./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_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_table_remove_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 a2f0a82a50bc275c6e2e2ec318329147ea6f6c7b468577c521e1ed81fea6d241 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:50:45,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:50:45,674 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:50:45,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:50:45,683 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:50:45,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:50:45,701 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:50:45,701 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:50:45,701 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:50:45,702 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:50:45,702 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:50:45,702 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:50:45,702 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:50:45,702 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:50:45,702 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:50:45,702 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:50:45,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:50:45,703 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:50:45,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:50:45,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:50:45,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:50:45,703 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:50:45,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:50:45,703 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:50:45,703 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:50:45,703 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:50:45,703 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:50:45,703 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:50:45,703 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:50:45,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:50:45,704 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:50:45,704 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:50:45,704 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:50:45,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:50:45,704 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:50:45,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:50:45,704 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:50:45,704 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:50:45,704 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:50:45,704 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:50:45,704 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 -> a2f0a82a50bc275c6e2e2ec318329147ea6f6c7b468577c521e1ed81fea6d241 [2025-02-08 01:50:45,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:50:45,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:50:45,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:50:45,935 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:50:45,935 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:50:45,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i [2025-02-08 01:50:47,088 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/27e5b2fa0/5554d79408e349f08c50e543e0429abc/FLAG9db2a5793 [2025-02-08 01:50:47,682 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:50:47,684 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i [2025-02-08 01:50:47,731 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/27e5b2fa0/5554d79408e349f08c50e543e0429abc/FLAG9db2a5793 [2025-02-08 01:50:48,178 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/27e5b2fa0/5554d79408e349f08c50e543e0429abc [2025-02-08 01:50:48,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:50:48,185 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:50:48,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:50:48,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:50:48,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:50:48,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:50:48" (1/1) ... [2025-02-08 01:50:48,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@627a6d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:48, skipping insertion in model container [2025-02-08 01:50:48,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:50:48" (1/1) ... [2025-02-08 01:50:48,294 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:50:48,564 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_table_remove_harness.i[4495,4508] [2025-02-08 01:50:48,575 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_table_remove_harness.i[4555,4568] [2025-02-08 01:50:49,377 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,378 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,378 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,379 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,379 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,388 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,389 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,390 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,391 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,391 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,391 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,917 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,919 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,942 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,943 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,949 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,950 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,963 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,964 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,964 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,965 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,965 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,965 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:49,965 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,027 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_table_remove_harness.i[229734,229747] [2025-02-08 01:50:50,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:50:50,046 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:50:50,055 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_table_remove_harness.i[4495,4508] [2025-02-08 01:50:50,055 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_table_remove_harness.i[4555,4568] [2025-02-08 01:50:50,078 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,079 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,079 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,079 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,079 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,083 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,083 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,084 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,084 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,084 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,085 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,085 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,085 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7576-7587] [2025-02-08 01:50:50,189 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,190 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,196 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,197 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,198 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,199 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,207 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,208 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,209 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,209 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,209 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,210 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,211 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:50:50,232 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_table_remove_harness.i[229734,229747] [2025-02-08 01:50:50,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:50:50,446 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:50:50,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:50 WrapperNode [2025-02-08 01:50:50,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:50:50,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:50:50,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:50:50,447 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:50:50,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:50" (1/1) ... [2025-02-08 01:50:50,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:50" (1/1) ... [2025-02-08 01:50:50,597 INFO L138 Inliner]: procedures = 764, calls = 2494, calls flagged for inlining = 70, calls inlined = 19, statements flattened = 1091 [2025-02-08 01:50:50,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:50:50,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:50:50,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:50:50,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:50:50,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:50" (1/1) ... [2025-02-08 01:50:50,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:50" (1/1) ... [2025-02-08 01:50:50,614 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:50" (1/1) ... [2025-02-08 01:50:50,715 INFO L175 MemorySlicer]: Split 368 memory accesses to 12 slices as follows [2, 72, 3, 2, 4, 243, 2, 7, 14, 3, 15, 1]. 66 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 0, 0, 0, 11, 0, 0, 10, 0, 0, 0]. The 256 writes are split as follows [0, 10, 3, 1, 2, 232, 1, 3, 0, 2, 1, 1]. [2025-02-08 01:50:50,715 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:50" (1/1) ... [2025-02-08 01:50:50,716 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:50" (1/1) ... [2025-02-08 01:50:50,769 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:50" (1/1) ... [2025-02-08 01:50:50,771 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:50" (1/1) ... [2025-02-08 01:50:50,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:50" (1/1) ... [2025-02-08 01:50:50,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:50" (1/1) ... [2025-02-08 01:50:50,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:50:50,807 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:50:50,808 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:50:50,808 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:50:50,809 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:50" (1/1) ... [2025-02-08 01:50:50,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:50:50,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:50:50,837 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 01:50:50,838 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 01:50:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-08 01:50:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-02-08 01:50:50,872 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-02-08 01:50:50,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:50:50,872 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2025-02-08 01:50:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:50:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:50:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:50:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:50:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:50:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:50:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:50:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-08 01:50:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-08 01:50:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-02-08 01:50:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-02-08 01:50:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-02-08 01:50:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:50:50,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:50:50,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:50:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:50:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:50:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:50:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:50:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-08 01:50:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-08 01:50:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-08 01:50:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-08 01:50:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-02-08 01:50:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:50:50,876 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:50:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:50:50,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:50:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-02-08 01:50:50,876 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-02-08 01:50:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:50:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:50:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-02-08 01:50:50,876 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-02-08 01:50:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:50:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:50:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:50:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:50:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:50:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-02-08 01:50:50,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-02-08 01:50:50,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-02-08 01:50:50,877 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:50:50,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:50:50,877 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-08 01:50:50,877 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-02-08 01:50:50,877 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:50:50,877 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-08 01:50:50,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-08 01:50:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-02-08 01:50:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-02-08 01:50:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-02-08 01:50:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-02-08 01:50:50,878 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-02-08 01:50:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:50:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:50:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:50:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-08 01:50:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-08 01:50:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:50:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2025-02-08 01:50:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-02-08 01:50:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-02-08 01:50:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-02-08 01:50:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-02-08 01:50:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-02-08 01:50:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-02-08 01:50:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-02-08 01:50:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2025-02-08 01:50:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2025-02-08 01:50:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-08 01:50:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-08 01:50:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:50:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:50:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:50:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:50:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:50:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:50:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:50:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-08 01:50:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-08 01:50:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-08 01:50:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-08 01:50:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-02-08 01:50:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-02-08 01:50:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-02-08 01:50:51,248 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:50:51,250 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:50:51,294 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: havoc #t~malloc588.base, #t~malloc588.offset; [2025-02-08 01:50:51,320 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9154-1: assume false; [2025-02-08 01:50:51,320 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9154-1: assume !false; [2025-02-08 01:50:51,341 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-08 01:50:51,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:50:51,428 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9345: havoc #t~ret1203#1; [2025-02-08 01:50:51,499 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9658-1: assume false; [2025-02-08 01:50:51,499 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9658-1: assume !false; [2025-02-08 01:50:51,499 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9160-1: assume false; [2025-02-08 01:50:51,499 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9160-1: assume !false; [2025-02-08 01:50:51,513 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9115-1: assume false; [2025-02-08 01:50:51,513 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9115-1: assume !false; [2025-02-08 01:50:51,513 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7373: havoc uninterpreted_hasher_#t~ret689#1; [2025-02-08 01:50:51,569 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L10121: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-02-08 01:50:51,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7406: havoc #t~ret690.base, #t~ret690.offset; [2025-02-08 01:50:51,607 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L10008: havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~short1492;havoc #t~mem1493.base, #t~mem1493.offset;havoc #t~ret1494;havoc #t~short1495; [2025-02-08 01:50:51,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:50:51,630 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1: #res#1 := #t~funptrres1581#1;havoc #t~funptrres1581#1;havoc #t~ret1582#1;havoc #t~ret1583#1; [2025-02-08 01:50:51,631 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7356: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1;#t~ret1583#1 := uninterpreted_equals_assert_inputs_nonnull_#res#1;havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1, uninterpreted_equals_assert_inputs_nonnull_~a#1.base, uninterpreted_equals_assert_inputs_nonnull_~a#1.offset, uninterpreted_equals_assert_inputs_nonnull_~b#1.base, uninterpreted_equals_assert_inputs_nonnull_~b#1.offset;havoc uninterpreted_equals_assert_inputs_nonnull_#in~a#1.base, uninterpreted_equals_assert_inputs_nonnull_#in~a#1.offset, uninterpreted_equals_assert_inputs_nonnull_#in~b#1.base, uninterpreted_equals_assert_inputs_nonnull_#in~b#1.offset;assume { :end_inline_uninterpreted_equals_assert_inputs_nonnull } true;#t~funptrres1581#1 := #t~ret1583#1; [2025-02-08 01:50:51,631 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7287: havoc nondet_compare_#t~ret677#1;#t~ret1582#1 := nondet_compare_#res#1;havoc nondet_compare_#t~ret677#1, nondet_compare_~a#1.base, nondet_compare_~a#1.offset, nondet_compare_~b#1.base, nondet_compare_~b#1.offset;havoc nondet_compare_#in~a#1.base, nondet_compare_#in~a#1.offset, nondet_compare_#in~b#1.base, nondet_compare_#in~b#1.offset;assume { :end_inline_nondet_compare } true;assume -2147483648 <= #t~ret1582#1 && #t~ret1582#1 <= 2147483647;#t~funptrres1581#1 := #t~ret1582#1; [2025-02-08 01:50:51,631 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ##fun~$Pointer$~X~$Pointer$~TO~intFINAL: assume true; [2025-02-08 01:50:51,631 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1;nondet_compare_#t~ret677#1 := nondet_int_#res#1;havoc nondet_int_#t~nondet5#1;assume { :end_inline_nondet_int } true;assume -2147483648 <= nondet_compare_#t~ret677#1 && nondet_compare_#t~ret677#1 <= 2147483647;nondet_compare_#res#1 := nondet_compare_#t~ret677#1;havoc nondet_compare_#t~ret677#1; [2025-02-08 01:50:51,641 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9141: havoc #t~ret1142; [2025-02-08 01:50:51,661 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-02-08 01:50:51,673 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-08 01:50:56,779 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6833: havoc aws_hash_table_has_an_empty_slot_#t~mem566#1.base, aws_hash_table_has_an_empty_slot_#t~mem566#1.offset;havoc aws_hash_table_has_an_empty_slot_#t~ret567#1; [2025-02-08 01:50:56,779 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9692-1: assume false; [2025-02-08 01:50:56,779 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9692-1: assume !false; [2025-02-08 01:50:56,779 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6843: havoc hash_table_state_has_an_empty_slot_#t~mem571#1; [2025-02-08 01:50:56,779 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9709-1: assume false; [2025-02-08 01:50:56,779 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9709-1: assume !false; [2025-02-08 01:50:56,903 INFO L? ?]: Removed 296 outVars from TransFormulas that were not future-live. [2025-02-08 01:50:56,903 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:50:56,919 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:50:56,920 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:50:56,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:50:56 BoogieIcfgContainer [2025-02-08 01:50:56,920 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:50:56,922 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:50:56,922 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:50:56,925 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:50:56,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:50:48" (1/3) ... [2025-02-08 01:50:56,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4821e205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:50:56, skipping insertion in model container [2025-02-08 01:50:56,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:50:50" (2/3) ... [2025-02-08 01:50:56,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4821e205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:50:56, skipping insertion in model container [2025-02-08 01:50:56,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:50:56" (3/3) ... [2025-02-08 01:50:56,926 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_remove_harness.i [2025-02-08 01:50:56,936 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:50:56,940 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_remove_harness.i that has 28 procedures, 331 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-02-08 01:50:56,997 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:50:57,008 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;@10ebe43d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:50:57,009 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:50:57,012 INFO L276 IsEmpty]: Start isEmpty. Operand has 330 states, 209 states have (on average 1.30622009569378) internal successors, (273), 215 states have internal predecessors, (273), 87 states have call successors, (87), 27 states have call predecessors, (87), 26 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2025-02-08 01:50:57,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-02-08 01:50:57,022 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:50:57,024 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:50:57,024 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:50:57,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:50:57,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1034488189, now seen corresponding path program 1 times [2025-02-08 01:50:57,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:50:57,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010967638] [2025-02-08 01:50:57,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:50:57,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:51:01,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-08 01:51:01,854 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-08 01:51:01,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:51:01,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:51:02,417 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2025-02-08 01:51:02,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:51:02,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010967638] [2025-02-08 01:51:02,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010967638] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:51:02,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646138982] [2025-02-08 01:51:02,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:51:02,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:51:02,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:51:02,421 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 01:51:02,423 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 01:51:06,810 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-08 01:51:07,366 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-08 01:51:07,366 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:51:07,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:51:07,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 4557 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 01:51:07,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:51:07,439 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2025-02-08 01:51:07,441 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:51:07,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646138982] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:51:07,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:51:07,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 01:51:07,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597073246] [2025-02-08 01:51:07,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:51:07,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 01:51:07,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:51:07,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 01:51:07,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:51:07,484 INFO L87 Difference]: Start difference. First operand has 330 states, 209 states have (on average 1.30622009569378) internal successors, (273), 215 states have internal predecessors, (273), 87 states have call successors, (87), 27 states have call predecessors, (87), 26 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-02-08 01:51:07,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:51:07,598 INFO L93 Difference]: Finished difference Result 594 states and 848 transitions. [2025-02-08 01:51:07,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 01:51:07,600 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 178 [2025-02-08 01:51:07,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:51:07,606 INFO L225 Difference]: With dead ends: 594 [2025-02-08 01:51:07,606 INFO L226 Difference]: Without dead ends: 233 [2025-02-08 01:51:07,612 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 179 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 01:51:07,614 INFO L435 NwaCegarLoop]: 345 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 01:51:07,614 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 345 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 01:51:07,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2025-02-08 01:51:07,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2025-02-08 01:51:07,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 149 states have (on average 1.2416107382550337) internal successors, (185), 153 states have internal predecessors, (185), 63 states have call successors, (63), 22 states have call predecessors, (63), 20 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2025-02-08 01:51:07,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 305 transitions. [2025-02-08 01:51:07,654 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 305 transitions. Word has length 178 [2025-02-08 01:51:07,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:51:07,655 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 305 transitions. [2025-02-08 01:51:07,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-02-08 01:51:07,655 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 305 transitions. [2025-02-08 01:51:07,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-02-08 01:51:07,659 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:51:07,660 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:51:07,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-08 01:51:07,861 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 01:51:07,861 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:51:07,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:51:07,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1053101730, now seen corresponding path program 1 times [2025-02-08 01:51:07,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:51:07,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882210849] [2025-02-08 01:51:07,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:51:07,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:51:11,499 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-08 01:51:11,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-08 01:51:11,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:51:11,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:51:12,575 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2025-02-08 01:51:12,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:51:12,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882210849] [2025-02-08 01:51:12,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882210849] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:51:12,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 01:51:12,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 01:51:12,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612388813] [2025-02-08 01:51:12,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:51:12,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 01:51:12,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:51:12,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 01:51:12,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 01:51:12,579 INFO L87 Difference]: Start difference. First operand 233 states and 305 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2025-02-08 01:51:12,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:51:12,827 INFO L93 Difference]: Finished difference Result 435 states and 573 transitions. [2025-02-08 01:51:12,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 01:51:12,828 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 178 [2025-02-08 01:51:12,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:51:12,833 INFO L225 Difference]: With dead ends: 435 [2025-02-08 01:51:12,833 INFO L226 Difference]: Without dead ends: 233 [2025-02-08 01:51:12,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 01:51:12,835 INFO L435 NwaCegarLoop]: 298 mSDtfsCounter, 0 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 01:51:12,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 891 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 01:51:12,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2025-02-08 01:51:12,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2025-02-08 01:51:12,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 149 states have (on average 1.2348993288590604) internal successors, (184), 153 states have internal predecessors, (184), 63 states have call successors, (63), 22 states have call predecessors, (63), 20 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2025-02-08 01:51:12,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 304 transitions. [2025-02-08 01:51:12,869 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 304 transitions. Word has length 178 [2025-02-08 01:51:12,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:51:12,871 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 304 transitions. [2025-02-08 01:51:12,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2025-02-08 01:51:12,871 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 304 transitions. [2025-02-08 01:51:12,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2025-02-08 01:51:12,875 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:51:12,876 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:51:12,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 01:51:12,876 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:51:12,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:51:12,876 INFO L85 PathProgramCache]: Analyzing trace with hash 697285638, now seen corresponding path program 1 times [2025-02-08 01:51:12,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:51:12,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393029125] [2025-02-08 01:51:12,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:51:12,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:51:16,654 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-02-08 01:51:16,765 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-02-08 01:51:16,766 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:51:16,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:51:20,626 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-02-08 01:51:20,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:51:20,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393029125] [2025-02-08 01:51:20,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393029125] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:51:20,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548869425] [2025-02-08 01:51:20,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:51:20,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:51:20,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:51:20,629 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 01:51:20,630 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 01:51:24,944 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-02-08 01:51:25,480 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-02-08 01:51:25,480 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:51:25,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:51:25,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 4651 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-02-08 01:51:25,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:51:27,219 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2025-02-08 01:51:27,219 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 01:51:29,790 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2025-02-08 01:51:29,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548869425] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-08 01:51:29,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-02-08 01:51:29,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 8] total 18 [2025-02-08 01:51:29,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119363822] [2025-02-08 01:51:29,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:51:29,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 01:51:29,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:51:29,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 01:51:29,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2025-02-08 01:51:29,792 INFO L87 Difference]: Start difference. First operand 233 states and 304 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2025-02-08 01:51:30,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:51:30,443 INFO L93 Difference]: Finished difference Result 239 states and 309 transitions. [2025-02-08 01:51:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 01:51:30,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 189 [2025-02-08 01:51:30,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:51:30,447 INFO L225 Difference]: With dead ends: 239 [2025-02-08 01:51:30,447 INFO L226 Difference]: Without dead ends: 237 [2025-02-08 01:51:30,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2025-02-08 01:51:30,450 INFO L435 NwaCegarLoop]: 297 mSDtfsCounter, 4 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 01:51:30,450 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1175 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 01:51:30,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2025-02-08 01:51:30,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2025-02-08 01:51:30,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 152 states have (on average 1.230263157894737) internal successors, (187), 156 states have internal predecessors, (187), 63 states have call successors, (63), 23 states have call predecessors, (63), 21 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2025-02-08 01:51:30,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 307 transitions. [2025-02-08 01:51:30,466 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 307 transitions. Word has length 189 [2025-02-08 01:51:30,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:51:30,466 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 307 transitions. [2025-02-08 01:51:30,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2025-02-08 01:51:30,467 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 307 transitions. [2025-02-08 01:51:30,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-02-08 01:51:30,469 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:51:30,469 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:51:30,486 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 01:51:30,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:51:30,670 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:51:30,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:51:30,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1840905917, now seen corresponding path program 1 times [2025-02-08 01:51:30,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:51:30,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821582626] [2025-02-08 01:51:30,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:51:30,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:51:34,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-02-08 01:51:34,679 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-02-08 01:51:34,679 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:51:34,679 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:51:38,208 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-02-08 01:51:38,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:51:38,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821582626] [2025-02-08 01:51:38,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821582626] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:51:38,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375047714] [2025-02-08 01:51:38,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:51:38,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:51:38,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:51:38,211 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 01:51:38,213 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 01:51:42,649 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-02-08 01:51:43,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-02-08 01:51:43,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:51:43,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:51:43,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 4686 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-02-08 01:51:43,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:51:43,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-02-08 01:51:45,448 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2025-02-08 01:51:45,449 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:51:45,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375047714] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:51:45,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:51:45,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 15 [2025-02-08 01:51:45,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045898455] [2025-02-08 01:51:45,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:51:45,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 01:51:45,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:51:45,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 01:51:45,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2025-02-08 01:51:45,455 INFO L87 Difference]: Start difference. First operand 237 states and 307 transitions. Second operand has 11 states, 10 states have (on average 8.6) internal successors, (86), 9 states have internal predecessors, (86), 4 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2025-02-08 01:51:49,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 01:51:54,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.50s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 01:52:03,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:52:03,005 INFO L93 Difference]: Finished difference Result 454 states and 592 transitions. [2025-02-08 01:52:03,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 01:52:03,006 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.6) internal successors, (86), 9 states have internal predecessors, (86), 4 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) Word has length 202 [2025-02-08 01:52:03,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:52:03,013 INFO L225 Difference]: With dead ends: 454 [2025-02-08 01:52:03,013 INFO L226 Difference]: Without dead ends: 261 [2025-02-08 01:52:03,014 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2025-02-08 01:52:03,017 INFO L435 NwaCegarLoop]: 280 mSDtfsCounter, 219 mSDsluCounter, 1271 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 24 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 1551 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2025-02-08 01:52:03,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 1551 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 552 Invalid, 2 Unknown, 0 Unchecked, 16.8s Time] [2025-02-08 01:52:03,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2025-02-08 01:52:03,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 258. [2025-02-08 01:52:03,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 169 states have (on average 1.2248520710059172) internal successors, (207), 174 states have internal predecessors, (207), 63 states have call successors, (63), 26 states have call predecessors, (63), 25 states have return successors, (59), 57 states have call predecessors, (59), 57 states have call successors, (59) [2025-02-08 01:52:03,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 329 transitions. [2025-02-08 01:52:03,050 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 329 transitions. Word has length 202 [2025-02-08 01:52:03,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:52:03,050 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 329 transitions. [2025-02-08 01:52:03,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.6) internal successors, (86), 9 states have internal predecessors, (86), 4 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2025-02-08 01:52:03,050 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 329 transitions. [2025-02-08 01:52:03,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-02-08 01:52:03,056 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:52:03,056 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:52:03,094 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 01:52:03,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:52:03,258 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:52:03,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:52:03,258 INFO L85 PathProgramCache]: Analyzing trace with hash 2142759039, now seen corresponding path program 1 times [2025-02-08 01:52:03,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:52:03,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820306592] [2025-02-08 01:52:03,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:52:03,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:52:06,861 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-02-08 01:52:06,981 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-02-08 01:52:06,982 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:52:06,982 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:52:08,224 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-02-08 01:52:08,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:52:08,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820306592] [2025-02-08 01:52:08,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820306592] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:52:08,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797601023] [2025-02-08 01:52:08,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:52:08,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:52:08,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:52:08,228 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 01:52:08,229 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 01:52:13,105 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-02-08 01:52:13,619 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-02-08 01:52:13,619 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:52:13,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:52:13,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 4676 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 01:52:13,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:52:14,584 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2025-02-08 01:52:14,584 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:52:14,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797601023] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:52:14,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:52:14,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-02-08 01:52:14,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860782399] [2025-02-08 01:52:14,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:52:14,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 01:52:14,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:52:14,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 01:52:14,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-02-08 01:52:14,588 INFO L87 Difference]: Start difference. First operand 258 states and 329 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2025-02-08 01:52:15,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:52:15,145 INFO L93 Difference]: Finished difference Result 461 states and 600 transitions. [2025-02-08 01:52:15,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 01:52:15,146 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 202 [2025-02-08 01:52:15,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:52:15,148 INFO L225 Difference]: With dead ends: 461 [2025-02-08 01:52:15,148 INFO L226 Difference]: Without dead ends: 263 [2025-02-08 01:52:15,149 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-02-08 01:52:15,149 INFO L435 NwaCegarLoop]: 300 mSDtfsCounter, 36 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 01:52:15,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 825 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 01:52:15,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2025-02-08 01:52:15,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 260. [2025-02-08 01:52:15,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 170 states have (on average 1.223529411764706) internal successors, (208), 175 states have internal predecessors, (208), 64 states have call successors, (64), 26 states have call predecessors, (64), 25 states have return successors, (60), 58 states have call predecessors, (60), 58 states have call successors, (60) [2025-02-08 01:52:15,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 332 transitions. [2025-02-08 01:52:15,161 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 332 transitions. Word has length 202 [2025-02-08 01:52:15,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:52:15,162 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 332 transitions. [2025-02-08 01:52:15,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2025-02-08 01:52:15,162 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 332 transitions. [2025-02-08 01:52:15,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2025-02-08 01:52:15,163 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:52:15,164 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:52:15,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 01:52:15,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:52:15,365 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:52:15,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:52:15,365 INFO L85 PathProgramCache]: Analyzing trace with hash 85131411, now seen corresponding path program 1 times [2025-02-08 01:52:15,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:52:15,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302342143] [2025-02-08 01:52:15,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:52:15,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms