./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_put_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_put_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 ec50af203cf1d5a7d1afbba8c91c6aba29bcfe50c35892731044038eaad7c7f2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:19:01,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:19:01,538 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:19:01,543 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:19:01,545 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:19:01,562 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:19:01,563 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:19:01,563 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:19:01,563 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:19:01,563 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:19:01,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:19:01,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:19:01,564 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:19:01,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:19:01,566 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:19:01,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:19:01,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:19:01,566 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:19:01,566 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:19:01,566 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:19:01,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:19:01,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:19:01,566 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:19:01,567 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:19:01,567 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:19:01,567 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:19:01,568 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:19:01,568 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:19:01,568 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:19:01,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:19:01,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:19:01,568 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:19:01,568 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:19:01,568 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:19:01,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:19:01,568 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:19:01,568 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:19:01,568 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:19:01,568 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:19:01,568 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:19:01,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:19:01,568 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:19:01,568 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:19:01,568 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:19:01,568 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:19:01,568 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 -> ec50af203cf1d5a7d1afbba8c91c6aba29bcfe50c35892731044038eaad7c7f2 [2025-01-09 17:19:01,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:19:01,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:19:01,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:19:01,801 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:19:01,801 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:19:01,802 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i [2025-01-09 17:19:02,909 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/22c435007/b65a4998078c4200ae3a345519c7085e/FLAG9ee651eb9 [2025-01-09 17:19:03,403 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:19:03,404 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i [2025-01-09 17:19:03,433 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/22c435007/b65a4998078c4200ae3a345519c7085e/FLAG9ee651eb9 [2025-01-09 17:19:03,486 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/22c435007/b65a4998078c4200ae3a345519c7085e [2025-01-09 17:19:03,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:19:03,489 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:19:03,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:19:03,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:19:03,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:19:03,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:19:03" (1/1) ... [2025-01-09 17:19:03,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@230a5db5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:19:03, skipping insertion in model container [2025-01-09 17:19:03,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:19:03" (1/1) ... [2025-01-09 17:19:03,564 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:19:03,794 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_put_harness_negated.i[4492,4505] [2025-01-09 17:19:03,802 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_put_harness_negated.i[4552,4565] [2025-01-09 17:19:04,721 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:04,721 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:04,722 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:04,722 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:04,723 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:04,731 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:04,731 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:04,732 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:04,733 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:04,734 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:04,734 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:04,735 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:04,735 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,447 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,448 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,466 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,467 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,473 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,474 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,485 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,486 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,486 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,486 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,486 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,487 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,487 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,515 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_put_harness_negated.i[229379,229392] [2025-01-09 17:19:05,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:19:05,535 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:19:05,544 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_put_harness_negated.i[4492,4505] [2025-01-09 17:19:05,545 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_put_harness_negated.i[4552,4565] [2025-01-09 17:19:05,568 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,569 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,569 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,569 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,569 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,574 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,574 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,575 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,575 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,575 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,576 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,576 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,576 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7544-7555] [2025-01-09 17:19:05,724 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,725 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,729 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,730 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,731 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,731 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,736 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:19:05,750 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i[229379,229392] [2025-01-09 17:19:05,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:19:05,898 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:19:05,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:19:05 WrapperNode [2025-01-09 17:19:05,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:19:05,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:19:05,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:19:05,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:19:05,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:19:05" (1/1) ... [2025-01-09 17:19:05,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:19:05" (1/1) ... [2025-01-09 17:19:06,036 INFO L138 Inliner]: procedures = 764, calls = 2484, calls flagged for inlining = 71, calls inlined = 25, statements flattened = 1463 [2025-01-09 17:19:06,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:19:06,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:19:06,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:19:06,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:19:06,044 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:19:05" (1/1) ... [2025-01-09 17:19:06,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:19:05" (1/1) ... [2025-01-09 17:19:06,052 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:19:05" (1/1) ... [2025-01-09 17:19:06,059 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-01-09 17:19:06,059 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:19:05" (1/1) ... [2025-01-09 17:19:06,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:19:05" (1/1) ... [2025-01-09 17:19:06,090 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:19:05" (1/1) ... [2025-01-09 17:19:06,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:19:05" (1/1) ... [2025-01-09 17:19:06,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:19:05" (1/1) ... [2025-01-09 17:19:06,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:19:05" (1/1) ... [2025-01-09 17:19:06,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:19:05" (1/1) ... [2025-01-09 17:19:06,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:19:06,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:19:06,139 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:19:06,139 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:19:06,140 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:19:05" (1/1) ... [2025-01-09 17:19:06,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:19:06,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:19:06,168 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 17:19:06,183 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 17:19:06,202 INFO L130 BoogieDeclarations]: Found specification of procedure s_update_template_size [2025-01-09 17:19:06,202 INFO L138 BoogieDeclarations]: Found implementation of procedure s_update_template_size [2025-01-09 17:19:06,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2025-01-09 17:19:06,202 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-01-09 17:19:06,202 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-01-09 17:19:06,202 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-01-09 17:19:06,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-01-09 17:19:06,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:19:06,202 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:19:06,202 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:19:06,202 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-01-09 17:19:06,202 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-01-09 17:19:06,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2025-01-09 17:19:06,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-01-09 17:19:06,202 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_calloc [2025-01-09 17:19:06,203 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_calloc [2025-01-09 17:19:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-09 17:19:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:19:06,203 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:19:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:19:06,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:19:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2025-01-09 17:19:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-01-09 17:19:06,203 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-01-09 17:19:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:19:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:19:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-01-09 17:19:06,203 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-01-09 17:19:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-01-09 17:19:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 17:19:06,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 17:19:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-01-09 17:19:06,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-01-09 17:19:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-01-09 17:19:06,203 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-01-09 17:19:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure s_emplace_item [2025-01-09 17:19:06,203 INFO L138 BoogieDeclarations]: Found implementation of procedure s_emplace_item [2025-01-09 17:19:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:19:06,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:19:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:19:06,203 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:19:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-01-09 17:19:06,203 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-01-09 17:19:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-01-09 17:19:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-01-09 17:19:06,203 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-01-09 17:19:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-01-09 17:19:06,203 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-01-09 17:19:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:19:06,203 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:19:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:19:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-01-09 17:19:06,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-01-09 17:19:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-01-09 17:19:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-01-09 17:19:06,204 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-01-09 17:19:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-01-09 17:19:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:19:06,204 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:19:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-01-09 17:19:06,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-01-09 17:19:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-01-09 17:19:06,204 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-01-09 17:19:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:19:06,204 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:19:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-09 17:19:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-01-09 17:19:06,204 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-01-09 17:19:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure s_alloc_state [2025-01-09 17:19:06,204 INFO L138 BoogieDeclarations]: Found implementation of procedure s_alloc_state [2025-01-09 17:19:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-01-09 17:19:06,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-01-09 17:19:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 17:19:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-01-09 17:19:06,204 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-01-09 17:19:06,544 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:19:06,546 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:19:06,838 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:19:06,848 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume false; [2025-01-09 17:19:06,848 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !false; [2025-01-09 17:19:06,865 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:19:06,884 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2025-01-09 17:19:06,884 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2025-01-09 17:19:07,033 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:19:07,034 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:19:07,164 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume false; [2025-01-09 17:19:07,164 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume !false; [2025-01-09 17:19:07,164 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !false; [2025-01-09 17:19:07,164 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume false; [2025-01-09 17:19:13,531 INFO L? ?]: Removed 447 outVars from TransFormulas that were not future-live. [2025-01-09 17:19:13,531 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:19:13,545 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:19:13,545 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2025-01-09 17:19:13,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:19:13 BoogieIcfgContainer [2025-01-09 17:19:13,546 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:19:13,547 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:19:13,549 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:19:13,552 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:19:13,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:19:03" (1/3) ... [2025-01-09 17:19:13,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b32e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:19:13, skipping insertion in model container [2025-01-09 17:19:13,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:19:05" (2/3) ... [2025-01-09 17:19:13,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b32e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:19:13, skipping insertion in model container [2025-01-09 17:19:13,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:19:13" (3/3) ... [2025-01-09 17:19:13,555 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_put_harness_negated.i [2025-01-09 17:19:13,566 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:19:13,567 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_put_harness_negated.i that has 30 procedures, 410 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2025-01-09 17:19:13,614 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:19:13,624 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;@32b5fd0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:19:13,624 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:19:13,629 INFO L276 IsEmpty]: Start isEmpty. Operand has 410 states, 297 states have (on average 1.3063973063973064) internal successors, (388), 294 states have internal predecessors, (388), 86 states have call successors, (86), 29 states have call predecessors, (86), 29 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2025-01-09 17:19:13,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-01-09 17:19:13,639 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:19:13,639 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:19:13,639 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:19:13,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:19:13,643 INFO L85 PathProgramCache]: Analyzing trace with hash -165507982, now seen corresponding path program 1 times [2025-01-09 17:19:13,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:19:13,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797300555] [2025-01-09 17:19:13,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:19:13,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:19:18,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-09 17:19:18,456 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-09 17:19:18,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:19:18,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:19:18,875 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2025-01-09 17:19:18,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:19:18,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797300555] [2025-01-09 17:19:18,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797300555] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:19:18,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140604895] [2025-01-09 17:19:18,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:19:18,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:19:18,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:19:18,878 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 17:19:18,880 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 17:19:23,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-09 17:19:23,626 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-09 17:19:23,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:19:23,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:19:23,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 4495 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 17:19:23,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:19:23,666 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2025-01-09 17:19:23,667 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:19:23,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1140604895] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:19:23,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:19:23,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 17:19:23,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882117170] [2025-01-09 17:19:23,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:19:23,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 17:19:23,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:19:23,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 17:19:23,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:19:23,689 INFO L87 Difference]: Start difference. First operand has 410 states, 297 states have (on average 1.3063973063973064) internal successors, (388), 294 states have internal predecessors, (388), 86 states have call successors, (86), 29 states have call predecessors, (86), 29 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-01-09 17:19:23,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:19:23,743 INFO L93 Difference]: Finished difference Result 814 states and 1168 transitions. [2025-01-09 17:19:23,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 17:19:23,745 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 134 [2025-01-09 17:19:23,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:19:23,752 INFO L225 Difference]: With dead ends: 814 [2025-01-09 17:19:23,752 INFO L226 Difference]: Without dead ends: 404 [2025-01-09 17:19:23,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 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 17:19:23,767 INFO L435 NwaCegarLoop]: 549 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, 549 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 17:19:23,769 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 17:19:23,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2025-01-09 17:19:23,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2025-01-09 17:19:23,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 288 states have (on average 1.2951388888888888) internal successors, (373), 289 states have internal predecessors, (373), 86 states have call successors, (86), 29 states have call predecessors, (86), 29 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-01-09 17:19:23,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 544 transitions. [2025-01-09 17:19:23,825 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 544 transitions. Word has length 134 [2025-01-09 17:19:23,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:19:23,826 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 544 transitions. [2025-01-09 17:19:23,827 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-01-09 17:19:23,827 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 544 transitions. [2025-01-09 17:19:23,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-01-09 17:19:23,829 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:19:23,829 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:19:23,845 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 17:19:24,030 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 17:19:24,031 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:19:24,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:19:24,032 INFO L85 PathProgramCache]: Analyzing trace with hash 748590520, now seen corresponding path program 1 times [2025-01-09 17:19:24,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:19:24,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028500496] [2025-01-09 17:19:24,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:19:24,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:19:27,980 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-09 17:19:28,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-09 17:19:28,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:19:28,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:19:29,169 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2025-01-09 17:19:29,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:19:29,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028500496] [2025-01-09 17:19:29,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028500496] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:19:29,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:19:29,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 17:19:29,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991084002] [2025-01-09 17:19:29,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:19:29,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 17:19:29,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:19:29,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 17:19:29,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:19:29,171 INFO L87 Difference]: Start difference. First operand 404 states and 544 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2025-01-09 17:19:29,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:19:29,383 INFO L93 Difference]: Finished difference Result 804 states and 1086 transitions. [2025-01-09 17:19:29,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 17:19:29,389 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 134 [2025-01-09 17:19:29,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:19:29,394 INFO L225 Difference]: With dead ends: 804 [2025-01-09 17:19:29,394 INFO L226 Difference]: Without dead ends: 409 [2025-01-09 17:19:29,396 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:19:29,396 INFO L435 NwaCegarLoop]: 541 mSDtfsCounter, 0 mSDsluCounter, 1619 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2160 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 17:19:29,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2160 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 17:19:29,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2025-01-09 17:19:29,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2025-01-09 17:19:29,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 292 states have (on average 1.2910958904109588) internal successors, (377), 293 states have internal predecessors, (377), 86 states have call successors, (86), 29 states have call predecessors, (86), 30 states have return successors, (89), 86 states have call predecessors, (89), 85 states have call successors, (89) [2025-01-09 17:19:29,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 552 transitions. [2025-01-09 17:19:29,431 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 552 transitions. Word has length 134 [2025-01-09 17:19:29,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:19:29,431 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 552 transitions. [2025-01-09 17:19:29,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2025-01-09 17:19:29,432 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 552 transitions. [2025-01-09 17:19:29,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-01-09 17:19:29,433 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:19:29,433 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:19:29,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 17:19:29,433 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:19:29,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:19:29,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1178424356, now seen corresponding path program 1 times [2025-01-09 17:19:29,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:19:29,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977744020] [2025-01-09 17:19:29,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:19:29,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:19:33,400 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-01-09 17:19:33,530 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-01-09 17:19:33,530 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:19:33,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:19:36,827 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2025-01-09 17:19:36,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:19:36,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977744020] [2025-01-09 17:19:36,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977744020] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:19:36,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:19:36,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-09 17:19:36,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565811329] [2025-01-09 17:19:36,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:19:36,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-09 17:19:36,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:19:36,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-09 17:19:36,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-01-09 17:19:36,829 INFO L87 Difference]: Start difference. First operand 409 states and 552 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-01-09 17:19:40,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 17:19:45,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 17:19:49,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 17:19:54,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 17:19:59,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:19:59,728 INFO L93 Difference]: Finished difference Result 805 states and 1086 transitions. [2025-01-09 17:19:59,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-09 17:19:59,733 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 140 [2025-01-09 17:19:59,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:19:59,736 INFO L225 Difference]: With dead ends: 805 [2025-01-09 17:19:59,737 INFO L226 Difference]: Without dead ends: 417 [2025-01-09 17:19:59,738 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-01-09 17:19:59,740 INFO L435 NwaCegarLoop]: 535 mSDtfsCounter, 11 mSDsluCounter, 3515 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 4050 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2025-01-09 17:19:59,740 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 4050 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 273 Invalid, 4 Unknown, 0 Unchecked, 22.3s Time] [2025-01-09 17:19:59,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2025-01-09 17:19:59,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 414. [2025-01-09 17:19:59,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 296 states have (on average 1.2905405405405406) internal successors, (382), 298 states have internal predecessors, (382), 86 states have call successors, (86), 29 states have call predecessors, (86), 31 states have return successors, (90), 86 states have call predecessors, (90), 85 states have call successors, (90) [2025-01-09 17:19:59,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 558 transitions. [2025-01-09 17:19:59,768 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 558 transitions. Word has length 140 [2025-01-09 17:19:59,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:19:59,769 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 558 transitions. [2025-01-09 17:19:59,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-01-09 17:19:59,770 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 558 transitions. [2025-01-09 17:19:59,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-01-09 17:19:59,774 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:19:59,775 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:19:59,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 17:19:59,775 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:19:59,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:19:59,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1205500382, now seen corresponding path program 1 times [2025-01-09 17:19:59,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:19:59,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878892433] [2025-01-09 17:19:59,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:19:59,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:20:03,349 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-01-09 17:20:03,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-01-09 17:20:03,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:20:03,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:20:04,319 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2025-01-09 17:20:04,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:20:04,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878892433] [2025-01-09 17:20:04,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878892433] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:20:04,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:20:04,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 17:20:04,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084846721] [2025-01-09 17:20:04,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:20:04,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 17:20:04,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:20:04,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 17:20:04,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:20:04,324 INFO L87 Difference]: Start difference. First operand 414 states and 558 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2025-01-09 17:20:04,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:20:04,742 INFO L93 Difference]: Finished difference Result 812 states and 1094 transitions. [2025-01-09 17:20:04,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 17:20:04,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 140 [2025-01-09 17:20:04,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:20:04,745 INFO L225 Difference]: With dead ends: 812 [2025-01-09 17:20:04,745 INFO L226 Difference]: Without dead ends: 412 [2025-01-09 17:20:04,746 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:20:04,751 INFO L435 NwaCegarLoop]: 541 mSDtfsCounter, 83 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 1503 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-09 17:20:04,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 1503 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-09 17:20:04,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2025-01-09 17:20:04,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2025-01-09 17:20:04,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 294 states have (on average 1.2857142857142858) internal successors, (378), 296 states have internal predecessors, (378), 86 states have call successors, (86), 29 states have call predecessors, (86), 31 states have return successors, (90), 86 states have call predecessors, (90), 85 states have call successors, (90) [2025-01-09 17:20:04,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 554 transitions. [2025-01-09 17:20:04,772 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 554 transitions. Word has length 140 [2025-01-09 17:20:04,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:20:04,772 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 554 transitions. [2025-01-09 17:20:04,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2025-01-09 17:20:04,774 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 554 transitions. [2025-01-09 17:20:04,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-01-09 17:20:04,776 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:20:04,776 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:20:04,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 17:20:04,776 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:20:04,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:20:04,777 INFO L85 PathProgramCache]: Analyzing trace with hash 338638762, now seen corresponding path program 1 times [2025-01-09 17:20:04,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:20:04,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130606126] [2025-01-09 17:20:04,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:20:04,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:20:08,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-01-09 17:20:08,563 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-01-09 17:20:08,564 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:20:08,564 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:20:10,731 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2025-01-09 17:20:10,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:20:10,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130606126] [2025-01-09 17:20:10,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130606126] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:20:10,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297438267] [2025-01-09 17:20:10,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:20:10,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:20:10,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:20:10,734 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 17:20:10,735 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 17:20:14,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-01-09 17:20:15,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-01-09 17:20:15,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:20:15,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:20:15,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 4523 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-01-09 17:20:15,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:20:17,680 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-09 17:20:17,684 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:20:17,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297438267] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:20:17,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:20:17,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2025-01-09 17:20:17,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710250451] [2025-01-09 17:20:17,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:20:17,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-09 17:20:17,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:20:17,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-09 17:20:17,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2025-01-09 17:20:17,690 INFO L87 Difference]: Start difference. First operand 412 states and 554 transitions. Second operand has 9 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 3 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2025-01-09 17:20:21,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:20:21,017 INFO L93 Difference]: Finished difference Result 809 states and 1092 transitions. [2025-01-09 17:20:21,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 17:20:21,018 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 3 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) Word has length 146 [2025-01-09 17:20:21,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:20:21,022 INFO L225 Difference]: With dead ends: 809 [2025-01-09 17:20:21,026 INFO L226 Difference]: Without dead ends: 418 [2025-01-09 17:20:21,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2025-01-09 17:20:21,028 INFO L435 NwaCegarLoop]: 520 mSDtfsCounter, 0 mSDsluCounter, 3590 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4110 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2025-01-09 17:20:21,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4110 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2025-01-09 17:20:21,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2025-01-09 17:20:21,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 415. [2025-01-09 17:20:21,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 296 states have (on average 1.2837837837837838) internal successors, (380), 298 states have internal predecessors, (380), 86 states have call successors, (86), 29 states have call predecessors, (86), 32 states have return successors, (97), 87 states have call predecessors, (97), 85 states have call successors, (97) [2025-01-09 17:20:21,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 563 transitions. [2025-01-09 17:20:21,050 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 563 transitions. Word has length 146 [2025-01-09 17:20:21,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:20:21,051 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 563 transitions. [2025-01-09 17:20:21,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 3 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2025-01-09 17:20:21,051 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 563 transitions. [2025-01-09 17:20:21,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2025-01-09 17:20:21,052 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:20:21,052 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:20:21,071 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 17:20:21,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:20:21,257 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:20:21,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:20:21,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1025530364, now seen corresponding path program 1 times [2025-01-09 17:20:21,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:20:21,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773789325] [2025-01-09 17:20:21,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:20:21,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:20:24,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes. [2025-01-09 17:20:25,314 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 153 of 153 statements. [2025-01-09 17:20:25,314 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:20:25,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat