./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7d15a327968a132f18d81dba73a48626f64398081f4d06a91fc3a4f7ce91dc5c --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:18:09,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:18:09,709 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:18:09,713 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:18:09,714 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:18:09,743 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:18:09,744 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:18:09,744 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:18:09,745 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:18:09,745 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:18:09,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:18:09,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:18:09,746 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:18:09,746 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:18:09,747 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:18:09,747 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:18:09,747 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:18:09,747 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:18:09,748 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:18:09,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:18:09,748 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:18:09,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:18:09,748 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:18:09,748 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:18:09,748 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:18:09,748 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:18:09,748 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:18:09,748 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:18:09,749 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:18:09,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:18:09,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:18:09,749 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:18:09,749 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:18:09,749 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:18:09,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:18:09,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:18:09,749 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:18:09,750 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:18:09,750 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:18:09,750 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:18:09,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:18:09,750 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:18:09,750 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:18:09,750 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:18:09,750 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:18:09,751 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 -> 7d15a327968a132f18d81dba73a48626f64398081f4d06a91fc3a4f7ce91dc5c [2025-01-09 17:18:10,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:18:10,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:18:10,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:18:10,069 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:18:10,070 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:18:10,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i [2025-01-09 17:18:11,405 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c85d0ebb0/ba14109f03ed45d2b59b8d5b25728fd6/FLAG93a1a6070 [2025-01-09 17:18:11,958 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:18:11,958 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i [2025-01-09 17:18:11,995 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c85d0ebb0/ba14109f03ed45d2b59b8d5b25728fd6/FLAG93a1a6070 [2025-01-09 17:18:12,011 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c85d0ebb0/ba14109f03ed45d2b59b8d5b25728fd6 [2025-01-09 17:18:12,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:18:12,014 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:18:12,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:18:12,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:18:12,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:18:12,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:18:12" (1/1) ... [2025-01-09 17:18:12,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e61b2f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:12, skipping insertion in model container [2025-01-09 17:18:12,023 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:18:12" (1/1) ... [2025-01-09 17:18:12,108 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:18:12,458 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_get_entry_count_harness.i[4504,4517] [2025-01-09 17:18:12,470 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_get_entry_count_harness.i[4564,4577] [2025-01-09 17:18:13,290 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:13,291 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:13,291 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:13,292 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:13,293 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:13,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:13,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:13,314 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:13,315 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:13,316 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:13,317 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:13,317 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:13,317 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,076 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,076 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,115 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,116 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,122 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,124 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,146 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,147 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,147 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,148 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,148 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,149 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,149 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,225 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_get_entry_count_harness.i[227690,227703] [2025-01-09 17:18:14,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:18:14,255 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:18:14,272 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_get_entry_count_harness.i[4504,4517] [2025-01-09 17:18:14,272 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_get_entry_count_harness.i[4564,4577] [2025-01-09 17:18:14,316 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,316 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,316 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,317 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,317 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,328 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,328 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,329 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,329 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,330 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,330 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,330 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,333 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,410 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2025-01-09 17:18:14,476 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,476 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,483 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,484 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,486 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,486 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,493 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,493 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,494 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,494 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,494 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,494 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,495 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:14,512 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_get_entry_count_harness.i[227690,227703] [2025-01-09 17:18:14,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:18:14,767 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:18:14,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:14 WrapperNode [2025-01-09 17:18:14,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:18:14,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:18:14,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:18:14,770 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:18:14,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:14" (1/1) ... [2025-01-09 17:18:14,874 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:14" (1/1) ... [2025-01-09 17:18:14,935 INFO L138 Inliner]: procedures = 763, calls = 2428, calls flagged for inlining = 69, calls inlined = 11, statements flattened = 607 [2025-01-09 17:18:14,936 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:18:14,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:18:14,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:18:14,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:18:14,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:14" (1/1) ... [2025-01-09 17:18:14,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:14" (1/1) ... [2025-01-09 17:18:14,953 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:14" (1/1) ... [2025-01-09 17:18:15,033 INFO L175 MemorySlicer]: Split 282 memory accesses to 8 slices as follows [3, 238, 2, 2, 6, 7, 19, 5]. 84 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [0, 6, 2, 0, 0, 0, 0, 5]. The 238 writes are split as follows [1, 232, 0, 1, 2, 1, 1, 0]. [2025-01-09 17:18:15,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:14" (1/1) ... [2025-01-09 17:18:15,033 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:14" (1/1) ... [2025-01-09 17:18:15,071 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:14" (1/1) ... [2025-01-09 17:18:15,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:14" (1/1) ... [2025-01-09 17:18:15,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:14" (1/1) ... [2025-01-09 17:18:15,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:14" (1/1) ... [2025-01-09 17:18:15,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:14" (1/1) ... [2025-01-09 17:18:15,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:18:15,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:18:15,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:18:15,122 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:18:15,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:14" (1/1) ... [2025-01-09 17:18:15,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:18:15,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:18:15,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 17:18:15,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 17:18:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-01-09 17:18:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-01-09 17:18:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-01-09 17:18:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-01-09 17:18:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-01-09 17:18:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-01-09 17:18:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-01-09 17:18:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-01-09 17:18:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:18:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_get_entry_count [2025-01-09 17:18:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_get_entry_count [2025-01-09 17:18:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:18:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:18:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:18:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:18:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:18:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:18:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:18:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 17:18:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:18:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:18:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:18:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:18:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:18:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:18:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:18:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 17:18:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:18:15,183 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:18:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:18:15,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:18:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-01-09 17:18:15,183 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-01-09 17:18:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:18:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:18:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-01-09 17:18:15,183 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-01-09 17:18:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:18:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:18:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:18:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:18:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:18:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:18:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-01-09 17:18:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:18:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-01-09 17:18:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:18:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 17:18:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-01-09 17:18:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-01-09 17:18:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:18:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:18:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:18:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:18:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:18:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:18:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:18:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 17:18:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-01-09 17:18:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-01-09 17:18:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-01-09 17:18:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-01-09 17:18:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:18:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:18:15,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:18:15,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:18:15,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:18:15,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:18:15,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:18:15,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:18:15,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:18:15,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 17:18:15,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:18:15,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:18:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:18:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:18:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:18:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:18:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:18:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 17:18:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-01-09 17:18:15,190 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-01-09 17:18:15,542 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:18:15,544 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:18:21,306 INFO L? ?]: Removed 124 outVars from TransFormulas that were not future-live. [2025-01-09 17:18:21,307 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:18:21,324 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:18:21,326 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:18:21,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:18:21 BoogieIcfgContainer [2025-01-09 17:18:21,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:18:21,330 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:18:21,331 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:18:21,335 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:18:21,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:18:12" (1/3) ... [2025-01-09 17:18:21,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42689eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:18:21, skipping insertion in model container [2025-01-09 17:18:21,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:14" (2/3) ... [2025-01-09 17:18:21,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42689eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:18:21, skipping insertion in model container [2025-01-09 17:18:21,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:18:21" (3/3) ... [2025-01-09 17:18:21,340 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_get_entry_count_harness.i [2025-01-09 17:18:21,358 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:18:21,362 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_get_entry_count_harness.i that has 15 procedures, 121 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 17:18:21,424 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:18:21,436 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;@2e2b5808, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:18:21,437 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:18:21,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 79 states have (on average 1.1772151898734178) internal successors, (93), 80 states have internal predecessors, (93), 26 states have call successors, (26), 14 states have call predecessors, (26), 14 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-09 17:18:21,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-01-09 17:18:21,453 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:18:21,454 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:18:21,455 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:18:21,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:18:21,461 INFO L85 PathProgramCache]: Analyzing trace with hash 931165113, now seen corresponding path program 1 times [2025-01-09 17:18:21,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:18:21,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343138705] [2025-01-09 17:18:21,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:21,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:18:26,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-01-09 17:18:27,204 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-01-09 17:18:27,205 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:27,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:29,288 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-01-09 17:18:29,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:18:29,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343138705] [2025-01-09 17:18:29,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343138705] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:18:29,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967612463] [2025-01-09 17:18:29,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:29,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:18:29,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:18:29,294 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:18:29,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 17:18:34,120 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-01-09 17:18:34,786 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-01-09 17:18:34,787 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:34,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:34,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 4316 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 17:18:34,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:18:35,005 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-09 17:18:35,005 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:18:35,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967612463] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:18:35,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:18:35,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2025-01-09 17:18:35,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821124859] [2025-01-09 17:18:35,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:18:35,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 17:18:35,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:18:35,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 17:18:35,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:18:35,033 INFO L87 Difference]: Start difference. First operand has 121 states, 79 states have (on average 1.1772151898734178) internal successors, (93), 80 states have internal predecessors, (93), 26 states have call successors, (26), 14 states have call predecessors, (26), 14 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2025-01-09 17:18:35,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:18:35,285 INFO L93 Difference]: Finished difference Result 239 states and 305 transitions. [2025-01-09 17:18:35,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 17:18:35,288 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 108 [2025-01-09 17:18:35,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:18:35,295 INFO L225 Difference]: With dead ends: 239 [2025-01-09 17:18:35,295 INFO L226 Difference]: Without dead ends: 120 [2025-01-09 17:18:35,299 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:18:35,302 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 17:18:35,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 552 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 17:18:35,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-01-09 17:18:35,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2025-01-09 17:18:35,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 78 states have (on average 1.141025641025641) internal successors, (89), 79 states have internal predecessors, (89), 26 states have call successors, (26), 14 states have call predecessors, (26), 15 states have return successors, (26), 26 states have call predecessors, (26), 25 states have call successors, (26) [2025-01-09 17:18:35,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2025-01-09 17:18:35,354 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 108 [2025-01-09 17:18:35,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:18:35,355 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2025-01-09 17:18:35,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2025-01-09 17:18:35,356 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2025-01-09 17:18:35,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-01-09 17:18:35,359 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:18:35,359 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:18:35,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 17:18:35,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 17:18:35,564 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:18:35,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:18:35,565 INFO L85 PathProgramCache]: Analyzing trace with hash 141205177, now seen corresponding path program 1 times [2025-01-09 17:18:35,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:18:35,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699438469] [2025-01-09 17:18:35,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:35,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:18:39,642 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-09 17:18:39,802 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-09 17:18:39,802 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:39,802 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:44,194 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-01-09 17:18:44,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:18:44,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699438469] [2025-01-09 17:18:44,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699438469] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:18:44,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:18:44,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-09 17:18:44,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213614893] [2025-01-09 17:18:44,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:18:44,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-09 17:18:44,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:18:44,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-09 17:18:44,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-01-09 17:18:44,199 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-01-09 17:18:46,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:18:46,007 INFO L93 Difference]: Finished difference Result 224 states and 262 transitions. [2025-01-09 17:18:46,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-09 17:18:46,008 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 120 [2025-01-09 17:18:46,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:18:46,012 INFO L225 Difference]: With dead ends: 224 [2025-01-09 17:18:46,012 INFO L226 Difference]: Without dead ends: 125 [2025-01-09 17:18:46,013 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-01-09 17:18:46,013 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 20 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-01-09 17:18:46,014 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 900 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-01-09 17:18:46,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2025-01-09 17:18:46,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 122. [2025-01-09 17:18:46,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 80 states have (on average 1.1375) internal successors, (91), 81 states have internal predecessors, (91), 26 states have call successors, (26), 14 states have call predecessors, (26), 15 states have return successors, (26), 26 states have call predecessors, (26), 25 states have call successors, (26) [2025-01-09 17:18:46,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2025-01-09 17:18:46,030 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 120 [2025-01-09 17:18:46,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:18:46,030 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2025-01-09 17:18:46,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-01-09 17:18:46,030 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2025-01-09 17:18:46,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-01-09 17:18:46,034 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:18:46,034 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:18:46,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 17:18:46,036 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:18:46,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:18:46,037 INFO L85 PathProgramCache]: Analyzing trace with hash 585105851, now seen corresponding path program 1 times [2025-01-09 17:18:46,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:18:46,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575321988] [2025-01-09 17:18:46,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:46,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:18:49,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-09 17:18:50,098 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-09 17:18:50,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:50,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:51,455 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-01-09 17:18:51,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:18:51,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575321988] [2025-01-09 17:18:51,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575321988] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:18:51,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:18:51,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 17:18:51,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127312733] [2025-01-09 17:18:51,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:18:51,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 17:18:51,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:18:51,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 17:18:51,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:18:51,460 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-01-09 17:18:51,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:18:51,701 INFO L93 Difference]: Finished difference Result 225 states and 262 transitions. [2025-01-09 17:18:51,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 17:18:51,702 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 120 [2025-01-09 17:18:51,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:18:51,704 INFO L225 Difference]: With dead ends: 225 [2025-01-09 17:18:51,704 INFO L226 Difference]: Without dead ends: 120 [2025-01-09 17:18:51,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:18:51,705 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 13 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 17:18:51,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 498 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 17:18:51,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-01-09 17:18:51,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2025-01-09 17:18:51,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 78 states have (on average 1.1153846153846154) internal successors, (87), 79 states have internal predecessors, (87), 26 states have call successors, (26), 14 states have call predecessors, (26), 15 states have return successors, (26), 26 states have call predecessors, (26), 25 states have call successors, (26) [2025-01-09 17:18:51,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2025-01-09 17:18:51,716 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 120 [2025-01-09 17:18:51,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:18:51,716 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2025-01-09 17:18:51,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-01-09 17:18:51,717 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2025-01-09 17:18:51,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-01-09 17:18:51,718 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:18:51,718 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:18:51,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 17:18:51,719 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:18:51,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:18:51,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1775870708, now seen corresponding path program 1 times [2025-01-09 17:18:51,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:18:51,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039854397] [2025-01-09 17:18:51,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:51,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:18:55,625 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-01-09 17:18:55,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-01-09 17:18:55,741 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:55,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:58,482 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-01-09 17:18:58,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:18:58,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039854397] [2025-01-09 17:18:58,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039854397] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:18:58,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:18:58,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-09 17:18:58,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973801696] [2025-01-09 17:18:58,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:18:58,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 17:18:58,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:18:58,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 17:18:58,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-09 17:18:58,484 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2025-01-09 17:18:58,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:18:58,950 INFO L93 Difference]: Finished difference Result 218 states and 251 transitions. [2025-01-09 17:18:58,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 17:18:58,950 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 126 [2025-01-09 17:18:58,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:18:58,952 INFO L225 Difference]: With dead ends: 218 [2025-01-09 17:18:58,952 INFO L226 Difference]: Without dead ends: 120 [2025-01-09 17:18:58,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-09 17:18:58,953 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 2 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-09 17:18:58,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 750 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-09 17:18:58,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-01-09 17:18:58,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2025-01-09 17:18:58,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 78 states have (on average 1.1025641025641026) internal successors, (86), 79 states have internal predecessors, (86), 26 states have call successors, (26), 14 states have call predecessors, (26), 15 states have return successors, (26), 26 states have call predecessors, (26), 25 states have call successors, (26) [2025-01-09 17:18:58,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 138 transitions. [2025-01-09 17:18:58,964 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 138 transitions. Word has length 126 [2025-01-09 17:18:58,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:18:58,966 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 138 transitions. [2025-01-09 17:18:58,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2025-01-09 17:18:58,967 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 138 transitions. [2025-01-09 17:18:58,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-01-09 17:18:58,968 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:18:58,968 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:18:58,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 17:18:58,969 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:18:58,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:18:58,969 INFO L85 PathProgramCache]: Analyzing trace with hash 577905367, now seen corresponding path program 1 times [2025-01-09 17:18:58,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:18:58,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702127577] [2025-01-09 17:18:58,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:58,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:19:02,562 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-01-09 17:19:03,402 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-01-09 17:19:03,402 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:19:03,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:19:06,687 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-01-09 17:19:06,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:19:06,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702127577] [2025-01-09 17:19:06,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702127577] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:19:06,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007972330] [2025-01-09 17:19:06,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:19:06,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:19:06,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:19:06,694 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:19:06,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 17:19:11,045 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-01-09 17:19:23,810 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-01-09 17:19:23,811 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:19:23,811 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:19:23,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 4380 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 17:19:23,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:19:24,455 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-09 17:19:24,455 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:19:24,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007972330] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:19:24,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:19:24,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 10 [2025-01-09 17:19:24,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46105243] [2025-01-09 17:19:24,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:19:24,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 17:19:24,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:19:24,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 17:19:24,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-01-09 17:19:24,457 INFO L87 Difference]: Start difference. First operand 120 states and 138 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2025-01-09 17:19:25,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:19:25,125 INFO L93 Difference]: Finished difference Result 230 states and 263 transitions. [2025-01-09 17:19:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 17:19:25,126 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 133 [2025-01-09 17:19:25,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:19:25,128 INFO L225 Difference]: With dead ends: 230 [2025-01-09 17:19:25,128 INFO L226 Difference]: Without dead ends: 122 [2025-01-09 17:19:25,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-01-09 17:19:25,129 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-09 17:19:25,129 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 597 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-09 17:19:25,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2025-01-09 17:19:25,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2025-01-09 17:19:25,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 79 states have (on average 1.1012658227848102) internal successors, (87), 81 states have internal predecessors, (87), 26 states have call successors, (26), 14 states have call predecessors, (26), 16 states have return successors, (27), 26 states have call predecessors, (27), 25 states have call successors, (27) [2025-01-09 17:19:25,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 140 transitions. [2025-01-09 17:19:25,141 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 140 transitions. Word has length 133 [2025-01-09 17:19:25,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:19:25,141 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 140 transitions. [2025-01-09 17:19:25,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2025-01-09 17:19:25,142 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 140 transitions. [2025-01-09 17:19:25,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-01-09 17:19:25,143 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:19:25,143 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:19:25,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 17:19:25,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:19:25,344 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:19:25,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:19:25,344 INFO L85 PathProgramCache]: Analyzing trace with hash -834564020, now seen corresponding path program 1 times [2025-01-09 17:19:25,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:19:25,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198638250] [2025-01-09 17:19:25,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:19:25,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:19:29,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-01-09 17:19:30,048 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-01-09 17:19:30,049 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:19:30,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat