./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_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_iter_delete_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 5090677d6d260db259697db079256cfe609dc5bc5a9b3d2a9bbc85c8942fae90 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:15:36,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:15:36,945 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:15:36,947 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:15:36,948 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:15:36,968 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:15:36,969 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:15:36,969 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:15:36,969 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:15:36,970 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:15:36,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:15:36,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:15:36,971 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:15:36,971 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:15:36,971 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:15:36,971 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:15:36,971 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:15:36,972 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:15:36,972 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:15:36,972 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:15:36,972 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:15:36,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:15:36,972 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:15:36,972 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:15:36,972 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:15:36,972 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:15:36,972 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:15:36,972 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:15:36,972 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:15:36,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:15:36,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:15:36,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:15:36,973 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:15:36,973 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:15:36,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:15:36,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:15:36,973 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:15:36,973 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:15:36,973 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:15:36,973 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:15:36,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:15:36,974 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:15:36,974 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:15:36,974 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:15:36,974 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:15:36,974 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 -> 5090677d6d260db259697db079256cfe609dc5bc5a9b3d2a9bbc85c8942fae90 [2025-01-09 17:15:37,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:15:37,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:15:37,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:15:37,230 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:15:37,230 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:15:37,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness.i [2025-01-09 17:15:38,393 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/355d81c58/622d056ffec847649c7d95a34a07a248/FLAG7d5be9eca [2025-01-09 17:15:38,895 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:15:38,896 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness.i [2025-01-09 17:15:38,931 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/355d81c58/622d056ffec847649c7d95a34a07a248/FLAG7d5be9eca [2025-01-09 17:15:38,981 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/355d81c58/622d056ffec847649c7d95a34a07a248 [2025-01-09 17:15:38,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:15:38,984 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:15:38,985 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:15:38,985 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:15:38,989 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:15:38,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:15:38" (1/1) ... [2025-01-09 17:15:38,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2316de31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:38, skipping insertion in model container [2025-01-09 17:15:38,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:15:38" (1/1) ... [2025-01-09 17:15:39,059 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:15:39,300 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness.i[4494,4507] [2025-01-09 17:15:39,308 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness.i[4554,4567] [2025-01-09 17:15:40,265 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:40,266 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:40,266 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:40,269 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:40,270 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:40,285 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:40,286 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:40,287 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:40,287 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:40,288 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:40,289 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:40,289 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:40,289 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,018 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,019 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,056 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,057 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,064 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,066 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,082 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,083 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,084 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,084 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,084 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,085 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,085 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,167 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness.i[227989,228002] [2025-01-09 17:15:41,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:15:41,191 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:15:41,200 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness.i[4494,4507] [2025-01-09 17:15:41,200 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness.i[4554,4567] [2025-01-09 17:15:41,225 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,225 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,225 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,226 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,226 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,230 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,231 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,231 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,231 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,232 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,232 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,235 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,235 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2025-01-09 17:15:41,370 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,371 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,377 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,377 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,379 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,379 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,385 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,385 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,385 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,386 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,386 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,386 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:15:41,404 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_delete_harness.i[227989,228002] [2025-01-09 17:15:41,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:15:41,601 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:15:41,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:41 WrapperNode [2025-01-09 17:15:41,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:15:41,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:15:41,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:15:41,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:15:41,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:41" (1/1) ... [2025-01-09 17:15:41,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:41" (1/1) ... [2025-01-09 17:15:41,746 INFO L138 Inliner]: procedures = 763, calls = 2455, calls flagged for inlining = 67, calls inlined = 11, statements flattened = 747 [2025-01-09 17:15:41,747 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:15:41,747 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:15:41,747 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:15:41,748 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:15:41,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:41" (1/1) ... [2025-01-09 17:15:41,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:41" (1/1) ... [2025-01-09 17:15:41,769 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:41" (1/1) ... [2025-01-09 17:15:41,825 INFO L175 MemorySlicer]: Split 348 memory accesses to 9 slices as follows [2, 2, 238, 2, 1, 13, 45, 40, 5]. 68 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [0, 2, 6, 0, 0, 0, 0, 9, 5]. The 246 writes are split as follows [1, 0, 232, 1, 1, 1, 6, 4, 0]. [2025-01-09 17:15:41,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:41" (1/1) ... [2025-01-09 17:15:41,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:41" (1/1) ... [2025-01-09 17:15:41,863 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:41" (1/1) ... [2025-01-09 17:15:41,865 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:41" (1/1) ... [2025-01-09 17:15:41,872 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:41" (1/1) ... [2025-01-09 17:15:41,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:41" (1/1) ... [2025-01-09 17:15:41,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:41" (1/1) ... [2025-01-09 17:15:41,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:15:41,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:15:41,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:15:41,910 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:15:41,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:41" (1/1) ... [2025-01-09 17:15:41,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:15:41,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:15:41,934 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 17:15:41,941 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 17:15:41,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-01-09 17:15:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-01-09 17:15:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-01-09 17:15:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-01-09 17:15:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-01-09 17:15:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-01-09 17:15:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-01-09 17:15:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-01-09 17:15:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-01-09 17:15:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:15:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:15:41,959 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:15:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:15:41,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:15:41,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:15:41,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:15:41,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:15:41,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:15:41,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:15:41,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 17:15:41,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 17:15:41,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:15:41,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:15:41,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:15:41,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:15:41,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:15:41,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:15:41,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:15:41,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 17:15:41,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 17:15:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:15:41,962 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:15:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:15:41,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:15:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-01-09 17:15:41,962 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-01-09 17:15:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-01-09 17:15:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 17:15:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:15:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:15:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-01-09 17:15:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-01-09 17:15:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-01-09 17:15:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 17:15:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 17:15:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 17:15:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 17:15:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 17:15:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-01-09 17:15:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-01-09 17:15:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-01-09 17:15:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-01-09 17:15:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:15:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:15:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:15:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2025-01-09 17:15:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2025-01-09 17:15:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-01-09 17:15:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-01-09 17:15:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:15:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:15:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:15:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:15:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:15:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:15:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:15:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 17:15:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 17:15:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-01-09 17:15:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-01-09 17:15:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:15:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:15:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:15:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:15:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:15:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:15:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:15:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 17:15:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 17:15:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-01-09 17:15:41,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-01-09 17:15:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-01-09 17:15:41,967 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-01-09 17:15:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:15:41,967 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:15:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2025-01-09 17:15:41,967 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2025-01-09 17:15:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:15:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:15:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:15:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:15:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:15:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:15:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:15:41,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 17:15:41,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 17:15:41,968 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_delete [2025-01-09 17:15:41,968 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_delete [2025-01-09 17:15:41,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:15:41,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:15:41,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:15:41,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:15:41,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:15:41,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:15:41,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:15:41,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 17:15:41,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 17:15:41,968 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-01-09 17:15:41,968 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-01-09 17:15:42,266 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:15:42,269 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:15:42,325 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:15:42,355 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:15:42,441 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2025-01-09 17:15:42,441 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2025-01-09 17:15:42,441 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2025-01-09 17:15:42,441 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2025-01-09 17:15:48,254 INFO L? ?]: Removed 222 outVars from TransFormulas that were not future-live. [2025-01-09 17:15:48,254 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:15:48,265 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:15:48,265 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2025-01-09 17:15:48,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:15:48 BoogieIcfgContainer [2025-01-09 17:15:48,266 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:15:48,267 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:15:48,267 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:15:48,271 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:15:48,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:15:38" (1/3) ... [2025-01-09 17:15:48,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29770116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:15:48, skipping insertion in model container [2025-01-09 17:15:48,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:15:41" (2/3) ... [2025-01-09 17:15:48,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29770116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:15:48, skipping insertion in model container [2025-01-09 17:15:48,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:15:48" (3/3) ... [2025-01-09 17:15:48,273 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_delete_harness.i [2025-01-09 17:15:48,283 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:15:48,284 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_iter_delete_harness.i that has 28 procedures, 255 locations, 1 initial locations, 13 loop locations, and 1 error locations. [2025-01-09 17:15:48,320 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:15:48,328 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;@517647aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:15:48,329 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:15:48,333 INFO L276 IsEmpty]: Start isEmpty. Operand has 223 states, 150 states have (on average 1.28) internal successors, (192), 149 states have internal predecessors, (192), 54 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-01-09 17:15:48,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2025-01-09 17:15:48,349 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:15:48,350 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:15:48,350 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:15:48,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:15:48,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1181724307, now seen corresponding path program 1 times [2025-01-09 17:15:48,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:15:48,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649536739] [2025-01-09 17:15:48,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:15:48,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:15:52,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 203 statements into 1 equivalence classes. [2025-01-09 17:15:52,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 203 of 203 statements. [2025-01-09 17:15:52,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:15:52,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:15:53,340 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2025-01-09 17:15:53,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:15:53,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649536739] [2025-01-09 17:15:53,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649536739] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:15:53,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762400003] [2025-01-09 17:15:53,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:15:53,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:15:53,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:15:53,343 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 17:15:53,345 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 17:15:57,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 203 statements into 1 equivalence classes. [2025-01-09 17:15:57,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 203 of 203 statements. [2025-01-09 17:15:57,742 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:15:57,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:15:57,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 4548 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 17:15:57,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:15:57,799 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2025-01-09 17:15:57,799 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:15:57,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762400003] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:15:57,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:15:57,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 17:15:57,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224799959] [2025-01-09 17:15:57,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:15:57,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 17:15:57,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:15:57,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 17:15:57,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:15:57,830 INFO L87 Difference]: Start difference. First operand has 223 states, 150 states have (on average 1.28) internal successors, (192), 149 states have internal predecessors, (192), 54 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2025-01-09 17:15:57,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:15:57,857 INFO L93 Difference]: Finished difference Result 441 states and 634 transitions. [2025-01-09 17:15:57,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 17:15:57,859 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 203 [2025-01-09 17:15:57,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:15:57,869 INFO L225 Difference]: With dead ends: 441 [2025-01-09 17:15:57,871 INFO L226 Difference]: Without dead ends: 218 [2025-01-09 17:15:57,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:15:57,879 INFO L435 NwaCegarLoop]: 292 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 17:15:57,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 17:15:57,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2025-01-09 17:15:57,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2025-01-09 17:15:57,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 144 states have (on average 1.25) internal successors, (180), 145 states have internal predecessors, (180), 54 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2025-01-09 17:15:57,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 287 transitions. [2025-01-09 17:15:57,920 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 287 transitions. Word has length 203 [2025-01-09 17:15:57,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:15:57,921 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 287 transitions. [2025-01-09 17:15:57,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2025-01-09 17:15:57,922 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 287 transitions. [2025-01-09 17:15:57,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2025-01-09 17:15:57,924 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:15:57,925 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:15:57,942 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 17:15:58,126 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 17:15:58,126 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:15:58,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:15:58,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1464640679, now seen corresponding path program 1 times [2025-01-09 17:15:58,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:15:58,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075049959] [2025-01-09 17:15:58,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:15:58,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:16:01,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 203 statements into 1 equivalence classes. [2025-01-09 17:16:01,958 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 203 of 203 statements. [2025-01-09 17:16:01,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:16:01,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:16:03,002 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2025-01-09 17:16:03,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:16:03,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075049959] [2025-01-09 17:16:03,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075049959] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:16:03,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:16:03,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 17:16:03,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116481475] [2025-01-09 17:16:03,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:16:03,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 17:16:03,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:16:03,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 17:16:03,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:16:03,009 INFO L87 Difference]: Start difference. First operand 218 states and 287 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2025-01-09 17:16:03,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:16:03,190 INFO L93 Difference]: Finished difference Result 399 states and 529 transitions. [2025-01-09 17:16:03,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 17:16:03,193 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 203 [2025-01-09 17:16:03,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:16:03,195 INFO L225 Difference]: With dead ends: 399 [2025-01-09 17:16:03,195 INFO L226 Difference]: Without dead ends: 223 [2025-01-09 17:16:03,196 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 [2025-01-09 17:16:03,204 INFO L435 NwaCegarLoop]: 284 mSDtfsCounter, 0 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1132 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 17:16:03,204 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1132 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 17:16:03,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2025-01-09 17:16:03,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2025-01-09 17:16:03,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 148 states have (on average 1.2432432432432432) internal successors, (184), 149 states have internal predecessors, (184), 54 states have call successors, (54), 19 states have call predecessors, (54), 20 states have return successors, (54), 54 states have call predecessors, (54), 53 states have call successors, (54) [2025-01-09 17:16:03,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 292 transitions. [2025-01-09 17:16:03,230 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 292 transitions. Word has length 203 [2025-01-09 17:16:03,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:16:03,230 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 292 transitions. [2025-01-09 17:16:03,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2025-01-09 17:16:03,231 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 292 transitions. [2025-01-09 17:16:03,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2025-01-09 17:16:03,237 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:16:03,237 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:16:03,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 17:16:03,237 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:16:03,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:16:03,238 INFO L85 PathProgramCache]: Analyzing trace with hash 283524837, now seen corresponding path program 1 times [2025-01-09 17:16:03,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:16:03,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862171797] [2025-01-09 17:16:03,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:16:03,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:16:07,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 209 statements into 1 equivalence classes. [2025-01-09 17:16:07,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 209 of 209 statements. [2025-01-09 17:16:07,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:16:07,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:16:10,622 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2025-01-09 17:16:10,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:16:10,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862171797] [2025-01-09 17:16:10,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862171797] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:16:10,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:16:10,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-09 17:16:10,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80230011] [2025-01-09 17:16:10,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:16:10,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-09 17:16:10,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:16:10,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-09 17:16:10,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-01-09 17:16:10,624 INFO L87 Difference]: Start difference. First operand 223 states and 292 transitions. Second operand has 10 states, 10 states have (on average 7.8) internal successors, (78), 9 states have internal predecessors, (78), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2025-01-09 17:16:12,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:16:12,690 INFO L93 Difference]: Finished difference Result 393 states and 522 transitions. [2025-01-09 17:16:12,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-09 17:16:12,691 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 9 states have internal predecessors, (78), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) Word has length 209 [2025-01-09 17:16:12,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:16:12,695 INFO L225 Difference]: With dead ends: 393 [2025-01-09 17:16:12,695 INFO L226 Difference]: Without dead ends: 231 [2025-01-09 17:16:12,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-01-09 17:16:12,698 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 22 mSDsluCounter, 1542 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 1816 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-01-09 17:16:12,698 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 1816 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-01-09 17:16:12,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2025-01-09 17:16:12,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 228. [2025-01-09 17:16:12,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 152 states have (on average 1.243421052631579) internal successors, (189), 154 states have internal predecessors, (189), 54 states have call successors, (54), 19 states have call predecessors, (54), 21 states have return successors, (55), 54 states have call predecessors, (55), 53 states have call successors, (55) [2025-01-09 17:16:12,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 298 transitions. [2025-01-09 17:16:12,711 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 298 transitions. Word has length 209 [2025-01-09 17:16:12,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:16:12,712 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 298 transitions. [2025-01-09 17:16:12,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 9 states have internal predecessors, (78), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2025-01-09 17:16:12,712 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 298 transitions. [2025-01-09 17:16:12,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2025-01-09 17:16:12,714 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:16:12,714 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:16:12,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 17:16:12,714 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:16:12,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:16:12,715 INFO L85 PathProgramCache]: Analyzing trace with hash -256904669, now seen corresponding path program 1 times [2025-01-09 17:16:12,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:16:12,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253997599] [2025-01-09 17:16:12,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:16:12,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:16:16,310 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 209 statements into 1 equivalence classes. [2025-01-09 17:16:16,456 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 209 of 209 statements. [2025-01-09 17:16:16,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:16:16,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:16:17,271 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2025-01-09 17:16:17,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:16:17,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253997599] [2025-01-09 17:16:17,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253997599] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:16:17,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:16:17,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 17:16:17,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379688726] [2025-01-09 17:16:17,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:16:17,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 17:16:17,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:16:17,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 17:16:17,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:16:17,273 INFO L87 Difference]: Start difference. First operand 228 states and 298 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2025-01-09 17:16:17,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:16:17,514 INFO L93 Difference]: Finished difference Result 400 states and 530 transitions. [2025-01-09 17:16:17,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 17:16:17,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 209 [2025-01-09 17:16:17,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:16:17,516 INFO L225 Difference]: With dead ends: 400 [2025-01-09 17:16:17,516 INFO L226 Difference]: Without dead ends: 233 [2025-01-09 17:16:17,516 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:16:17,517 INFO L435 NwaCegarLoop]: 285 mSDtfsCounter, 21 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 17:16:17,518 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 805 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 17:16:17,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2025-01-09 17:16:17,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 230. [2025-01-09 17:16:17,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 153 states have (on average 1.2418300653594772) internal successors, (190), 155 states have internal predecessors, (190), 55 states have call successors, (55), 19 states have call predecessors, (55), 21 states have return successors, (56), 55 states have call predecessors, (56), 54 states have call successors, (56) [2025-01-09 17:16:17,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 301 transitions. [2025-01-09 17:16:17,536 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 301 transitions. Word has length 209 [2025-01-09 17:16:17,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:16:17,536 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 301 transitions. [2025-01-09 17:16:17,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2025-01-09 17:16:17,537 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 301 transitions. [2025-01-09 17:16:17,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2025-01-09 17:16:17,538 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:16:17,538 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:16:17,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 17:16:17,538 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:16:17,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:16:17,539 INFO L85 PathProgramCache]: Analyzing trace with hash -236585722, now seen corresponding path program 1 times [2025-01-09 17:16:17,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:16:17,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832629094] [2025-01-09 17:16:17,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:16:17,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:16:21,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 215 statements into 1 equivalence classes. [2025-01-09 17:16:21,298 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 215 of 215 statements. [2025-01-09 17:16:21,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:16:21,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:16:23,196 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2025-01-09 17:16:23,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:16:23,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832629094] [2025-01-09 17:16:23,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832629094] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:16:23,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622864344] [2025-01-09 17:16:23,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:16:23,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:16:23,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:16:23,203 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 17:16:23,204 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 17:16:27,216 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 215 statements into 1 equivalence classes. [2025-01-09 17:16:27,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 215 of 215 statements. [2025-01-09 17:16:27,638 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:16:27,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:16:27,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 4576 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-01-09 17:16:27,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:16:29,099 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2025-01-09 17:16:29,099 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:16:29,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622864344] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:16:29,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:16:29,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2025-01-09 17:16:29,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698792528] [2025-01-09 17:16:29,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:16:29,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-09 17:16:29,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:16:29,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-09 17:16:29,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2025-01-09 17:16:29,108 INFO L87 Difference]: Start difference. First operand 230 states and 301 transitions. Second operand has 9 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 3 states have call successors, (37), 2 states have call predecessors, (37), 5 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2025-01-09 17:16:31,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:16:31,275 INFO L93 Difference]: Finished difference Result 409 states and 545 transitions. [2025-01-09 17:16:31,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 17:16:31,276 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 3 states have call successors, (37), 2 states have call predecessors, (37), 5 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) Word has length 215 [2025-01-09 17:16:31,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:16:31,280 INFO L225 Difference]: With dead ends: 409 [2025-01-09 17:16:31,280 INFO L226 Difference]: Without dead ends: 240 [2025-01-09 17:16:31,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2025-01-09 17:16:31,283 INFO L435 NwaCegarLoop]: 265 mSDtfsCounter, 0 mSDsluCounter, 1807 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2072 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2025-01-09 17:16:31,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2072 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2025-01-09 17:16:31,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2025-01-09 17:16:31,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 232. [2025-01-09 17:16:31,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 154 states have (on average 1.2402597402597402) internal successors, (191), 157 states have internal predecessors, (191), 55 states have call successors, (55), 19 states have call predecessors, (55), 22 states have return successors, (62), 55 states have call predecessors, (62), 54 states have call successors, (62) [2025-01-09 17:16:31,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 308 transitions. [2025-01-09 17:16:31,319 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 308 transitions. Word has length 215 [2025-01-09 17:16:31,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:16:31,320 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 308 transitions. [2025-01-09 17:16:31,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 3 states have call successors, (37), 2 states have call predecessors, (37), 5 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2025-01-09 17:16:31,321 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 308 transitions. [2025-01-09 17:16:31,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2025-01-09 17:16:31,328 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:16:31,329 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 3, 3, 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, 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 17:16:31,347 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 [2025-01-09 17:16:31,529 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 17:16:31,530 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:16:31,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:16:31,531 INFO L85 PathProgramCache]: Analyzing trace with hash 2009564602, now seen corresponding path program 1 times [2025-01-09 17:16:31,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:16:31,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232558980] [2025-01-09 17:16:31,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:16:31,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:16:35,063 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 222 statements into 1 equivalence classes. [2025-01-09 17:16:35,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 222 of 222 statements. [2025-01-09 17:16:35,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:16:35,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:16:40,830 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2025-01-09 17:16:40,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:16:40,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232558980] [2025-01-09 17:16:40,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232558980] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:16:40,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266999060] [2025-01-09 17:16:40,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:16:40,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:16:40,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:16:40,834 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) [2025-01-09 17:16:40,835 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 [2025-01-09 17:16:45,631 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 222 statements into 1 equivalence classes. [2025-01-09 17:16:46,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 222 of 222 statements. [2025-01-09 17:16:46,111 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:16:46,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:16:46,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 4608 conjuncts, 81 conjuncts are in the unsatisfiable core [2025-01-09 17:16:46,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:16:47,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-01-09 17:17:03,031 INFO L349 Elim1Store]: treesize reduction 12, result has 67.6 percent of original size [2025-01-09 17:17:03,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 44 [2025-01-09 17:17:06,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 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 [2025-01-09 17:17:07,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 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