./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 73d0fc2a1532f0dbe88956ef9fb1a19856bd3ec52801d3ed611d85534d86cd8d --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:17:50,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:17:50,310 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:17:50,316 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:17:50,316 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:17:50,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:17:50,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:17:50,332 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:17:50,332 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:17:50,332 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:17:50,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:17:50,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:17:50,333 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:17:50,333 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:17:50,333 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:17:50,333 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:17:50,333 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:17:50,333 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:17:50,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:17:50,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:17:50,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:17:50,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:17:50,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:17:50,334 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:17:50,334 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:17:50,334 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:17:50,334 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:17:50,334 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:17:50,334 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:17:50,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:17:50,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:17:50,334 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:17:50,334 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:17:50,334 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:17:50,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:17:50,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:17:50,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:17:50,335 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:17:50,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:17:50,335 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:17:50,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:17:50,335 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:17:50,335 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:17:50,335 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:17:50,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:17:50,336 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 -> 73d0fc2a1532f0dbe88956ef9fb1a19856bd3ec52801d3ed611d85534d86cd8d [2025-01-09 17:17:50,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:17:50,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:17:50,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:17:50,601 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:17:50,602 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:17:50,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i [2025-01-09 17:17:51,774 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bb9f2c522/97419803bc834e3b97927dae79829276/FLAG10e9c3a9b [2025-01-09 17:17:52,392 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:17:52,393 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i [2025-01-09 17:17:52,429 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bb9f2c522/97419803bc834e3b97927dae79829276/FLAG10e9c3a9b [2025-01-09 17:17:52,878 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bb9f2c522/97419803bc834e3b97927dae79829276 [2025-01-09 17:17:52,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:17:52,881 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:17:52,882 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:17:52,882 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:17:52,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:17:52,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:17:52" (1/1) ... [2025-01-09 17:17:52,886 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@569ebe76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:52, skipping insertion in model container [2025-01-09 17:17:52,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:17:52" (1/1) ... [2025-01-09 17:17:52,966 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:17:53,162 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_foreach_harness.i[4496,4509] [2025-01-09 17:17:53,170 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_foreach_harness.i[4556,4569] [2025-01-09 17:17:53,673 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:53,673 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:53,673 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:53,674 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:53,675 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:53,684 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:53,684 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:53,686 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:53,686 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:53,687 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:53,688 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:53,689 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:53,689 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,385 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,385 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,407 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,408 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,412 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,412 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,423 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,425 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,425 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,425 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,430 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,465 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_foreach_harness.i[227600,227613] [2025-01-09 17:17:54,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:17:54,500 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:17:54,510 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_foreach_harness.i[4496,4509] [2025-01-09 17:17:54,513 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_foreach_harness.i[4556,4569] [2025-01-09 17:17:54,552 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,553 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,553 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,553 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,553 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,560 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,561 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,562 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,562 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,562 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,564 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,564 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,564 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,628 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2025-01-09 17:17:54,725 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,725 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,731 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,732 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,734 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,734 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,742 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,745 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,745 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:54,762 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_foreach_harness.i[227600,227613] [2025-01-09 17:17:54,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:17:54,922 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:17:54,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:54 WrapperNode [2025-01-09 17:17:54,925 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:17:54,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:17:54,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:17:54,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:17:54,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:54" (1/1) ... [2025-01-09 17:17:54,986 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:54" (1/1) ... [2025-01-09 17:17:55,066 INFO L138 Inliner]: procedures = 764, calls = 2430, calls flagged for inlining = 70, calls inlined = 18, statements flattened = 967 [2025-01-09 17:17:55,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:17:55,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:17:55,068 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:17:55,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:17:55,076 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:54" (1/1) ... [2025-01-09 17:17:55,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:54" (1/1) ... [2025-01-09 17:17:55,092 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:54" (1/1) ... [2025-01-09 17:17:55,171 INFO L175 MemorySlicer]: Split 377 memory accesses to 7 slices as follows [2, 249, 73, 2, 2, 44, 5]. 66 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [2, 6, 9, 0, 0, 0, 5]. The 257 writes are split as follows [0, 233, 14, 1, 1, 8, 0]. [2025-01-09 17:17:55,175 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:54" (1/1) ... [2025-01-09 17:17:55,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:54" (1/1) ... [2025-01-09 17:17:55,220 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:54" (1/1) ... [2025-01-09 17:17:55,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:54" (1/1) ... [2025-01-09 17:17:55,233 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:54" (1/1) ... [2025-01-09 17:17:55,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:54" (1/1) ... [2025-01-09 17:17:55,244 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:54" (1/1) ... [2025-01-09 17:17:55,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:17:55,259 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:17:55,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:17:55,259 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:17:55,260 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:54" (1/1) ... [2025-01-09 17:17:55,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:17:55,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:17:55,285 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 17:17:55,292 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 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-01-09 17:17:55,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:17:55,306 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:17:55,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-01-09 17:17:55,306 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-01-09 17:17:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-01-09 17:17:55,307 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 17:17:55,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-01-09 17:17:55,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:17:55,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:17:55,307 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-01-09 17:17:55,307 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2025-01-09 17:17:55,307 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 17:17:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 17:17:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-01-09 17:17:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 17:17:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 17:17:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 17:17:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 17:17:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 17:17:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-01-09 17:17:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:17:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_int [2025-01-09 17:17:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_int [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2025-01-09 17:17:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-01-09 17:17:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-01-09 17:17:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-01-09 17:17:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-01-09 17:17:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-01-09 17:17:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-01-09 17:17:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:17:55,312 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:17:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2025-01-09 17:17:55,312 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2025-01-09 17:17:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:17:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:17:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:17:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:17:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:17:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:17:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:17:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-01-09 17:17:55,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-01-09 17:17:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:17:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:17:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:17:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:17:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:17:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:17:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:17:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-01-09 17:17:55,312 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-01-09 17:17:55,589 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:17:55,592 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:17:55,778 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:17:55,780 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:17:55,851 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2025-01-09 17:17:55,851 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2025-01-09 17:17:55,851 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2025-01-09 17:17:55,851 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2025-01-09 17:17:55,991 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:18:01,577 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2025-01-09 17:18:01,577 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2025-01-09 17:18:01,645 INFO L? ?]: Removed 285 outVars from TransFormulas that were not future-live. [2025-01-09 17:18:01,648 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:18:01,664 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:18:01,666 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2025-01-09 17:18:01,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:18:01 BoogieIcfgContainer [2025-01-09 17:18:01,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:18:01,668 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:18:01,668 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:18:01,671 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:18:01,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:17:52" (1/3) ... [2025-01-09 17:18:01,672 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38e1c127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:18:01, skipping insertion in model container [2025-01-09 17:18:01,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:54" (2/3) ... [2025-01-09 17:18:01,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38e1c127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:18:01, skipping insertion in model container [2025-01-09 17:18:01,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:18:01" (3/3) ... [2025-01-09 17:18:01,674 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_foreach_harness.i [2025-01-09 17:18:01,686 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:18:01,688 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_foreach_harness.i that has 29 procedures, 325 locations, 1 initial locations, 15 loop locations, and 1 error locations. [2025-01-09 17:18:01,747 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:18:01,758 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;@3d5e2405, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:18:01,758 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:18:01,762 INFO L276 IsEmpty]: Start isEmpty. Operand has 305 states, 203 states have (on average 1.2857142857142858) internal successors, (261), 200 states have internal predecessors, (261), 81 states have call successors, (81), 23 states have call predecessors, (81), 23 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2025-01-09 17:18:01,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-01-09 17:18:01,774 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:18:01,774 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:18:01,775 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:18:01,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:18:01,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1280568505, now seen corresponding path program 1 times [2025-01-09 17:18:01,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:18:01,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449587860] [2025-01-09 17:18:01,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:01,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:18:06,489 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-01-09 17:18:06,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-01-09 17:18:06,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:06,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:07,014 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2025-01-09 17:18:07,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:18:07,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449587860] [2025-01-09 17:18:07,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449587860] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:18:07,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299042804] [2025-01-09 17:18:07,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:07,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:18:07,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:18:07,018 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:18:07,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 17:18:11,443 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-01-09 17:18:11,947 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-01-09 17:18:11,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:11,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:11,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 4359 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 17:18:11,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:18:11,995 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2025-01-09 17:18:11,995 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:18:11,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299042804] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:18:11,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:18:11,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 17:18:12,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615499348] [2025-01-09 17:18:12,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:18:12,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 17:18:12,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:18:12,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 17:18:12,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:18:12,031 INFO L87 Difference]: Start difference. First operand has 305 states, 203 states have (on average 1.2857142857142858) internal successors, (261), 200 states have internal predecessors, (261), 81 states have call successors, (81), 23 states have call predecessors, (81), 23 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 17:18:12,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:18:12,074 INFO L93 Difference]: Finished difference Result 601 states and 899 transitions. [2025-01-09 17:18:12,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 17:18:12,075 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 121 [2025-01-09 17:18:12,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:18:12,083 INFO L225 Difference]: With dead ends: 601 [2025-01-09 17:18:12,084 INFO L226 Difference]: Without dead ends: 299 [2025-01-09 17:18:12,089 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 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 17:18:12,091 INFO L435 NwaCegarLoop]: 410 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, 410 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 17:18:12,092 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 17:18:12,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2025-01-09 17:18:12,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2025-01-09 17:18:12,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 194 states have (on average 1.2577319587628866) internal successors, (244), 195 states have internal predecessors, (244), 81 states have call successors, (81), 23 states have call predecessors, (81), 23 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2025-01-09 17:18:12,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 405 transitions. [2025-01-09 17:18:12,164 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 405 transitions. Word has length 121 [2025-01-09 17:18:12,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:18:12,165 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 405 transitions. [2025-01-09 17:18:12,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 17:18:12,166 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 405 transitions. [2025-01-09 17:18:12,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-01-09 17:18:12,168 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:18:12,168 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:18:12,186 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 17:18:12,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 17:18:12,372 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:18:12,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:18:12,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1684420044, now seen corresponding path program 1 times [2025-01-09 17:18:12,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:18:12,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643194448] [2025-01-09 17:18:12,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:12,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:18:16,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-01-09 17:18:16,370 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-01-09 17:18:16,370 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:16,370 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:17,289 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2025-01-09 17:18:17,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:18:17,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643194448] [2025-01-09 17:18:17,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643194448] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:18:17,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:18:17,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 17:18:17,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812869804] [2025-01-09 17:18:17,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:18:17,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 17:18:17,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:18:17,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 17:18:17,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:18:17,291 INFO L87 Difference]: Start difference. First operand 299 states and 405 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 17:18:17,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:18:17,521 INFO L93 Difference]: Finished difference Result 558 states and 763 transitions. [2025-01-09 17:18:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 17:18:17,522 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 127 [2025-01-09 17:18:17,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:18:17,525 INFO L225 Difference]: With dead ends: 558 [2025-01-09 17:18:17,527 INFO L226 Difference]: Without dead ends: 304 [2025-01-09 17:18:17,529 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 17:18:17,530 INFO L435 NwaCegarLoop]: 402 mSDtfsCounter, 0 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1604 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 17:18:17,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1604 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 17:18:17,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2025-01-09 17:18:17,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2025-01-09 17:18:17,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 198 states have (on average 1.2525252525252526) internal successors, (248), 199 states have internal predecessors, (248), 81 states have call successors, (81), 23 states have call predecessors, (81), 24 states have return successors, (81), 81 states have call predecessors, (81), 80 states have call successors, (81) [2025-01-09 17:18:17,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 410 transitions. [2025-01-09 17:18:17,552 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 410 transitions. Word has length 127 [2025-01-09 17:18:17,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:18:17,553 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 410 transitions. [2025-01-09 17:18:17,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 17:18:17,553 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 410 transitions. [2025-01-09 17:18:17,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-01-09 17:18:17,555 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:18:17,555 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:18:17,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 17:18:17,555 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:18:17,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:18:17,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1595797942, now seen corresponding path program 1 times [2025-01-09 17:18:17,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:18:17,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534762228] [2025-01-09 17:18:17,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:17,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:18:21,201 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-01-09 17:18:21,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-01-09 17:18:21,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:21,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:24,948 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-01-09 17:18:24,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:18:24,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534762228] [2025-01-09 17:18:24,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534762228] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:18:24,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727925649] [2025-01-09 17:18:24,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:24,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:18:24,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:18:24,952 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 17:18:24,953 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 17:18:29,126 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-01-09 17:18:29,528 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-01-09 17:18:29,528 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:29,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:29,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 4388 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 17:18:29,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:18:33,141 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2025-01-09 17:18:33,141 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 17:18:36,825 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2025-01-09 17:18:36,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727925649] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-09 17:18:36,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-01-09 17:18:36,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10, 8] total 21 [2025-01-09 17:18:36,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523908062] [2025-01-09 17:18:36,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:18:36,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 17:18:36,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:18:36,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 17:18:36,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-01-09 17:18:36,828 INFO L87 Difference]: Start difference. First operand 304 states and 410 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 5 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2025-01-09 17:18:40,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:18:40,254 INFO L93 Difference]: Finished difference Result 551 states and 770 transitions. [2025-01-09 17:18:40,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 17:18:40,255 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 5 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) Word has length 133 [2025-01-09 17:18:40,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:18:40,260 INFO L225 Difference]: With dead ends: 551 [2025-01-09 17:18:40,261 INFO L226 Difference]: Without dead ends: 325 [2025-01-09 17:18:40,262 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 254 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2025-01-09 17:18:40,262 INFO L435 NwaCegarLoop]: 366 mSDtfsCounter, 433 mSDsluCounter, 1458 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 1824 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2025-01-09 17:18:40,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 1824 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2025-01-09 17:18:40,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2025-01-09 17:18:40,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 319. [2025-01-09 17:18:40,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 206 states have (on average 1.2524271844660195) internal successors, (258), 208 states have internal predecessors, (258), 86 states have call successors, (86), 24 states have call predecessors, (86), 26 states have return successors, (93), 86 states have call predecessors, (93), 85 states have call successors, (93) [2025-01-09 17:18:40,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 437 transitions. [2025-01-09 17:18:40,304 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 437 transitions. Word has length 133 [2025-01-09 17:18:40,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:18:40,304 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 437 transitions. [2025-01-09 17:18:40,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 5 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2025-01-09 17:18:40,304 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 437 transitions. [2025-01-09 17:18:40,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-01-09 17:18:40,307 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:18:40,307 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:18:40,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 17:18:40,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:18:40,508 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:18:40,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:18:40,508 INFO L85 PathProgramCache]: Analyzing trace with hash 124434496, now seen corresponding path program 1 times [2025-01-09 17:18:40,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:18:40,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796598619] [2025-01-09 17:18:40,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:40,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:18:44,037 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-09 17:18:44,209 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-09 17:18:44,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:44,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:47,407 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-01-09 17:18:47,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:18:47,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796598619] [2025-01-09 17:18:47,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796598619] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:18:47,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320044099] [2025-01-09 17:18:47,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:47,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:18:47,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:18:47,411 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 17:18:47,413 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 17:18:51,903 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-09 17:18:52,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-09 17:18:52,375 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:52,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:52,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 4393 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-01-09 17:18:52,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:18:53,967 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 22 treesize of output 1 [2025-01-09 17:18:57,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 25 [2025-01-09 17:19:00,142 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2025-01-09 17:19:00,142 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:19:00,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320044099] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:19:00,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:19:00,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [10] total 23 [2025-01-09 17:19:00,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035914774] [2025-01-09 17:19:00,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:19:00,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-09 17:19:00,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:19:00,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-09 17:19:00,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2025-01-09 17:19:00,146 INFO L87 Difference]: Start difference. First operand 319 states and 437 transitions. Second operand has 15 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 8 states have call successors, (22), 5 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) [2025-01-09 17:19:04,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-01-09 17:19:08,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-01-09 17:19:12,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-01-09 17:19:16,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-01-09 17:19:21,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-01-09 17:19:25,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]