./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_find_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_find_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 f75d0ef33a31287833e190b2032d34d4d62b29cbbc430e756e509abfe84aec7a --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:17:33,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:17:33,236 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:17:33,241 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:17:33,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:17:33,265 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:17:33,266 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:17:33,266 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:17:33,266 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:17:33,266 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:17:33,271 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:17:33,271 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:17:33,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:17:33,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:17:33,271 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:17:33,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:17:33,271 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:17:33,272 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:17:33,272 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:17:33,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:17:33,272 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:17:33,272 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:17:33,272 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:17:33,272 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:17:33,272 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:17:33,272 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:17:33,272 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:17:33,272 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:17:33,272 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:17:33,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:17:33,272 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:17:33,272 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:17:33,272 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:17:33,272 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:17:33,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:17:33,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:17:33,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:17:33,273 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:17:33,273 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:17:33,273 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:17:33,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:17:33,273 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:17:33,273 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:17:33,273 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:17:33,273 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:17:33,273 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 -> f75d0ef33a31287833e190b2032d34d4d62b29cbbc430e756e509abfe84aec7a [2025-01-09 17:17:33,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:17:33,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:17:33,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:17:33,551 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:17:33,551 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:17:33,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness_negated.i [2025-01-09 17:17:34,696 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/52671dd91/1f5e0181bf98407e98aad447fa77e7c7/FLAGc71c7facd [2025-01-09 17:17:35,262 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:17:35,264 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness_negated.i [2025-01-09 17:17:35,300 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/52671dd91/1f5e0181bf98407e98aad447fa77e7c7/FLAGc71c7facd [2025-01-09 17:17:35,789 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/52671dd91/1f5e0181bf98407e98aad447fa77e7c7 [2025-01-09 17:17:35,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:17:35,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:17:35,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:17:35,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:17:35,796 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:17:35,797 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:17:35" (1/1) ... [2025-01-09 17:17:35,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c670bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:35, skipping insertion in model container [2025-01-09 17:17:35,798 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:17:35" (1/1) ... [2025-01-09 17:17:35,879 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:17:36,095 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_find_harness_negated.i[4493,4506] [2025-01-09 17:17:36,103 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_find_harness_negated.i[4553,4566] [2025-01-09 17:17:36,594 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:36,595 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:36,595 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:36,596 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:36,596 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:36,605 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:36,606 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:36,607 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:36,607 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:36,609 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:36,609 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:36,610 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:36,610 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,201 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,202 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,234 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,235 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,239 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,243 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,261 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,262 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,263 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,263 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,264 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,264 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,265 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,304 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_find_harness_negated.i[228314,228327] [2025-01-09 17:17:37,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:17:37,338 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:17:37,350 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_find_harness_negated.i[4493,4506] [2025-01-09 17:17:37,354 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_find_harness_negated.i[4553,4566] [2025-01-09 17:17:37,397 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,397 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,397 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,398 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,398 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,402 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,403 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,404 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,404 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,404 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,405 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,405 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,405 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2025-01-09 17:17:37,596 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,597 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,604 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,604 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,606 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,607 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,616 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,617 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,617 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,617 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,617 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,617 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,617 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:37,635 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_find_harness_negated.i[228314,228327] [2025-01-09 17:17:37,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:17:37,805 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:17:37,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:37 WrapperNode [2025-01-09 17:17:37,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:17:37,807 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:17:37,807 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:17:37,807 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:17:37,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:37" (1/1) ... [2025-01-09 17:17:37,861 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:37" (1/1) ... [2025-01-09 17:17:37,923 INFO L138 Inliner]: procedures = 763, calls = 2450, calls flagged for inlining = 70, calls inlined = 20, statements flattened = 867 [2025-01-09 17:17:37,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:17:37,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:17:37,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:17:37,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:17:37,936 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:37" (1/1) ... [2025-01-09 17:17:37,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:37" (1/1) ... [2025-01-09 17:17:37,947 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:37" (1/1) ... [2025-01-09 17:17:38,029 INFO L175 MemorySlicer]: Split 315 memory accesses to 12 slices as follows [238, 2, 9, 36, 1, 3, 6, 4, 3, 6, 2, 5]. 76 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [6, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5]. The 249 writes are split as follows [232, 0, 1, 3, 1, 1, 2, 3, 3, 2, 1, 0]. [2025-01-09 17:17:38,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:37" (1/1) ... [2025-01-09 17:17:38,031 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:37" (1/1) ... [2025-01-09 17:17:38,080 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:37" (1/1) ... [2025-01-09 17:17:38,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:37" (1/1) ... [2025-01-09 17:17:38,085 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:37" (1/1) ... [2025-01-09 17:17:38,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:37" (1/1) ... [2025-01-09 17:17:38,101 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:37" (1/1) ... [2025-01-09 17:17:38,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:17:38,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:17:38,118 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:17:38,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:17:38,124 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:37" (1/1) ... [2025-01-09 17:17:38,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:17:38,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:17:38,157 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 17:17:38,160 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 17:17:38,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-01-09 17:17:38,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-01-09 17:17:38,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-01-09 17:17:38,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-01-09 17:17:38,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-01-09 17:17:38,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-01-09 17:17:38,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-01-09 17:17:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-01-09 17:17:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-01-09 17:17:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-01-09 17:17:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-01-09 17:17:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2025-01-09 17:17:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-01-09 17:17:38,185 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-01-09 17:17:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-01-09 17:17:38,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-01-09 17:17:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:17:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:17:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:17:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:17:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:17:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:17:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:17:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:17:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 17:17:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 17:17:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 17:17:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 17:17:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 17:17:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:17:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:17:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:17:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:17:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:17:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:17:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:17:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 17:17:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 17:17:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 17:17:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 17:17:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 17:17:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:17:38,189 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:17:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:17:38,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:17:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-01-09 17:17:38,189 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-01-09 17:17:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:17:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:17:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-01-09 17:17:38,190 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-01-09 17:17:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:17:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:17:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:17:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:17:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:17:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:17:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:17:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 17:17:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 17:17:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 17:17:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 17:17:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-01-09 17:17:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-01-09 17:17:38,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-01-09 17:17:38,192 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:17:38,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:17:38,192 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-01-09 17:17:38,192 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-01-09 17:17:38,192 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:17:38,192 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-01-09 17:17:38,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-01-09 17:17:38,192 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:17:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-01-09 17:17:38,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-01-09 17:17:38,193 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:17:38,193 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_find [2025-01-09 17:17:38,193 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_find [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-01-09 17:17:38,193 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2025-01-09 17:17:38,193 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2025-01-09 17:17:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-01-09 17:17:38,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-01-09 17:17:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:17:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:17:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:17:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:17:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:17:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:17:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:17:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 17:17:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 17:17:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 17:17:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 17:17:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 17:17:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-01-09 17:17:38,196 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-01-09 17:17:38,500 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:17:38,501 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:17:38,554 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:17:38,565 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume false; [2025-01-09 17:17:38,565 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !false; [2025-01-09 17:17:38,699 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:17:38,718 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2025-01-09 17:17:38,718 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2025-01-09 17:17:38,723 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:17:38,736 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2025-01-09 17:17:38,737 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2025-01-09 17:17:44,152 INFO L? ?]: Removed 281 outVars from TransFormulas that were not future-live. [2025-01-09 17:17:44,153 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:17:44,161 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:17:44,162 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2025-01-09 17:17:44,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:17:44 BoogieIcfgContainer [2025-01-09 17:17:44,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:17:44,163 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:17:44,163 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:17:44,167 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:17:44,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:17:35" (1/3) ... [2025-01-09 17:17:44,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4940dad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:17:44, skipping insertion in model container [2025-01-09 17:17:44,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:37" (2/3) ... [2025-01-09 17:17:44,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4940dad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:17:44, skipping insertion in model container [2025-01-09 17:17:44,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:17:44" (3/3) ... [2025-01-09 17:17:44,168 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_find_harness_negated.i [2025-01-09 17:17:44,182 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:17:44,185 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_find_harness_negated.i that has 23 procedures, 264 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-01-09 17:17:44,221 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:17:44,228 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;@79e60094, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:17:44,229 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:17:44,232 INFO L276 IsEmpty]: Start isEmpty. Operand has 264 states, 175 states have (on average 1.2342857142857142) internal successors, (216), 173 states have internal predecessors, (216), 68 states have call successors, (68), 22 states have call predecessors, (68), 22 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2025-01-09 17:17:44,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-01-09 17:17:44,241 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:17:44,242 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:17:44,242 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:17:44,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:17:44,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1797785597, now seen corresponding path program 1 times [2025-01-09 17:17:44,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:17:44,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648780372] [2025-01-09 17:17:44,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:17:44,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:17:48,926 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-01-09 17:17:49,245 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-01-09 17:17:49,246 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:17:49,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:17:49,741 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2025-01-09 17:17:49,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:17:49,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648780372] [2025-01-09 17:17:49,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648780372] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:17:49,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312485596] [2025-01-09 17:17:49,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:17:49,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:17:49,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:17:49,745 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 17:17:49,750 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 17:17:54,114 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-01-09 17:17:54,548 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-01-09 17:17:54,548 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:17:54,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:17:54,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 4655 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 17:17:54,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:17:54,592 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2025-01-09 17:17:54,592 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:17:54,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312485596] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:17:54,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:17:54,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 17:17:54,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468653166] [2025-01-09 17:17:54,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:17:54,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 17:17:54,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:17:54,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 17:17:54,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:17:54,611 INFO L87 Difference]: Start difference. First operand has 264 states, 175 states have (on average 1.2342857142857142) internal successors, (216), 173 states have internal predecessors, (216), 68 states have call successors, (68), 22 states have call predecessors, (68), 22 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-01-09 17:17:54,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:17:54,651 INFO L93 Difference]: Finished difference Result 522 states and 749 transitions. [2025-01-09 17:17:54,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 17:17:54,652 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 184 [2025-01-09 17:17:54,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:17:54,658 INFO L225 Difference]: With dead ends: 522 [2025-01-09 17:17:54,658 INFO L226 Difference]: Without dead ends: 257 [2025-01-09 17:17:54,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 185 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 17:17:54,664 INFO L435 NwaCegarLoop]: 344 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, 344 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 17:17:54,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 17:17:54,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2025-01-09 17:17:54,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2025-01-09 17:17:54,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 166 states have (on average 1.2228915662650603) internal successors, (203), 167 states have internal predecessors, (203), 68 states have call successors, (68), 22 states have call predecessors, (68), 22 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-01-09 17:17:54,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 338 transitions. [2025-01-09 17:17:54,703 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 338 transitions. Word has length 184 [2025-01-09 17:17:54,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:17:54,703 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 338 transitions. [2025-01-09 17:17:54,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-01-09 17:17:54,704 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 338 transitions. [2025-01-09 17:17:54,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-01-09 17:17:54,706 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:17:54,706 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:17:54,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-09 17:17:54,911 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 17:17:54,911 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:17:54,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:17:54,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1596691591, now seen corresponding path program 1 times [2025-01-09 17:17:54,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:17:54,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443471012] [2025-01-09 17:17:54,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:17:54,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:17:58,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-01-09 17:17:58,868 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-01-09 17:17:58,869 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:17:58,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:17:59,903 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2025-01-09 17:17:59,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:17:59,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443471012] [2025-01-09 17:17:59,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443471012] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:17:59,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560170522] [2025-01-09 17:17:59,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:17:59,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:17:59,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:17:59,907 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 17:17:59,908 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 17:18:04,047 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-01-09 17:18:04,459 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-01-09 17:18:04,459 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:04,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:04,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 4655 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 17:18:04,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:18:04,603 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-01-09 17:18:04,603 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:18:04,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560170522] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:18:04,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:18:04,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2025-01-09 17:18:04,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485032455] [2025-01-09 17:18:04,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:18:04,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 17:18:04,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:18:04,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 17:18:04,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:18:04,605 INFO L87 Difference]: Start difference. First operand 257 states and 338 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2025-01-09 17:18:04,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:18:04,820 INFO L93 Difference]: Finished difference Result 510 states and 670 transitions. [2025-01-09 17:18:04,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 17:18:04,821 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 184 [2025-01-09 17:18:04,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:18:04,823 INFO L225 Difference]: With dead ends: 510 [2025-01-09 17:18:04,823 INFO L226 Difference]: Without dead ends: 262 [2025-01-09 17:18:04,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 185 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 17:18:04,824 INFO L435 NwaCegarLoop]: 335 mSDtfsCounter, 0 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1336 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 17:18:04,825 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1336 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 17:18:04,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2025-01-09 17:18:04,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2025-01-09 17:18:04,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 170 states have (on average 1.2176470588235293) internal successors, (207), 171 states have internal predecessors, (207), 68 states have call successors, (68), 22 states have call predecessors, (68), 23 states have return successors, (68), 68 states have call predecessors, (68), 67 states have call successors, (68) [2025-01-09 17:18:04,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 343 transitions. [2025-01-09 17:18:04,838 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 343 transitions. Word has length 184 [2025-01-09 17:18:04,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:18:04,839 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 343 transitions. [2025-01-09 17:18:04,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2025-01-09 17:18:04,839 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 343 transitions. [2025-01-09 17:18:04,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2025-01-09 17:18:04,844 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:18:04,845 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 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, 1, 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 17:18:04,863 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 17:18:05,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:18:05,045 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:18:05,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:18:05,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1837768465, now seen corresponding path program 1 times [2025-01-09 17:18:05,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:18:05,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758232358] [2025-01-09 17:18:05,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:05,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:18:08,956 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-01-09 17:18:09,038 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-01-09 17:18:09,038 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:09,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:12,601 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2025-01-09 17:18:12,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:18:12,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758232358] [2025-01-09 17:18:12,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758232358] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:18:12,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690286465] [2025-01-09 17:18:12,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:12,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:18:12,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:18:12,605 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 17:18:12,606 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 17:18:16,917 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-01-09 17:18:17,381 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-01-09 17:18:17,381 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:17,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:17,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 4663 conjuncts, 46 conjuncts are in the unsatisfiable core [2025-01-09 17:18:17,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:18:18,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-01-09 17:18:28,523 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2025-01-09 17:18:28,524 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:18:28,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690286465] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:18:28,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:18:28,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [10] total 20 [2025-01-09 17:18:28,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62578502] [2025-01-09 17:18:28,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:18:28,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-09 17:18:28,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:18:28,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-09 17:18:28,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2025-01-09 17:18:28,530 INFO L87 Difference]: Start difference. First operand 262 states and 343 transitions. Second operand has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 6 states have call successors, (33), 4 states have call predecessors, (33), 5 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2025-01-09 17:18:38,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:18:38,856 INFO L93 Difference]: Finished difference Result 567 states and 734 transitions. [2025-01-09 17:18:38,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-09 17:18:38,857 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 6 states have call successors, (33), 4 states have call predecessors, (33), 5 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) Word has length 196 [2025-01-09 17:18:38,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:18:38,861 INFO L225 Difference]: With dead ends: 567 [2025-01-09 17:18:38,862 INFO L226 Difference]: Without dead ends: 323 [2025-01-09 17:18:38,864 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 165 SyntacticMatches, 22 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=92, Invalid=460, Unknown=0, NotChecked=0, Total=552 [2025-01-09 17:18:38,865 INFO L435 NwaCegarLoop]: 356 mSDtfsCounter, 254 mSDsluCounter, 2495 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 2851 SdHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2025-01-09 17:18:38,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 2851 Invalid, 1016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2025-01-09 17:18:38,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2025-01-09 17:18:38,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 320. [2025-01-09 17:18:38,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 212 states have (on average 1.2028301886792452) internal successors, (255), 213 states have internal predecessors, (255), 74 states have call successors, (74), 31 states have call predecessors, (74), 33 states have return successors, (75), 75 states have call predecessors, (75), 73 states have call successors, (75) [2025-01-09 17:18:38,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 404 transitions. [2025-01-09 17:18:38,895 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 404 transitions. Word has length 196 [2025-01-09 17:18:38,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:18:38,895 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 404 transitions. [2025-01-09 17:18:38,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 6 states have call successors, (33), 4 states have call predecessors, (33), 5 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2025-01-09 17:18:38,895 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 404 transitions. [2025-01-09 17:18:38,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2025-01-09 17:18:38,897 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:18:38,897 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 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, 1, 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 17:18:38,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-09 17:18:39,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:18:39,102 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:18:39,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:18:39,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1982977107, now seen corresponding path program 1 times [2025-01-09 17:18:39,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:18:39,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040059903] [2025-01-09 17:18:39,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:39,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:18:42,994 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-01-09 17:18:43,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-01-09 17:18:43,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:43,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:44,147 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2025-01-09 17:18:44,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:18:44,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040059903] [2025-01-09 17:18:44,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040059903] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:18:44,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878454039] [2025-01-09 17:18:44,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:44,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:18:44,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:18:44,151 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:18:44,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-09 17:18:48,674 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-01-09 17:18:49,129 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-01-09 17:18:49,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:49,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:49,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 4648 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-09 17:18:49,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:18:50,459 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2025-01-09 17:18:50,459 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:18:50,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878454039] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:18:50,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:18:50,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-01-09 17:18:50,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800030482] [2025-01-09 17:18:50,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:18:50,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 17:18:50,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:18:50,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 17:18:50,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-01-09 17:18:50,462 INFO L87 Difference]: Start difference. First operand 320 states and 404 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2025-01-09 17:18:52,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:18:52,156 INFO L93 Difference]: Finished difference Result 568 states and 730 transitions. [2025-01-09 17:18:52,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 17:18:52,157 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 196 [2025-01-09 17:18:52,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:18:52,159 INFO L225 Difference]: With dead ends: 568 [2025-01-09 17:18:52,159 INFO L226 Difference]: Without dead ends: 325 [2025-01-09 17:18:52,165 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2025-01-09 17:18:52,166 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 344 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 1157 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-01-09 17:18:52,166 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 1157 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-01-09 17:18:52,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2025-01-09 17:18:52,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2025-01-09 17:18:52,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 215 states have (on average 1.2) internal successors, (258), 217 states have internal predecessors, (258), 75 states have call successors, (75), 31 states have call predecessors, (75), 34 states have return successors, (78), 76 states have call predecessors, (78), 74 states have call successors, (78) [2025-01-09 17:18:52,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 411 transitions. [2025-01-09 17:18:52,190 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 411 transitions. Word has length 196 [2025-01-09 17:18:52,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:18:52,192 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 411 transitions. [2025-01-09 17:18:52,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2025-01-09 17:18:52,192 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 411 transitions. [2025-01-09 17:18:52,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2025-01-09 17:18:52,194 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:18:52,194 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 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 17:18:52,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-09 17:18:52,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:18:52,395 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:18:52,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:18:52,395 INFO L85 PathProgramCache]: Analyzing trace with hash -108678061, now seen corresponding path program 1 times [2025-01-09 17:18:52,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:18:52,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884855353] [2025-01-09 17:18:52,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:52,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:18:56,484 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 208 statements into 1 equivalence classes. [2025-01-09 17:18:56,647 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 208 of 208 statements. [2025-01-09 17:18:56,647 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:56,647 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:58,713 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2025-01-09 17:18:58,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:18:58,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884855353] [2025-01-09 17:18:58,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884855353] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:18:58,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328050666] [2025-01-09 17:18:58,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:58,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:18:58,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:18:58,715 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:18:58,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-09 17:19:03,522 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 208 statements into 1 equivalence classes. [2025-01-09 17:19:04,033 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 208 of 208 statements. [2025-01-09 17:19:04,034 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:19:04,034 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:19:04,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 4706 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-09 17:19:04,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:19:06,034 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2025-01-09 17:19:06,035 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:19:06,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328050666] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:19:06,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:19:06,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-01-09 17:19:06,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740497388] [2025-01-09 17:19:06,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:19:06,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 17:19:06,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:19:06,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 17:19:06,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2025-01-09 17:19:06,036 INFO L87 Difference]: Start difference. First operand 325 states and 411 transitions. Second operand has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28)