./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5235a092d2f116f7b83a934e5905896d63bc9e7551cc3a581afc6904f32e3ebd --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:18:22,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:18:22,946 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:18:22,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:18:22,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:18:22,979 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:18:22,980 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:18:22,980 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:18:22,980 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:18:22,980 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:18:22,980 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:18:22,980 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:18:22,981 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:18:22,981 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:18:22,981 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:18:22,981 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:18:22,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:18:22,982 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:18:22,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:18:22,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:18:22,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:18:22,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:18:22,982 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:18:22,982 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:18:22,982 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:18:22,983 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:18:22,983 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:18:22,983 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:18:22,983 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:18:22,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:18:22,983 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:18:22,983 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:18:22,983 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:18:22,984 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:18:22,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:18:22,984 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:18:22,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:18:22,984 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:18:22,984 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:18:22,984 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:18:22,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:18:22,985 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:18:22,985 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:18:22,985 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:18:22,985 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:18:22,985 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 -> 5235a092d2f116f7b83a934e5905896d63bc9e7551cc3a581afc6904f32e3ebd [2025-01-09 17:18:23,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:18:23,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:18:23,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:18:23,281 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:18:23,281 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:18:23,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i [2025-01-09 17:18:24,719 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1ce7d382c/0eee8b46baca4f39a3757b321b2d1b93/FLAG216d30159 [2025-01-09 17:18:25,410 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:18:25,411 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i [2025-01-09 17:18:25,463 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1ce7d382c/0eee8b46baca4f39a3757b321b2d1b93/FLAG216d30159 [2025-01-09 17:18:25,482 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1ce7d382c/0eee8b46baca4f39a3757b321b2d1b93 [2025-01-09 17:18:25,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:18:25,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:18:25,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:18:25,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:18:25,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:18:25,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:18:25" (1/1) ... [2025-01-09 17:18:25,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b94c4c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:25, skipping insertion in model container [2025-01-09 17:18:25,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:18:25" (1/1) ... [2025-01-09 17:18:25,590 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:18:25,876 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i[4504,4517] [2025-01-09 17:18:25,885 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i[4564,4577] [2025-01-09 17:18:26,598 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:26,599 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:26,599 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:26,600 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:26,600 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:26,612 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:26,612 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:26,614 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:26,614 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:26,617 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:26,618 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:26,618 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:26,619 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,599 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,600 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,624 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,625 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,632 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,632 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,649 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,651 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,651 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,694 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i[227986,227999] [2025-01-09 17:18:27,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:18:27,732 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:18:27,750 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i[4504,4517] [2025-01-09 17:18:27,750 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i[4564,4577] [2025-01-09 17:18:27,798 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,798 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,800 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,800 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,801 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,812 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,813 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,814 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,814 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,815 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,815 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,816 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,816 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:27,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2025-01-09 17:18:28,033 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:28,034 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:28,043 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:28,044 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:28,046 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:28,046 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:28,054 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:28,055 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:28,056 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:28,057 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:28,057 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:28,057 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:28,058 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:28,079 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i[227986,227999] [2025-01-09 17:18:28,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:18:28,298 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:18:28,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:28 WrapperNode [2025-01-09 17:18:28,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:18:28,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:18:28,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:18:28,302 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:18:28,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:28" (1/1) ... [2025-01-09 17:18:28,421 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:28" (1/1) ... [2025-01-09 17:18:28,510 INFO L138 Inliner]: procedures = 763, calls = 2428, calls flagged for inlining = 69, calls inlined = 11, statements flattened = 607 [2025-01-09 17:18:28,515 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:18:28,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:18:28,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:18:28,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:18:28,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:28" (1/1) ... [2025-01-09 17:18:28,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:28" (1/1) ... [2025-01-09 17:18:28,534 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:28" (1/1) ... [2025-01-09 17:18:28,608 INFO L175 MemorySlicer]: Split 282 memory accesses to 8 slices as follows [2, 238, 2, 7, 6, 3, 19, 5]. 