./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_eq_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_eq_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 4e984a9029981b62e4f2c0c4f313850f20633ca16be8aebe99d7cc6e2f39f6fd --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:17:14,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:17:14,194 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:17:14,199 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:17:14,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:17:14,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:17:14,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:17:14,221 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:17:14,222 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:17:14,222 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:17:14,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:17:14,223 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:17:14,223 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:17:14,223 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:17:14,223 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:17:14,224 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:17:14,224 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:17:14,224 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:17:14,224 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:17:14,224 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:17:14,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:17:14,224 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:17:14,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:17:14,224 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:17:14,224 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:17:14,224 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:17:14,225 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:17:14,225 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:17:14,225 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:17:14,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:17:14,225 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:17:14,225 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:17:14,225 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:17:14,225 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:17:14,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:17:14,226 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:17:14,226 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:17:14,226 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:17:14,226 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:17:14,226 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:17:14,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:17:14,226 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:17:14,226 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:17:14,226 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:17:14,226 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:17:14,227 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 -> 4e984a9029981b62e4f2c0c4f313850f20633ca16be8aebe99d7cc6e2f39f6fd [2025-01-09 17:17:14,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:17:14,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:17:14,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:17:14,458 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:17:14,458 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:17:14,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i [2025-01-09 17:17:15,698 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0c3ff3af4/0ece52d031c34a92856223ab0ecd5670/FLAGbaebdf78b [2025-01-09 17:17:16,277 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:17:16,277 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i [2025-01-09 17:17:16,320 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0c3ff3af4/0ece52d031c34a92856223ab0ecd5670/FLAGbaebdf78b [2025-01-09 17:17:16,785 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0c3ff3af4/0ece52d031c34a92856223ab0ecd5670 [2025-01-09 17:17:16,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:17:16,789 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:17:16,790 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:17:16,790 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:17:16,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:17:16,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:17:16" (1/1) ... [2025-01-09 17:17:16,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18dc2c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:16, skipping insertion in model container [2025-01-09 17:17:16,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:17:16" (1/1) ... [2025-01-09 17:17:16,884 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:17:17,044 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_eq_harness.i[4491,4504] [2025-01-09 17:17:17,051 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_eq_harness.i[4551,4564] [2025-01-09 17:17:18,195 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:18,196 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:18,197 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:18,198 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:18,200 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:18,209 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:18,209 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:18,210 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:18,211 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:18,212 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:18,212 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:18,213 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:18,213 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:18,926 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:18,929 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:18,986 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:18,987 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:18,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:18,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,021 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,022 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,022 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,022 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,022 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,022 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,023 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,054 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_eq_harness.i[228146,228159] [2025-01-09 17:17:19,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:17:19,081 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:17:19,091 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_eq_harness.i[4491,4504] [2025-01-09 17:17:19,092 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_eq_harness.i[4551,4564] [2025-01-09 17:17:19,115 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,116 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,116 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,116 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,117 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,122 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,126 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,127 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,127 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,127 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,128 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,128 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,128 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2025-01-09 17:17:19,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,304 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,304 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,316 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,316 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,317 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,317 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,317 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,317 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,317 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:17:19,328 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_eq_harness.i[228146,228159] [2025-01-09 17:17:19,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:17:19,495 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:17:19,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:19 WrapperNode [2025-01-09 17:17:19,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:17:19,496 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:17:19,496 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:17:19,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:17:19,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:19" (1/1) ... [2025-01-09 17:17:19,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:19" (1/1) ... [2025-01-09 17:17:19,647 INFO L138 Inliner]: procedures = 763, calls = 2450, calls flagged for inlining = 69, calls inlined = 18, statements flattened = 968 [2025-01-09 17:17:19,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:17:19,648 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:17:19,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:17:19,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:17:19,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:19" (1/1) ... [2025-01-09 17:17:19,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:19" (1/1) ... [2025-01-09 17:17:19,678 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:19" (1/1) ... [2025-01-09 17:17:19,736 INFO L175 MemorySlicer]: Split 320 memory accesses to 11 slices as follows [238, 2, 6, 5, 2, 13, 39, 3, 3, 4, 5]. 74 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [6, 2, 0, 1, 0, 0, 0, 0, 0, 0, 5]. The 250 writes are split as follows [232, 0, 2, 2, 1, 1, 5, 3, 1, 3, 0]. [2025-01-09 17:17:19,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:19" (1/1) ... [2025-01-09 17:17:19,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:19" (1/1) ... [2025-01-09 17:17:19,761 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:19" (1/1) ... [2025-01-09 17:17:19,764 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:19" (1/1) ... [2025-01-09 17:17:19,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:19" (1/1) ... [2025-01-09 17:17:19,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:19" (1/1) ... [2025-01-09 17:17:19,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:19" (1/1) ... [2025-01-09 17:17:19,801 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:17:19,802 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:17:19,802 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:17:19,802 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:17:19,806 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:19" (1/1) ... [2025-01-09 17:17:19,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:17:19,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:17:19,832 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 17:17:19,835 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 17:17:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-01-09 17:17:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-01-09 17:17:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-01-09 17:17:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-01-09 17:17:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-01-09 17:17:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-01-09 17:17:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-01-09 17:17:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-01-09 17:17:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-01-09 17:17:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-01-09 17:17:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-01-09 17:17:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-01-09 17:17:19,856 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-01-09 17:17:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_hash_table [2025-01-09 17:17:19,856 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_hash_table [2025-01-09 17:17:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-01-09 17:17:19,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-01-09 17:17:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:17:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_get_entry_count [2025-01-09 17:17:19,857 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_get_entry_count [2025-01-09 17:17:19,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:17:19,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:17:19,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:17:19,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:17:19,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:17:19,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:17:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:17:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 17:17:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 17:17:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 17:17:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 17:17:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:17:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:17:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:17:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:17:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-01-09 17:17:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-01-09 17:17:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-01-09 17:17:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-01-09 17:17:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:17:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:17:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:17:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-01-09 17:17:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-01-09 17:17:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:17:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-01-09 17:17:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-01-09 17:17:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:17:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:17:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:17:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 17:17:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 17:17:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-01-09 17:17:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-01-09 17:17:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_allocated_hash_table [2025-01-09 17:17:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_allocated_hash_table [2025-01-09 17:17:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-01-09 17:17:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-01-09 17:17:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-01-09 17:17:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-01-09 17:17:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:17:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:17:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure check_hash_table_unchanged [2025-01-09 17:17:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hash_table_unchanged [2025-01-09 17:17:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:17:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:17:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:17:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:17:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:17:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:17:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:17:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 17:17:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 17:17:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 17:17:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 17:17:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-01-09 17:17:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-01-09 17:17:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-01-09 17:17:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-01-09 17:17:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:17:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:17:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:17:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:17:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:17:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:17:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:17:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 17:17:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 17:17:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 17:17:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 17:17:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-01-09 17:17:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-01-09 17:17:20,274 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:17:20,276 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:17:20,324 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:17:20,348 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume false; [2025-01-09 17:17:20,348 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !false; [2025-01-09 17:17:20,573 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:17:20,588 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2025-01-09 17:17:20,588 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2025-01-09 17:17:20,744 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:17:20,745 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:17:20,745 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:17:20,745 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:17:20,750 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:17:26,517 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2025-01-09 17:17:26,517 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2025-01-09 17:17:26,517 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume !false; [2025-01-09 17:17:26,518 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume false; [2025-01-09 17:17:26,518 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2025-01-09 17:17:26,518 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume false; [2025-01-09 17:17:26,518 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume !false; [2025-01-09 17:17:26,518 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##52: assume !false; [2025-01-09 17:17:26,518 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##51: assume false; [2025-01-09 17:17:26,518 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2025-01-09 17:17:26,582 INFO L? ?]: Removed 285 outVars from TransFormulas that were not future-live. [2025-01-09 17:17:26,582 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:17:26,598 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:17:26,598 INFO L312 CfgBuilder]: Removed 9 assume(true) statements. [2025-01-09 17:17:26,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:17:26 BoogieIcfgContainer [2025-01-09 17:17:26,599 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:17:26,600 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:17:26,601 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:17:26,604 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:17:26,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:17:16" (1/3) ... [2025-01-09 17:17:26,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50785e11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:17:26, skipping insertion in model container [2025-01-09 17:17:26,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:17:19" (2/3) ... [2025-01-09 17:17:26,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50785e11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:17:26, skipping insertion in model container [2025-01-09 17:17:26,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:17:26" (3/3) ... [2025-01-09 17:17:26,606 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_eq_harness.i [2025-01-09 17:17:26,623 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:17:26,628 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_eq_harness.i that has 25 procedures, 312 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-01-09 17:17:26,674 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:17:26,682 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;@6f206258, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:17:26,683 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:17:26,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 312 states, 204 states have (on average 1.2352941176470589) internal successors, (252), 198 states have internal predecessors, (252), 89 states have call successors, (89), 24 states have call predecessors, (89), 24 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2025-01-09 17:17:26,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2025-01-09 17:17:26,699 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:17:26,700 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:17:26,700 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:17:26,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:17:26,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1939877061, now seen corresponding path program 1 times [2025-01-09 17:17:26,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:17:26,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373158460] [2025-01-09 17:17:26,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:17:26,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:17:31,349 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 293 statements into 1 equivalence classes. [2025-01-09 17:17:31,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 293 of 293 statements. [2025-01-09 17:17:31,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:17:31,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:17:32,203 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2025-01-09 17:17:32,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:17:32,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373158460] [2025-01-09 17:17:32,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373158460] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:17:32,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450673163] [2025-01-09 17:17:32,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:17:32,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:17:32,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:17:32,214 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:17:32,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 17:17:36,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 293 statements into 1 equivalence classes. [2025-01-09 17:17:37,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 293 of 293 statements. [2025-01-09 17:17:37,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:17:37,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:17:37,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 5268 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 17:17:37,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:17:37,061 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2025-01-09 17:17:37,061 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:17:37,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450673163] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:17:37,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:17:37,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 17:17:37,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223130098] [2025-01-09 17:17:37,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:17:37,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 17:17:37,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:17:37,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 17:17:37,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:17:37,080 INFO L87 Difference]: Start difference. First operand has 312 states, 204 states have (on average 1.2352941176470589) internal successors, (252), 198 states have internal predecessors, (252), 89 states have call successors, (89), 24 states have call predecessors, (89), 24 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2025-01-09 17:17:37,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:17:37,119 INFO L93 Difference]: Finished difference Result 620 states and 928 transitions. [2025-01-09 17:17:37,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 17:17:37,121 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 293 [2025-01-09 17:17:37,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:17:37,129 INFO L225 Difference]: With dead ends: 620 [2025-01-09 17:17:37,129 INFO L226 Difference]: Without dead ends: 306 [2025-01-09 17:17:37,133 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:17:37,135 INFO L435 NwaCegarLoop]: 417 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, 417 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 17:17:37,136 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 17:17:37,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2025-01-09 17:17:37,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2025-01-09 17:17:37,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 192 states have (on average 1.2239583333333333) internal successors, (235), 193 states have internal predecessors, (235), 89 states have call successors, (89), 24 states have call predecessors, (89), 24 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2025-01-09 17:17:37,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 412 transitions. [2025-01-09 17:17:37,183 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 412 transitions. Word has length 293 [2025-01-09 17:17:37,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:17:37,183 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 412 transitions. [2025-01-09 17:17:37,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2025-01-09 17:17:37,183 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 412 transitions. [2025-01-09 17:17:37,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2025-01-09 17:17:37,189 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:17:37,189 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:17:37,205 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 17:17:37,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 17:17:37,391 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:17:37,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:17:37,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1539118441, now seen corresponding path program 1 times [2025-01-09 17:17:37,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:17:37,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565642896] [2025-01-09 17:17:37,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:17:37,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:17:41,421 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 293 statements into 1 equivalence classes. [2025-01-09 17:17:41,538 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 293 of 293 statements. [2025-01-09 17:17:41,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:17:41,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:17:42,794 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2025-01-09 17:17:42,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:17:42,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565642896] [2025-01-09 17:17:42,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565642896] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:17:42,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436347748] [2025-01-09 17:17:42,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:17:42,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:17:42,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:17:42,798 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:17:42,800 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 17:17:47,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 293 statements into 1 equivalence classes. [2025-01-09 17:17:48,001 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 293 of 293 statements. [2025-01-09 17:17:48,001 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:17:48,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:17:48,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 5268 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-09 17:17:48,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:17:48,787 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2025-01-09 17:17:48,787 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:17:48,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436347748] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:17:48,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:17:48,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-01-09 17:17:48,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932166483] [2025-01-09 17:17:48,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:17:48,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 17:17:48,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:17:48,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 17:17:48,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-01-09 17:17:48,795 INFO L87 Difference]: Start difference. First operand 306 states and 412 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 3 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2025-01-09 17:17:51,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:17:51,633 INFO L93 Difference]: Finished difference Result 615 states and 844 transitions. [2025-01-09 17:17:51,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 17:17:51,635 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 3 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 293 [2025-01-09 17:17:51,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:17:51,644 INFO L225 Difference]: With dead ends: 615 [2025-01-09 17:17:51,644 INFO L226 Difference]: Without dead ends: 313 [2025-01-09 17:17:51,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2025-01-09 17:17:51,646 INFO L435 NwaCegarLoop]: 356 mSDtfsCounter, 428 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 1333 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2025-01-09 17:17:51,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 1333 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2025-01-09 17:17:51,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2025-01-09 17:17:51,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2025-01-09 17:17:51,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 197 states have (on average 1.2233502538071066) internal successors, (241), 199 states have internal predecessors, (241), 90 states have call successors, (90), 24 states have call predecessors, (90), 25 states have return successors, (104), 89 states have call predecessors, (104), 89 states have call successors, (104) [2025-01-09 17:17:51,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 435 transitions. [2025-01-09 17:17:51,691 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 435 transitions. Word has length 293 [2025-01-09 17:17:51,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:17:51,692 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 435 transitions. [2025-01-09 17:17:51,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 3 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2025-01-09 17:17:51,692 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 435 transitions. [2025-01-09 17:17:51,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2025-01-09 17:17:51,697 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:17:51,698 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 7, 7, 7, 7, 7, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:17:51,716 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 17:17:51,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:17:51,899 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:17:51,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:17:51,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1161153065, now seen corresponding path program 1 times [2025-01-09 17:17:51,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:17:51,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81595805] [2025-01-09 17:17:51,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:17:51,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:17:55,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 293 statements into 1 equivalence classes. [2025-01-09 17:17:55,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 293 of 293 statements. [2025-01-09 17:17:55,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:17:55,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:17:56,605 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2025-01-09 17:17:56,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:17:56,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81595805] [2025-01-09 17:17:56,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81595805] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:17:56,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073041353] [2025-01-09 17:17:56,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:17:56,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:17:56,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:17:56,610 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 17:17:56,616 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 17:18:00,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 293 statements into 1 equivalence classes. [2025-01-09 17:18:01,466 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 293 of 293 statements. [2025-01-09 17:18:01,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:01,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:01,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 5278 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-09 17:18:01,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:18:04,116 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 404 proven. 161 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2025-01-09 17:18:04,116 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 17:18:08,448 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 785 trivial. 0 not checked. [2025-01-09 17:18:08,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073041353] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 17:18:08,448 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 17:18:08,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 11 [2025-01-09 17:18:08,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801110074] [2025-01-09 17:18:08,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 17:18:08,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-09 17:18:08,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:18:08,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-09 17:18:08,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-01-09 17:18:08,455 INFO L87 Difference]: Start difference. First operand 313 states and 435 transitions. Second operand has 11 states, 9 states have (on average 16.77777777777778) internal successors, (151), 11 states have internal predecessors, (151), 6 states have call successors, (77), 3 states have call predecessors, (77), 5 states have return successors, (78), 7 states have call predecessors, (78), 6 states have call successors, (78) [2025-01-09 17:18:13,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:18:13,521 INFO L93 Difference]: Finished difference Result 628 states and 878 transitions. [2025-01-09 17:18:13,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 17:18:13,522 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 16.77777777777778) internal successors, (151), 11 states have internal predecessors, (151), 6 states have call successors, (77), 3 states have call predecessors, (77), 5 states have return successors, (78), 7 states have call predecessors, (78), 6 states have call successors, (78) Word has length 293 [2025-01-09 17:18:13,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:18:13,525 INFO L225 Difference]: With dead ends: 628 [2025-01-09 17:18:13,525 INFO L226 Difference]: Without dead ends: 318 [2025-01-09 17:18:13,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 596 GetRequests, 580 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2025-01-09 17:18:13,528 INFO L435 NwaCegarLoop]: 355 mSDtfsCounter, 550 mSDsluCounter, 2008 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 2363 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2025-01-09 17:18:13,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 2363 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2025-01-09 17:18:13,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2025-01-09 17:18:13,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2025-01-09 17:18:13,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 201 states have (on average 1.2189054726368158) internal successors, (245), 203 states have internal predecessors, (245), 90 states have call successors, (90), 24 states have call predecessors, (90), 26 states have return successors, (102), 90 states have call predecessors, (102), 89 states have call successors, (102) [2025-01-09 17:18:13,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 437 transitions. [2025-01-09 17:18:13,564 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 437 transitions. Word has length 293 [2025-01-09 17:18:13,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:18:13,564 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 437 transitions. [2025-01-09 17:18:13,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 16.77777777777778) internal successors, (151), 11 states have internal predecessors, (151), 6 states have call successors, (77), 3 states have call predecessors, (77), 5 states have return successors, (78), 7 states have call predecessors, (78), 6 states have call successors, (78) [2025-01-09 17:18:13,564 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 437 transitions. [2025-01-09 17:18:13,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2025-01-09 17:18:13,571 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:18:13,571 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:18:13,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-09 17:18:13,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:18:13,773 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:18:13,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:18:13,773 INFO L85 PathProgramCache]: Analyzing trace with hash -412832203, now seen corresponding path program 1 times [2025-01-09 17:18:13,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:18:13,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731120823] [2025-01-09 17:18:13,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:13,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:18:17,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 317 statements into 1 equivalence classes. [2025-01-09 17:18:17,581 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 317 of 317 statements. [2025-01-09 17:18:17,581 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:17,581 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:21,391 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2025-01-09 17:18:21,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:18:21,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731120823] [2025-01-09 17:18:21,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731120823] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:18:21,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706828131] [2025-01-09 17:18:21,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:18:21,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:18:21,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:18:21,394 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:18:21,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-09 17:18:25,771 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 317 statements into 1 equivalence classes. [2025-01-09 17:18:26,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 317 of 317 statements. [2025-01-09 17:18:26,294 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:18:26,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:26,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 5304 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-09 17:18:26,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:18:28,027 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2025-01-09 17:18:28,027 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:18:28,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706828131] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:18:28,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:18:28,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2025-01-09 17:18:28,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812095373] [2025-01-09 17:18:28,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:18:28,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 17:18:28,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:18:28,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 17:18:28,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2025-01-09 17:18:28,029 INFO L87 Difference]: Start difference. First operand 318 states and 437 transitions. Second operand has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 4 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33) [2025-01-09 17:18:31,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:18:31,304 INFO L93 Difference]: Finished difference Result 541 states and 753 transitions. [2025-01-09 17:18:31,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 17:18:31,304 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 4 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33) Word has length 317 [2025-01-09 17:18:31,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:18:31,308 INFO L225 Difference]: With dead ends: 541 [2025-01-09 17:18:31,308 INFO L226 Difference]: Without dead ends: 318 [2025-01-09 17:18:31,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2025-01-09 17:18:31,310 INFO L435 NwaCegarLoop]: 354 mSDtfsCounter, 471 mSDsluCounter, 1283 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 1637 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2025-01-09 17:18:31,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 1637 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2025-01-09 17:18:31,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2025-01-09 17:18:31,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2025-01-09 17:18:31,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 201 states have (on average 1.2189054726368158) internal successors, (245), 203 states have internal predecessors, (245), 90 states have call successors, (90), 24 states have call predecessors, (90), 26 states have return successors, (97), 90 states have call predecessors, (97), 89 states have call successors, (97) [2025-01-09 17:18:31,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 432 transitions. [2025-01-09 17:18:31,338 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 432 transitions. Word has length 317 [2025-01-09 17:18:31,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:18:31,339 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 432 transitions. [2025-01-09 17:18:31,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 4 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33) [2025-01-09 17:18:31,339 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 432 transitions. [2025-01-09 17:18:31,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2025-01-09 17:18:31,343 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:18:31,344 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:18:31,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-09 17:18:31,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:18:31,544 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:18:31,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:18:31,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1547016647, now seen corresponding path program 2 times [2025-01-09 17:18:31,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:18:31,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732240183] [2025-01-09 17:18:31,545 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 17:18:31,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:18:35,070 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 317 statements into 2 equivalence classes. [2025-01-09 17:18:35,442 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 317 of 317 statements. [2025-01-09 17:18:35,442 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-09 17:18:35,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:18:38,732 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2025-01-09 17:18:38,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:18:38,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732240183] [2025-01-09 17:18:38,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732240183] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:18:38,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2434897] [2025-01-09 17:18:38,733 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 17:18:38,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:18:38,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:18:38,738 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:18:38,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-09 17:18:43,487 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 317 statements into 2 equivalence classes.