./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc 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_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 190ae31efe96144321a53f6fa3a58be363d46a0faaff78a47cf06f9f2e955d78 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:14:08,806 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:14:08,861 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:14:08,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:14:08,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:14:08,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:14:08,889 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:14:08,889 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:14:08,890 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:14:08,890 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:14:08,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:14:08,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:14:08,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:14:08,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:14:08,891 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:14:08,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:14:08,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:14:08,892 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:14:08,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:14:08,892 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:14:08,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:14:08,892 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:14:08,893 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:14:08,893 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:14:08,893 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:14:08,893 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:14:08,893 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:14:08,893 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:14:08,893 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:14:08,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:14:08,894 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:14:08,894 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:14:08,894 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:14:08,894 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:14:08,894 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:14:08,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:14:08,894 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:14:08,895 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:14:08,895 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:14:08,895 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:14:08,895 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 -> 190ae31efe96144321a53f6fa3a58be363d46a0faaff78a47cf06f9f2e955d78 [2025-02-06 05:14:09,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:14:09,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:14:09,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:14:09,166 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:14:09,166 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:14:09,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness_negated.i [2025-02-06 05:14:10,366 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/487ccb97d/a620ca5470ef40bdb4c4a7becf6979da/FLAG327b1bdc5 [2025-02-06 05:14:10,867 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:14:10,868 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness_negated.i [2025-02-06 05:14:10,903 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/487ccb97d/a620ca5470ef40bdb4c4a7becf6979da/FLAG327b1bdc5 [2025-02-06 05:14:10,923 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/487ccb97d/a620ca5470ef40bdb4c4a7becf6979da [2025-02-06 05:14:10,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:14:10,926 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:14:10,928 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:14:10,928 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:14:10,931 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:14:10,932 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:14:10" (1/1) ... [2025-02-06 05:14:10,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@575bf6ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:10, skipping insertion in model container [2025-02-06 05:14:10,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:14:10" (1/1) ... [2025-02-06 05:14:11,007 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:14:11,207 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_negated.i[4495,4508] [2025-02-06 05:14:11,214 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_negated.i[4555,4568] [2025-02-06 05:14:11,862 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:11,862 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:11,863 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:11,863 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:11,864 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:11,872 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:11,872 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:11,874 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:11,874 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:11,875 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:11,876 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:11,876 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:11,877 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,553 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,554 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,582 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,583 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,592 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,595 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,610 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,613 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,613 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,613 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,613 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,613 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,614 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,686 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_negated.i[230039,230052] [2025-02-06 05:14:12,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:14:12,716 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:14:12,730 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_negated.i[4495,4508] [2025-02-06 05:14:12,731 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_negated.i[4555,4568] [2025-02-06 05:14:12,769 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,770 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,770 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,770 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,771 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,775 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,776 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,776 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,776 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,777 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,777 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,777 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,777 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7544-7555] [2025-02-06 05:14:12,863 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,864 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,868 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,869 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,870 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,871 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,876 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,876 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,876 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,877 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,877 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,877 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,877 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:14:12,890 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_negated.i[230039,230052] [2025-02-06 05:14:12,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:14:13,063 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:14:13,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:13 WrapperNode [2025-02-06 05:14:13,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:14:13,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:14:13,065 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:14:13,065 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:14:13,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:13" (1/1) ... [2025-02-06 05:14:13,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:13" (1/1) ... [2025-02-06 05:14:13,176 INFO L138 Inliner]: procedures = 764, calls = 2494, calls flagged for inlining = 70, calls inlined = 19, statements flattened = 1091 [2025-02-06 05:14:13,177 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:14:13,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:14:13,178 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:14:13,178 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:14:13,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:13" (1/1) ... [2025-02-06 05:14:13,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:13" (1/1) ... [2025-02-06 05:14:13,191 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:13" (1/1) ... [2025-02-06 05:14:13,267 INFO L175 MemorySlicer]: Split 368 memory accesses to 12 slices as follows [15, 2, 2, 1, 2, 14, 3, 4, 3, 7, 72, 243]. 66 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [0, 2, 0, 0, 0, 10, 0, 0, 0, 0, 0, 11]. The 256 writes are split as follows [1, 0, 1, 1, 1, 0, 2, 2, 3, 3, 10, 232]. [2025-02-06 05:14:13,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:13" (1/1) ... [2025-02-06 05:14:13,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:13" (1/1) ... [2025-02-06 05:14:13,304 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:13" (1/1) ... [2025-02-06 05:14:13,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:13" (1/1) ... [2025-02-06 05:14:13,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:13" (1/1) ... [2025-02-06 05:14:13,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:13" (1/1) ... [2025-02-06 05:14:13,325 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:14:13,326 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:14:13,326 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:14:13,326 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:14:13,327 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:13" (1/1) ... [2025-02-06 05:14:13,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:14:13,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:14:13,363 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) [2025-02-06 05:14:13,369 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 [2025-02-06 05:14:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-06 05:14:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-06 05:14:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-06 05:14:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-06 05:14:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-06 05:14:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-06 05:14:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-06 05:14:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-06 05:14:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-02-06 05:14:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-02-06 05:14:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-02-06 05:14:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2025-02-06 05:14:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-02-06 05:14:13,387 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-02-06 05:14:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-02-06 05:14:13,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:14:13,388 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-06 05:14:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-06 05:14:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-06 05:14:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-06 05:14:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-02-06 05:14:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 05:14:13,389 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 05:14:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:14:13,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:14:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-02-06 05:14:13,389 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-02-06 05:14:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:14:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:14:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-02-06 05:14:13,389 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-02-06 05:14:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:14:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:14:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:14:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:14:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:14:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:14:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 05:14:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-06 05:14:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-02-06 05:14:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-02-06 05:14:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-02-06 05:14:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-02-06 05:14:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-02-06 05:14:13,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-02-06 05:14:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-02-06 05:14:13,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-02-06 05:14:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-02-06 05:14:13,389 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-02-06 05:14:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:14:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:14:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:14:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:14:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-06 05:14:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-06 05:14:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:14:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:14:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:14:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:14:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:14:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-02-06 05:14:13,394 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:14:13,394 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-06 05:14:13,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-02-06 05:14:13,394 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:14:13,394 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:14:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-06 05:14:13,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-06 05:14:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-06 05:14:13,395 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-06 05:14:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:14:13,395 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:14:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2025-02-06 05:14:13,395 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2025-02-06 05:14:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:14:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:14:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:14:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:14:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:14:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:14:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 05:14:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-06 05:14:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-06 05:14:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-06 05:14:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-06 05:14:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-02-06 05:14:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-02-06 05:14:13,395 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-02-06 05:14:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-02-06 05:14:13,395 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-02-06 05:14:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-02-06 05:14:13,395 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-02-06 05:14:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2025-02-06 05:14:13,395 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2025-02-06 05:14:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-06 05:14:13,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-06 05:14:13,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:14:13,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:14:13,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:14:13,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:14:13,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:14:13,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:14:13,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 05:14:13,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-06 05:14:13,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-06 05:14:13,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-06 05:14:13,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-06 05:14:13,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-02-06 05:14:13,397 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-02-06 05:14:13,397 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-02-06 05:14:13,717 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:14:13,719 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:14:13,754 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-02-06 05:14:13,788 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9122-1: assume false; [2025-02-06 05:14:13,789 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9122-1: assume !false; [2025-02-06 05:14:13,807 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-06 05:14:13,808 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:14:13,907 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9311: havoc #t~ret1203#1; [2025-02-06 05:14:14,001 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9128-1: assume false; [2025-02-06 05:14:14,002 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9128-1: assume !false; [2025-02-06 05:14:14,002 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9624-1: assume false; [2025-02-06 05:14:14,002 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9624-1: assume !false; [2025-02-06 05:14:14,015 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9083-1: assume false; [2025-02-06 05:14:14,015 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9083-1: assume !false; [2025-02-06 05:14:14,016 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7341: havoc uninterpreted_hasher_#t~ret689#1; [2025-02-06 05:14:14,051 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10087: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-02-06 05:14:14,058 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7374: havoc #t~ret690.base, #t~ret690.offset; [2025-02-06 05:14:14,076 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9974: havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~short1492;havoc #t~mem1493.base, #t~mem1493.offset;havoc #t~ret1494;havoc #t~short1495; [2025-02-06 05:14:14,078 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:14:14,092 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7328: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-02-06 05:14:14,092 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7271: havoc nondet_compare_#t~ret677#1; [2025-02-06 05:14:14,092 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-02-06 05:14:14,098 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9109: havoc #t~ret1142; [2025-02-06 05:14:14,112 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-02-06 05:14:14,127 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-06 05:14:19,239 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9658-1: assume false; [2025-02-06 05:14:19,240 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9658-1: assume !false; [2025-02-06 05:14:19,240 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9675-1: assume false; [2025-02-06 05:14:19,240 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9675-1: assume !false; [2025-02-06 05:14:19,240 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6821: 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; [2025-02-06 05:14:19,240 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6831: havoc hash_table_state_has_an_empty_slot_#t~mem571#1; [2025-02-06 05:14:19,334 INFO L? ?]: Removed 314 outVars from TransFormulas that were not future-live. [2025-02-06 05:14:19,334 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:14:19,350 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:14:19,351 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:14:19,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:14:19 BoogieIcfgContainer [2025-02-06 05:14:19,351 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:14:19,352 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:14:19,352 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:14:19,355 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:14:19,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:14:10" (1/3) ... [2025-02-06 05:14:19,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67283871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:14:19, skipping insertion in model container [2025-02-06 05:14:19,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:13" (2/3) ... [2025-02-06 05:14:19,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67283871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:14:19, skipping insertion in model container [2025-02-06 05:14:19,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:14:19" (3/3) ... [2025-02-06 05:14:19,357 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_remove_harness_negated.i [2025-02-06 05:14:19,366 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:14:19,367 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_remove_harness_negated.i that has 28 procedures, 342 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-02-06 05:14:19,410 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:14:19,418 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;@4ba256b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:14:19,418 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:14:19,425 INFO L276 IsEmpty]: Start isEmpty. Operand has 342 states, 226 states have (on average 1.2831858407079646) internal successors, (290), 227 states have internal predecessors, (290), 87 states have call successors, (87), 27 states have call predecessors, (87), 27 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2025-02-06 05:14:19,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2025-02-06 05:14:19,436 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:14:19,437 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] [2025-02-06 05:14:19,437 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:14:19,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:14:19,442 INFO L85 PathProgramCache]: Analyzing trace with hash 590616680, now seen corresponding path program 1 times [2025-02-06 05:14:19,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:14:19,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630631460] [2025-02-06 05:14:19,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:14:19,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:14:24,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-02-06 05:14:24,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-02-06 05:14:24,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:14:24,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:14:24,743 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2025-02-06 05:14:24,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:14:24,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630631460] [2025-02-06 05:14:24,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630631460] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:14:24,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308249002] [2025-02-06 05:14:24,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:14:24,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:14:24,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:14:24,747 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) [2025-02-06 05:14:24,749 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 [2025-02-06 05:14:28,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-02-06 05:14:29,380 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-02-06 05:14:29,381 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:14:29,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:14:29,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 4563 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 05:14:29,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:14:29,431 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2025-02-06 05:14:29,431 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:14:29,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308249002] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:14:29,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:14:29,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 05:14:29,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067267155] [2025-02-06 05:14:29,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:14:29,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 05:14:29,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:14:29,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 05:14:29,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 05:14:29,450 INFO L87 Difference]: Start difference. First operand has 342 states, 226 states have (on average 1.2831858407079646) internal successors, (290), 227 states have internal predecessors, (290), 87 states have call successors, (87), 27 states have call predecessors, (87), 27 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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) [2025-02-06 05:14:29,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:14:29,552 INFO L93 Difference]: Finished difference Result 678 states and 988 transitions. [2025-02-06 05:14:29,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 05:14:29,554 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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 182 [2025-02-06 05:14:29,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:14:29,560 INFO L225 Difference]: With dead ends: 678 [2025-02-06 05:14:29,560 INFO L226 Difference]: Without dead ends: 334 [2025-02-06 05:14:29,564 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 05:14:29,565 INFO L435 NwaCegarLoop]: 444 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 05:14:29,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 444 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 05:14:29,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2025-02-06 05:14:29,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 334. [2025-02-06 05:14:29,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 219 states have (on average 1.2283105022831051) internal successors, (269), 221 states have internal predecessors, (269), 87 states have call successors, (87), 27 states have call predecessors, (87), 27 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 05:14:29,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 441 transitions. [2025-02-06 05:14:29,613 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 441 transitions. Word has length 182 [2025-02-06 05:14:29,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:14:29,614 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 441 transitions. [2025-02-06 05:14:29,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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) [2025-02-06 05:14:29,614 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 441 transitions. [2025-02-06 05:14:29,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2025-02-06 05:14:29,616 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:14:29,616 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] [2025-02-06 05:14:29,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 05:14:29,817 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 [2025-02-06 05:14:29,817 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:14:29,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:14:29,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1666119189, now seen corresponding path program 1 times [2025-02-06 05:14:29,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:14:29,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626688176] [2025-02-06 05:14:29,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:14:29,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:14:33,585 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-02-06 05:14:33,699 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-02-06 05:14:33,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:14:33,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:14:34,767 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2025-02-06 05:14:34,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:14:34,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626688176] [2025-02-06 05:14:34,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626688176] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:14:34,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 05:14:34,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 05:14:34,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525070460] [2025-02-06 05:14:34,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:14:34,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 05:14:34,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:14:34,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 05:14:34,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 05:14:34,772 INFO L87 Difference]: Start difference. First operand 334 states and 441 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2025-02-06 05:14:35,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:14:35,235 INFO L93 Difference]: Finished difference Result 631 states and 837 transitions. [2025-02-06 05:14:35,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 05:14:35,236 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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 182 [2025-02-06 05:14:35,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:14:35,242 INFO L225 Difference]: With dead ends: 631 [2025-02-06 05:14:35,242 INFO L226 Difference]: Without dead ends: 339 [2025-02-06 05:14:35,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 05:14:35,247 INFO L435 NwaCegarLoop]: 432 mSDtfsCounter, 0 mSDsluCounter, 1292 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1724 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 05:14:35,247 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1724 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 05:14:35,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-02-06 05:14:35,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2025-02-06 05:14:35,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 223 states have (on average 1.2242152466367713) internal successors, (273), 225 states have internal predecessors, (273), 87 states have call successors, (87), 27 states have call predecessors, (87), 28 states have return successors, (86), 86 states have call predecessors, (86), 85 states have call successors, (86) [2025-02-06 05:14:35,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 446 transitions. [2025-02-06 05:14:35,279 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 446 transitions. Word has length 182 [2025-02-06 05:14:35,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:14:35,279 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 446 transitions. [2025-02-06 05:14:35,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2025-02-06 05:14:35,279 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 446 transitions. [2025-02-06 05:14:35,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2025-02-06 05:14:35,285 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:14:35,285 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] [2025-02-06 05:14:35,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 05:14:35,286 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:14:35,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:14:35,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1493454, now seen corresponding path program 1 times [2025-02-06 05:14:35,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:14:35,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121030965] [2025-02-06 05:14:35,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:14:35,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:14:38,894 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-02-06 05:14:38,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-02-06 05:14:38,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:14:38,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:14:42,350 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-02-06 05:14:42,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:14:42,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121030965] [2025-02-06 05:14:42,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121030965] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:14:42,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416686305] [2025-02-06 05:14:42,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:14:42,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:14:42,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:14:42,354 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) [2025-02-06 05:14:42,356 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 [2025-02-06 05:14:46,453 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-02-06 05:14:46,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-02-06 05:14:46,900 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:14:46,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:14:46,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 4567 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-02-06 05:14:46,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:14:47,506 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 [2025-02-06 05:14:49,129 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2025-02-06 05:14:49,131 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:14:49,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416686305] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:14:49,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:14:49,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 15 [2025-02-06 05:14:49,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59534257] [2025-02-06 05:14:49,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:14:49,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 05:14:49,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:14:49,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 05:14:49,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2025-02-06 05:14:49,136 INFO L87 Difference]: Start difference. First operand 339 states and 446 transitions. Second operand has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 9 states have internal predecessors, (79), 4 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2025-02-06 05:14:58,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:14:58,138 INFO L93 Difference]: Finished difference Result 648 states and 863 transitions. [2025-02-06 05:14:58,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 05:14:58,139 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 9 states have internal predecessors, (79), 4 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 188 [2025-02-06 05:14:58,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:14:58,143 INFO L225 Difference]: With dead ends: 648 [2025-02-06 05:14:58,143 INFO L226 Difference]: Without dead ends: 370 [2025-02-06 05:14:58,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2025-02-06 05:14:58,145 INFO L435 NwaCegarLoop]: 413 mSDtfsCounter, 404 mSDsluCounter, 1711 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 2124 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2025-02-06 05:14:58,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 2124 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2025-02-06 05:14:58,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2025-02-06 05:14:58,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 360. [2025-02-06 05:14:58,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 240 states have (on average 1.2208333333333334) internal successors, (293), 243 states have internal predecessors, (293), 87 states have call successors, (87), 30 states have call predecessors, (87), 32 states have return successors, (89), 86 states have call predecessors, (89), 85 states have call successors, (89) [2025-02-06 05:14:58,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 469 transitions. [2025-02-06 05:14:58,172 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 469 transitions. Word has length 188 [2025-02-06 05:14:58,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:14:58,172 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 469 transitions. [2025-02-06 05:14:58,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 9 states have internal predecessors, (79), 4 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2025-02-06 05:14:58,173 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 469 transitions. [2025-02-06 05:14:58,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2025-02-06 05:14:58,174 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:14:58,175 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 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] [2025-02-06 05:14:58,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-06 05:14:58,379 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 [2025-02-06 05:14:58,379 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:14:58,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:14:58,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1781936884, now seen corresponding path program 1 times [2025-02-06 05:14:58,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:14:58,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69952490] [2025-02-06 05:14:58,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:14:58,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:15:01,956 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-02-06 05:15:02,036 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-02-06 05:15:02,036 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:15:02,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:15:02,820 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-02-06 05:15:02,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:15:02,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69952490] [2025-02-06 05:15:02,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69952490] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:15:02,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212233413] [2025-02-06 05:15:02,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:15:02,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:15:02,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:15:02,824 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) [2025-02-06 05:15:02,826 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 [2025-02-06 05:15:07,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-02-06 05:15:07,923 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-02-06 05:15:07,923 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:15:07,923 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:15:07,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 4557 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 05:15:07,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:15:08,809 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2025-02-06 05:15:08,810 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:15:08,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212233413] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:15:08,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:15:08,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-02-06 05:15:08,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420696877] [2025-02-06 05:15:08,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:15:08,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 05:15:08,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:15:08,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 05:15:08,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-02-06 05:15:08,812 INFO L87 Difference]: Start difference. First operand 360 states and 469 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2025-02-06 05:15:10,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:15:10,812 INFO L93 Difference]: Finished difference Result 648 states and 861 transitions. [2025-02-06 05:15:10,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 05:15:10,813 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 188 [2025-02-06 05:15:10,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:15:10,816 INFO L225 Difference]: With dead ends: 648 [2025-02-06 05:15:10,820 INFO L226 Difference]: Without dead ends: 365 [2025-02-06 05:15:10,821 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2025-02-06 05:15:10,821 INFO L435 NwaCegarLoop]: 385 mSDtfsCounter, 456 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 1098 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-02-06 05:15:10,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 1098 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-02-06 05:15:10,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2025-02-06 05:15:10,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 362. [2025-02-06 05:15:10,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 241 states have (on average 1.2199170124481329) internal successors, (294), 244 states have internal predecessors, (294), 88 states have call successors, (88), 30 states have call predecessors, (88), 32 states have return successors, (90), 87 states have call predecessors, (90), 86 states have call successors, (90) [2025-02-06 05:15:10,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 472 transitions. [2025-02-06 05:15:10,851 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 472 transitions. Word has length 188 [2025-02-06 05:15:10,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:15:10,852 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 472 transitions. [2025-02-06 05:15:10,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2025-02-06 05:15:10,852 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 472 transitions. [2025-02-06 05:15:10,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2025-02-06 05:15:10,855 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:15:10,855 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-02-06 05:15:10,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 05:15:11,056 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 [2025-02-06 05:15:11,056 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:15:11,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:15:11,057 INFO L85 PathProgramCache]: Analyzing trace with hash -93620006, now seen corresponding path program 1 times [2025-02-06 05:15:11,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:15:11,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446074975] [2025-02-06 05:15:11,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:15:11,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:15:14,596 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 200 statements into 1 equivalence classes. [2025-02-06 05:15:14,672 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 200 of 200 statements. [2025-02-06 05:15:14,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:15:14,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:15:16,794 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2025-02-06 05:15:16,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:15:16,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446074975] [2025-02-06 05:15:16,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446074975] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:15:16,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262783767] [2025-02-06 05:15:16,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:15:16,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:15:16,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:15:16,798 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) [2025-02-06 05:15:16,799 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 [2025-02-06 05:15:21,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 200 statements into 1 equivalence classes. [2025-02-06 05:15:21,808 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 200 of 200 statements. [2025-02-06 05:15:21,808 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:15:21,808 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:15:21,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 4615 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-06 05:15:21,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:15:23,511 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 268 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2025-02-06 05:15:23,511 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:15:23,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262783767] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:15:23,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:15:23,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2025-02-06 05:15:23,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356232267] [2025-02-06 05:15:23,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:15:23,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 05:15:23,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:15:23,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 05:15:23,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2025-02-06 05:15:23,517 INFO L87 Difference]: Start difference. First operand 362 states and 472 transitions. Second operand has 10 states, 8 states have (on average 11.125) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-02-06 05:15:26,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:15:26,909 INFO L93 Difference]: Finished difference Result 631 states and 849 transitions. [2025-02-06 05:15:26,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 05:15:26,910 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 11.125) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 200 [2025-02-06 05:15:26,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:15:26,913 INFO L225 Difference]: With dead ends: 631 [2025-02-06 05:15:26,914 INFO L226 Difference]: Without dead ends: 374 [2025-02-06 05:15:26,915 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2025-02-06 05:15:26,917 INFO L435 NwaCegarLoop]: 406 mSDtfsCounter, 41 mSDsluCounter, 2767 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 3173 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2025-02-06 05:15:26,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 3173 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2025-02-06 05:15:26,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2025-02-06 05:15:26,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 368. [2025-02-06 05:15:26,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 245 states have (on average 1.2163265306122448) internal successors, (298), 249 states have internal predecessors, (298), 88 states have call successors, (88), 30 states have call predecessors, (88), 34 states have return successors, (104), 88 states have call predecessors, (104), 86 states have call successors, (104) [2025-02-06 05:15:26,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 490 transitions. [2025-02-06 05:15:26,938 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 490 transitions. Word has length 200 [2025-02-06 05:15:26,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:15:26,938 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 490 transitions. [2025-02-06 05:15:26,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 11.125) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-02-06 05:15:26,939 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 490 transitions. [2025-02-06 05:15:26,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2025-02-06 05:15:26,941 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:15:26,941 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:15:26,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-06 05:15:27,141 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 [2025-02-06 05:15:27,142 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:15:27,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:15:27,142 INFO L85 PathProgramCache]: Analyzing trace with hash 737834110, now seen corresponding path program 1 times [2025-02-06 05:15:27,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:15:27,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681000702] [2025-02-06 05:15:27,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:15:27,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:15:31,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 207 statements into 1 equivalence classes. [2025-02-06 05:15:31,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 207 of 207 statements. [2025-02-06 05:15:31,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:15:31,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:15:33,008 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2025-02-06 05:15:33,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:15:33,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681000702] [2025-02-06 05:15:33,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681000702] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:15:33,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563088140] [2025-02-06 05:15:33,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:15:33,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:15:33,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:15:33,014 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:15:33,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 05:15:37,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 207 statements into 1 equivalence classes. [2025-02-06 05:15:38,150 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 207 of 207 statements. [2025-02-06 05:15:38,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:15:38,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:15:38,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 4647 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-06 05:15:38,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:15:39,419 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2025-02-06 05:15:39,421 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:15:39,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563088140] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:15:39,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:15:39,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2025-02-06 05:15:39,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462571223] [2025-02-06 05:15:39,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:15:39,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 05:15:39,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:15:39,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 05:15:39,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2025-02-06 05:15:39,423 INFO L87 Difference]: Start difference. First operand 368 states and 490 transitions. Second operand has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (35), 2 states have call predecessors, (35), 5 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33)