84 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [0, 6, 2, 0, 0, 0, 0, 5]. The 238 writes are split as follows [1, 232, 0, 1, 2, 1, 1, 0]. [2025-01-09 17:18:28,608 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:28" (1/1) ... [2025-01-09 17:18:28,608 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:28" (1/1) ... [2025-01-09 17:18:28,649 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:28" (1/1) ... [2025-01-09 17:18:28,655 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:28" (1/1) ... [2025-01-09 17:18:28,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:28" (1/1) ... [2025-01-09 17:18:28,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:28" (1/1) ... [2025-01-09 17:18:28,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:28" (1/1) ... [2025-01-09 17:18:28,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:18:28,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:18:28,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:18:28,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:18:28,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:28" (1/1) ... [2025-01-09 17:18:28,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:18:28,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:18:28,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 17:18:28,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 17:18:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-01-09 17:18:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-01-09 17:18:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-01-09 17:18:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-01-09 17:18:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-01-09 17:18:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-01-09 17:18:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-01-09 17:18:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-01-09 17:18:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:18:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_get_entry_count [2025-01-09 17:18:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_get_entry_count [2025-01-09 17:18:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:18:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:18:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:18:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:18:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:18:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:18:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:18:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 17:18:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:18:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:18:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:18:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:18:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:18:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:18:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:18:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 17:18:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:18:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:18:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:18:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:18:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-01-09 17:18:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-01-09 17:18:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:18:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:18:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-01-09 17:18:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-01-09 17:18:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:18:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:18:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:18:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:18:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:18:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:18:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:18:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 17:18:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:18:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:18:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:18:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:18:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-01-09 17:18:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-01-09 17:18:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:18:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:18:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:18:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:18:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:18:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:18:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:18:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 17:18:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:18:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:18:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:18:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-01-09 17:18:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-01-09 17:18:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:18:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:18:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:18:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:18:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:18:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:18:28,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:18:28,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 17:18:28,773 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-01-09 17:18:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-01-09 17:18:28,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:18:28,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:18:28,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:18:28,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:18:28,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:18:28,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:18:28,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:18:28,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 17:18:28,773 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-01-09 17:18:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-01-09 17:18:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-01-09 17:18:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-01-09 17:18:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:18:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:18:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:18:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:18:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:18:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:18:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:18:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:18:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:18:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 17:18:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:18:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:18:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:18:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:18:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:18:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:18:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:18:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 17:18:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-01-09 17:18:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-01-09 17:18:29,150 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:18:29,152 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:18:34,805 INFO L? ?]: Removed 124 outVars from TransFormulas that were not future-live. [2025-01-09 17:18:34,807 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:18:34,819 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:18:34,819 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:18:34,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:18:34 BoogieIcfgContainer [2025-01-09 17:18:34,820 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:18:34,824 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:18:34,825 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:18:34,829 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:18:34,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:18:25" (1/3) ... [2025-01-09 17:18:34,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e930587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:18:34, skipping insertion in model container [2025-01-09 17:18:34,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:28" (2/3) ... [2025-01-09 17:18:34,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e930587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:18:34, skipping insertion in model container [2025-01-09 17:18:34,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:18:34" (3/3) ... [2025-01-09 17:18:34,834 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_get_entry_count_harness_negated.i [2025-01-09 17:18:34,849 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:18:34,851 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_get_entry_count_harness_negated.i that has 15 procedures, 121 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 17:18:34,913 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:18:34,928 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;@3c9c971a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:18:34,929 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:18:34,934 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 79 states have (on average 1.1772151898734178) internal successors, (93), 80 states have internal predecessors, (93), 26 states have call successors, (26), 14 states have call predecessors, (26), 14 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-09 17:18:34,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-01-09 17:18:34,946 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:18:34,947 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:18:34,948 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:18:34,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:18:34,957 INFO L85 PathProgramCache]: Analyzing trace with hash 931165113, now seen corresponding path program 1 times [2025-01-09 17:18:34,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:18:34,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983570030] [2025-01-09 17:18:34,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:34,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:18:40,259 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-01-09 17:18:40,738 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-01-09 17:18:40,739 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:40,739 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:42,378 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-01-09 17:18:42,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:18:42,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983570030] [2025-01-09 17:18:42,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983570030] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:18:42,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215338622] [2025-01-09 17:18:42,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:42,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:18:42,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:18:42,385 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:18:42,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 17:18:48,091 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-01-09 17:18:48,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-01-09 17:18:48,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:48,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:48,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 4316 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 17:18:48,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:18:48,882 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-09 17:18:48,883 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:18:48,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215338622] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:18:48,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:18:48,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2025-01-09 17:18:48,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68594243] [2025-01-09 17:18:48,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:18:48,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 17:18:48,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:18:48,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 17:18:48,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:18:48,915 INFO L87 Difference]: Start difference. First operand has 121 states, 79 states have (on average 1.1772151898734178) internal successors, (93), 80 states have internal predecessors, (93), 26 states have call successors, (26), 14 states have call predecessors, (26), 14 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2025-01-09 17:18:49,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:18:49,167 INFO L93 Difference]: Finished difference Result 239 states and 305 transitions. [2025-01-09 17:18:49,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 17:18:49,171 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 108 [2025-01-09 17:18:49,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:18:49,178 INFO L225 Difference]: With dead ends: 239 [2025-01-09 17:18:49,179 INFO L226 Difference]: Without dead ends: 120 [2025-01-09 17:18:49,182 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 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 17:18:49,184 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 17:18:49,185 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 552 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 17:18:49,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-01-09 17:18:49,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2025-01-09 17:18:49,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 78 states have (on average 1.141025641025641) internal successors, (89), 79 states have internal predecessors, (89), 26 states have call successors, (26), 14 states have call predecessors, (26), 15 states have return successors, (26), 26 states have call predecessors, (26), 25 states have call successors, (26) [2025-01-09 17:18:49,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2025-01-09 17:18:49,232 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 108 [2025-01-09 17:18:49,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:18:49,234 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2025-01-09 17:18:49,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2025-01-09 17:18:49,234 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2025-01-09 17:18:49,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-01-09 17:18:49,238 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:18:49,239 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:18:49,255 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 17:18:49,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 17:18:49,440 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:18:49,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:18:49,440 INFO L85 PathProgramCache]: Analyzing trace with hash 141205177, now seen corresponding path program 1 times [2025-01-09 17:18:49,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:18:49,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511511449] [2025-01-09 17:18:49,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:49,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:18:53,800 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-09 17:18:54,001 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-09 17:18:54,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:54,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:58,879 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-01-09 17:18:58,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:18:58,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511511449] [2025-01-09 17:18:58,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511511449] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:18:58,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:18:58,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-09 17:18:58,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95750919] [2025-01-09 17:18:58,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:18:58,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-09 17:18:58,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:18:58,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-09 17:18:58,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-01-09 17:18:58,883 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-01-09 17:19:00,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:19:00,790 INFO L93 Difference]: Finished difference Result 224 states and 262 transitions. [2025-01-09 17:19:00,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-09 17:19:00,791 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 120 [2025-01-09 17:19:00,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:19:00,794 INFO L225 Difference]: With dead ends: 224 [2025-01-09 17:19:00,795 INFO L226 Difference]: Without dead ends: 125 [2025-01-09 17:19:00,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-01-09 17:19:00,797 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 20 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-01-09 17:19:00,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 900 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-01-09 17:19:00,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2025-01-09 17:19:00,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 122. [2025-01-09 17:19:00,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 80 states have (on average 1.1375) internal successors, (91), 81 states have internal predecessors, (91), 26 states have call successors, (26), 14 states have call predecessors, (26), 15 states have return successors, (26), 26 states have call predecessors, (26), 25 states have call successors, (26) [2025-01-09 17:19:00,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2025-01-09 17:19:00,809 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 120 [2025-01-09 17:19:00,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:19:00,810 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2025-01-09 17:19:00,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-01-09 17:19:00,810 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2025-01-09 17:19:00,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-01-09 17:19:00,812 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:19:00,812 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:19:00,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 17:19:00,812 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:19:00,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:19:00,813 INFO L85 PathProgramCache]: Analyzing trace with hash 585105851, now seen corresponding path program 1 times [2025-01-09 17:19:00,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:19:00,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078506514] [2025-01-09 17:19:00,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:19:00,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:19:05,051 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-09 17:19:05,218 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-09 17:19:05,219 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:19:05,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:19:06,757 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-01-09 17:19:06,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:19:06,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078506514] [2025-01-09 17:19:06,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078506514] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:19:06,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:19:06,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 17:19:06,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277545598] [2025-01-09 17:19:06,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:19:06,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 17:19:06,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:19:06,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 17:19:06,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:19:06,761 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-01-09 17:19:06,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:19:06,987 INFO L93 Difference]: Finished difference Result 225 states and 262 transitions. [2025-01-09 17:19:06,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 17:19:06,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 120 [2025-01-09 17:19:06,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:19:06,990 INFO L225 Difference]: With dead ends: 225 [2025-01-09 17:19:06,990 INFO L226 Difference]: Without dead ends: 120 [2025-01-09 17:19:06,991 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:19:06,991 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 13 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 17:19:06,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 498 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 17:19:06,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-01-09 17:19:07,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2025-01-09 17:19:07,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 78 states have (on average 1.1153846153846154) internal successors, (87), 79 states have internal predecessors, (87), 26 states have call successors, (26), 14 states have call predecessors, (26), 15 states have return successors, (26), 26 states have call predecessors, (26), 25 states have call successors, (26) [2025-01-09 17:19:07,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2025-01-09 17:19:07,003 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 120 [2025-01-09 17:19:07,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:19:07,003 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2025-01-09 17:19:07,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-01-09 17:19:07,004 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2025-01-09 17:19:07,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-01-09 17:19:07,006 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:19:07,006 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:19:07,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 17:19:07,007 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:19:07,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:19:07,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1775870708, now seen corresponding path program 1 times [2025-01-09 17:19:07,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:19:07,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162991681] [2025-01-09 17:19:07,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:19:07,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:19:11,344 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-01-09 17:19:11,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-01-09 17:19:11,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:19:11,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:19:14,132 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-01-09 17:19:14,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:19:14,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162991681] [2025-01-09 17:19:14,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162991681] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:19:14,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:19:14,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-09 17:19:14,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567431372] [2025-01-09 17:19:14,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:19:14,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 17:19:14,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:19:14,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 17:19:14,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-09 17:19:14,133 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2025-01-09 17:19:14,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:19:14,619 INFO L93 Difference]: Finished difference Result 218 states and 251 transitions. [2025-01-09 17:19:14,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 17:19:14,619 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 126 [2025-01-09 17:19:14,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:19:14,621 INFO L225 Difference]: With dead ends: 218 [2025-01-09 17:19:14,621 INFO L226 Difference]: Without dead ends: 120 [2025-01-09 17:19:14,622 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-09 17:19:14,622 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 2 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-09 17:19:14,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 750 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-09 17:19:14,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-01-09 17:19:14,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2025-01-09 17:19:14,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 78 states have (on average 1.1025641025641026) internal successors, (86), 79 states have internal predecessors, (86), 26 states have call successors, (26), 14 states have call predecessors, (26), 15 states have return successors, (26), 26 states have call predecessors, (26), 25 states have call successors, (26) [2025-01-09 17:19:14,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 138 transitions. [2025-01-09 17:19:14,636 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 138 transitions. Word has length 126 [2025-01-09 17:19:14,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:19:14,637 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 138 transitions. [2025-01-09 17:19:14,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2025-01-09 17:19:14,638 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 138 transitions. [2025-01-09 17:19:14,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-01-09 17:19:14,640 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:19:14,641 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:19:14,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 17:19:14,641 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:19:14,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:19:14,642 INFO L85 PathProgramCache]: Analyzing trace with hash 577905367, now seen corresponding path program 1 times [2025-01-09 17:19:14,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:19:14,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597665024] [2025-01-09 17:19:14,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:19:14,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:19:18,611 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-01-09 17:19:19,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-01-09 17:19:19,719 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:19:19,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:19:23,282 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-01-09 17:19:23,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:19:23,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597665024] [2025-01-09 17:19:23,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597665024] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:19:23,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380949953] [2025-01-09 17:19:23,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:19:23,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:19:23,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:19:23,285 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:19:23,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 17:19:28,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-01-09 17:19:28,674 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-01-09 17:19:28,674 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:19:28,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:19:28,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 4380 conjuncts, 118 conjuncts are in the unsatisfiable core [2025-01-09 17:19:28,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:19:32,806 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 17:19:32,899 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 17:19:32,921 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 27 treesize of output 1 [2025-01-09 17:19:40,278 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-09 17:19:40,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27