./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 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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-?-798a7b3-m [2025-03-04 02:54:16,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:54:16,600 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:54:16,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:54:16,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:54:16,626 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:54:16,627 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:54:16,627 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:54:16,627 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:54:16,628 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:54:16,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:54:16,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:54:16,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:54:16,629 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:54:16,629 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:54:16,629 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:54:16,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:54:16,630 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:54:16,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:54:16,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:54:16,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:54:16,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:54:16,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:54:16,630 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:54:16,630 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:54:16,630 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:54:16,630 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:54:16,630 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:54:16,630 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:54:16,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:54:16,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:54:16,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:54:16,631 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:54:16,631 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:54:16,631 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:54:16,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:54:16,631 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:54:16,631 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:54:16,632 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:54:16,632 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:54:16,632 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/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 [2025-03-04 02:54:16,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:54:16,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:54:16,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:54:16,875 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:54:16,875 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:54:16,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i [2025-03-04 02:54:18,148 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c712eb9e6/4595be9f283e48908fe71e283e807c25/FLAGd058342ff [2025-03-04 02:54:18,621 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:54:18,622 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i [2025-03-04 02:54:18,666 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c712eb9e6/4595be9f283e48908fe71e283e807c25/FLAGd058342ff [2025-03-04 02:54:18,697 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c712eb9e6/4595be9f283e48908fe71e283e807c25 [2025-03-04 02:54:18,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:54:18,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:54:18,701 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:54:18,701 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:54:18,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:54:18,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:54:18" (1/1) ... [2025-03-04 02:54:18,707 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5efaf1ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:18, skipping insertion in model container [2025-03-04 02:54:18,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:54:18" (1/1) ... [2025-03-04 02:54:18,791 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:54:19,013 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i[4491,4504] [2025-03-04 02:54:19,022 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i[4551,4564] [2025-03-04 02:54:19,678 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:19,679 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:19,679 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:19,682 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:19,682 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:19,692 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:19,693 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:19,694 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:19,694 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:19,695 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:19,696 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:19,696 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:19,696 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,371 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,371 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,391 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,391 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,395 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,396 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,405 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,406 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,406 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,406 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,407 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,408 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,408 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,430 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i[228146,228159] [2025-03-04 02:54:20,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:54:20,460 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:54:20,472 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i[4491,4504] [2025-03-04 02:54:20,472 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i[4551,4564] [2025-03-04 02:54:20,501 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,501 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,501 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,502 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,502 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,507 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,507 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,508 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,508 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,509 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,510 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,510 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,510 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2025-03-04 02:54:20,669 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,669 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,675 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,675 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,677 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,678 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,685 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,686 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,686 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,686 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,687 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,687 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,687 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:20,701 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i[228146,228159] [2025-03-04 02:54:20,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:54:20,878 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:54:20,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:20 WrapperNode [2025-03-04 02:54:20,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:54:20,880 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:54:20,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:54:20,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:54:20,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:20" (1/1) ... [2025-03-04 02:54:20,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:20" (1/1) ... [2025-03-04 02:54:21,011 INFO L138 Inliner]: procedures = 763, calls = 2450, calls flagged for inlining = 69, calls inlined = 18, statements flattened = 968 [2025-03-04 02:54:21,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:54:21,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:54:21,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:54:21,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:54:21,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:20" (1/1) ... [2025-03-04 02:54:21,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:20" (1/1) ... [2025-03-04 02:54:21,025 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:20" (1/1) ... [2025-03-04 02:54:21,108 INFO L175 MemorySlicer]: Split 320 memory accesses to 11 slices as follows [238, 2, 13, 3, 39, 5, 3, 4, 6, 2, 5]. 74 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [6, 2, 0, 0, 0, 1, 0, 0, 0, 0, 5]. The 250 writes are split as follows [232, 0, 1, 3, 5, 2, 1, 3, 2, 1, 0]. [2025-03-04 02:54:21,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:20" (1/1) ... [2025-03-04 02:54:21,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:20" (1/1) ... [2025-03-04 02:54:21,145 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:20" (1/1) ... [2025-03-04 02:54:21,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:20" (1/1) ... [2025-03-04 02:54:21,165 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:20" (1/1) ... [2025-03-04 02:54:21,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:20" (1/1) ... [2025-03-04 02:54:21,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:54:21,185 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:54:21,185 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:54:21,185 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:54:21,185 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:20" (1/1) ... [2025-03-04 02:54:21,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:54:21,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:54:21,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 02:54:21,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 02:54:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-04 02:54:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-04 02:54:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-04 02:54:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-04 02:54:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-04 02:54:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-04 02:54:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-04 02:54:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-04 02:54:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-03-04 02:54:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-03-04 02:54:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-03-04 02:54:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-03-04 02:54:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-03-04 02:54:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_hash_table [2025-03-04 02:54:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_hash_table [2025-03-04 02:54:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-03-04 02:54:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-03-04 02:54:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:54:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_get_entry_count [2025-03-04 02:54:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_get_entry_count [2025-03-04 02:54:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:54:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:54:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:54:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:54:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:54:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:54:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:54:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 02:54:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 02:54:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-04 02:54:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-04 02:54:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:54:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:54:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:54:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:54:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:54:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:54:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:54:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 02:54:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 02:54:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-04 02:54:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-04 02:54:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 02:54:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 02:54:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:54:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:54:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-04 02:54:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-04 02:54:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:54:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:54:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-04 02:54:21,242 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-04 02:54:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:54:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:54:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:54:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:54:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:54:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:54:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:54:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 02:54:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 02:54:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-04 02:54:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-04 02:54:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-03-04 02:54:21,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-03-04 02:54:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-03-04 02:54:21,242 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-03-04 02:54:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:54:21,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:54:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:54:21,242 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:54:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-04 02:54:21,242 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-04 02:54:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:54:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:54:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:54:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:54:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:54:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:54:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:54:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 02:54:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 02:54:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-04 02:54:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-04 02:54:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-03-04 02:54:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-03-04 02:54:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:54:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:54:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:54:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-04 02:54:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-04 02:54:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:54:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:54:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:54:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:54:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:54:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:54:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:54:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 02:54:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 02:54:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-04 02:54:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-04 02:54:21,244 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-04 02:54:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-04 02:54:21,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:54:21,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:54:21,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:54:21,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:54:21,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:54:21,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:54:21,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:54:21,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 02:54:21,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-04 02:54:21,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-04 02:54:21,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-04 02:54:21,246 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_allocated_hash_table [2025-03-04 02:54:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_allocated_hash_table [2025-03-04 02:54:21,246 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-04 02:54:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-04 02:54:21,246 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-04 02:54:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-04 02:54:21,246 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:54:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:54:21,246 INFO L130 BoogieDeclarations]: Found specification of procedure check_hash_table_unchanged [2025-03-04 02:54:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hash_table_unchanged [2025-03-04 02:54:21,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:54:21,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:54:21,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:54:21,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:54:21,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:54:21,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:54:21,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:54:21,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 02:54:21,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 02:54:21,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-04 02:54:21,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-04 02:54:21,248 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-03-04 02:54:21,248 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-03-04 02:54:21,248 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 02:54:21,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 02:54:21,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:54:21,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:54:21,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:54:21,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:54:21,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:54:21,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:54:21,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:54:21,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 02:54:21,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 02:54:21,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-04 02:54:21,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-04 02:54:21,248 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-04 02:54:21,248 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-04 02:54:21,618 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:54:21,620 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:54:21,653 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-04 02:54:21,685 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9136-1: assume false; [2025-03-04 02:54:21,685 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9136-1: assume !false; [2025-03-04 02:54:21,713 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-04 02:54:21,715 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:54:21,845 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9327: havoc #t~ret1201#1; [2025-03-04 02:54:21,903 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:54:21,926 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7373: havoc uninterpreted_hasher_#t~ret689#1; [2025-03-04 02:54:21,927 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9097-1: assume false; [2025-03-04 02:54:21,927 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9097-1: assume !false; [2025-03-04 02:54:21,979 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10103: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-04 02:54:22,002 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9990: havoc #t~mem1489.base, #t~mem1489.offset;havoc #t~short1490;havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~ret1492;havoc #t~short1493; [2025-03-04 02:54:22,006 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9146: havoc #t~mem1150; [2025-03-04 02:54:22,038 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7356: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-03-04 02:54:22,038 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7287: havoc nondet_compare_#t~ret677#1; [2025-03-04 02:54:22,038 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-04 02:54:22,059 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9123: havoc #t~ret1140; [2025-03-04 02:54:22,082 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-04 02:54:22,095 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-04 02:54:27,279 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9773-1: assume false; [2025-03-04 02:54:27,280 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9773-1: assume !false; [2025-03-04 02:54:27,280 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9410-1: assume false; [2025-03-04 02:54:27,280 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9410-1: assume !false; [2025-03-04 02:54:27,280 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9749-1: assume false; [2025-03-04 02:54:27,280 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9749-1: assume !false; [2025-03-04 02:54:27,280 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9784-1: assume false; [2025-03-04 02:54:27,280 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9784-1: assume !false; [2025-03-04 02:54:27,280 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9779-1: assume false; [2025-03-04 02:54:27,280 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9779-1: assume !false; [2025-03-04 02:54:27,387 INFO L? ?]: Removed 285 outVars from TransFormulas that were not future-live. [2025-03-04 02:54:27,387 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:54:27,426 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:54:27,426 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:54:27,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:54:27 BoogieIcfgContainer [2025-03-04 02:54:27,427 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:54:27,429 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:54:27,430 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:54:27,435 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:54:27,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:54:18" (1/3) ... [2025-03-04 02:54:27,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@325c52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:54:27, skipping insertion in model container [2025-03-04 02:54:27,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:20" (2/3) ... [2025-03-04 02:54:27,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@325c52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:54:27, skipping insertion in model container [2025-03-04 02:54:27,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:54:27" (3/3) ... [2025-03-04 02:54:27,438 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_eq_harness.i [2025-03-04 02:54:27,452 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:54:27,454 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_eq_harness.i that has 25 procedures, 311 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-03-04 02:54:27,505 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:54:27,516 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;@6f569417, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:54:27,517 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:54:27,522 INFO L276 IsEmpty]: Start isEmpty. Operand has 311 states, 203 states have (on average 1.2364532019704433) internal successors, (251), 197 states have internal predecessors, (251), 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) [2025-03-04 02:54:27,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2025-03-04 02:54:27,539 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:54:27,541 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] [2025-03-04 02:54:27,541 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:54:27,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:54:27,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1231699364, now seen corresponding path program 1 times [2025-03-04 02:54:27,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:54:27,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127215500] [2025-03-04 02:54:27,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:27,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:54:32,285 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 293 statements into 1 equivalence classes. [2025-03-04 02:54:32,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 293 of 293 statements. [2025-03-04 02:54:32,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:54:32,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:54:33,249 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2025-03-04 02:54:33,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:54:33,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127215500] [2025-03-04 02:54:33,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127215500] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:54:33,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805684253] [2025-03-04 02:54:33,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:33,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:54:33,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:54:33,258 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:54:33,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 02:54:38,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 293 statements into 1 equivalence classes. [2025-03-04 02:54:38,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 293 of 293 statements. [2025-03-04 02:54:38,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:54:38,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:54:38,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 5303 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 02:54:38,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:54:38,783 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2025-03-04 02:54:38,783 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:54:38,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805684253] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:54:38,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:54:38,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 02:54:38,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749255248] [2025-03-04 02:54:38,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:54:38,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 02:54:38,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:54:38,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 02:54:38,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 02:54:38,812 INFO L87 Difference]: Start difference. First operand has 311 states, 203 states have (on average 1.2364532019704433) internal successors, (251), 197 states have internal predecessors, (251), 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) [2025-03-04 02:54:38,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:54:38,904 INFO L93 Difference]: Finished difference Result 618 states and 926 transitions. [2025-03-04 02:54:38,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 02:54:38,906 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 [2025-03-04 02:54:38,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:54:38,915 INFO L225 Difference]: With dead ends: 618 [2025-03-04 02:54:38,915 INFO L226 Difference]: Without dead ends: 305 [2025-03-04 02:54:38,921 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 [2025-03-04 02:54:38,923 INFO L435 NwaCegarLoop]: 412 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 02:54:38,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 412 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 02:54:38,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2025-03-04 02:54:38,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2025-03-04 02:54:38,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 191 states have (on average 1.225130890052356) internal successors, (234), 192 states have internal predecessors, (234), 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) [2025-03-04 02:54:38,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 411 transitions. [2025-03-04 02:54:38,987 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 411 transitions. Word has length 293 [2025-03-04 02:54:38,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:54:38,987 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 411 transitions. [2025-03-04 02:54:38,989 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) [2025-03-04 02:54:38,989 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 411 transitions. [2025-03-04 02:54:38,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2025-03-04 02:54:38,998 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:54:38,999 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] [2025-03-04 02:54:39,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 02:54:39,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-04 02:54:39,200 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:54:39,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:54:39,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1323770181, now seen corresponding path program 1 times [2025-03-04 02:54:39,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:54:39,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670581829] [2025-03-04 02:54:39,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:39,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:54:43,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 293 statements into 1 equivalence classes. [2025-03-04 02:54:43,843 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 293 of 293 statements. [2025-03-04 02:54:43,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:54:43,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:54:45,270 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2025-03-04 02:54:45,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:54:45,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670581829] [2025-03-04 02:54:45,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670581829] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:54:45,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838389664] [2025-03-04 02:54:45,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:45,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:54:45,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:54:45,276 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:54:45,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 02:54:49,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 293 statements into 1 equivalence classes. [2025-03-04 02:54:50,391 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 293 of 293 statements. [2025-03-04 02:54:50,391 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:54:50,391 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:54:50,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 5303 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-04 02:54:50,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:54:51,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-04 02:54:53,427 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2025-03-04 02:54:53,428 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:54:53,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838389664] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:54:53,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:54:53,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2025-03-04 02:54:53,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621860282] [2025-03-04 02:54:53,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:54:53,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 02:54:53,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:54:53,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 02:54:53,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2025-03-04 02:54:53,432 INFO L87 Difference]: Start difference. First operand 305 states and 411 transitions. Second operand has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 9 states have internal predecessors, (93), 4 states have call successors, (43), 3 states have call predecessors, (43), 5 states have return successors, (42), 5 states have call predecessors, (42), 4 states have call successors, (42) [2025-03-04 02:55:06,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:55:06,096 INFO L93 Difference]: Finished difference Result 683 states and 938 transitions. [2025-03-04 02:55:06,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-04 02:55:06,097 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 9 states have internal predecessors, (93), 4 states have call successors, (43), 3 states have call predecessors, (43), 5 states have return successors, (42), 5 states have call predecessors, (42), 4 states have call successors, (42) Word has length 293 [2025-03-04 02:55:06,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:55:06,102 INFO L225 Difference]: With dead ends: 683 [2025-03-04 02:55:06,102 INFO L226 Difference]: Without dead ends: 382 [2025-03-04 02:55:06,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2025-03-04 02:55:06,105 INFO L435 NwaCegarLoop]: 442 mSDtfsCounter, 400 mSDsluCounter, 2746 mSDsCounter, 0 mSdLazyCounter, 1177 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 3188 SdHoareTripleChecker+Invalid, 1189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2025-03-04 02:55:06,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 3188 Invalid, 1189 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 1177 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2025-03-04 02:55:06,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2025-03-04 02:55:06,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 378. [2025-03-04 02:55:06,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 239 states have (on average 1.209205020920502) internal successors, (289), 241 states have internal predecessors, (289), 103 states have call successors, (103), 35 states have call predecessors, (103), 35 states have return successors, (119), 101 states have call predecessors, (119), 102 states have call successors, (119) [2025-03-04 02:55:06,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 511 transitions. [2025-03-04 02:55:06,156 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 511 transitions. Word has length 293 [2025-03-04 02:55:06,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:55:06,156 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 511 transitions. [2025-03-04 02:55:06,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 9 states have internal predecessors, (93), 4 states have call successors, (43), 3 states have call predecessors, (43), 5 states have return successors, (42), 5 states have call predecessors, (42), 4 states have call successors, (42) [2025-03-04 02:55:06,156 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 511 transitions. [2025-03-04 02:55:06,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2025-03-04 02:55:06,162 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:55:06,162 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, 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] [2025-03-04 02:55:06,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-04 02:55:06,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-04 02:55:06,363 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:55:06,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:55:06,363 INFO L85 PathProgramCache]: Analyzing trace with hash 229317180, now seen corresponding path program 1 times [2025-03-04 02:55:06,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:55:06,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942285514] [2025-03-04 02:55:06,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:55:06,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:55:10,589 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 293 statements into 1 equivalence classes. [2025-03-04 02:55:10,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 293 of 293 statements. [2025-03-04 02:55:10,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:10,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:11,680 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2025-03-04 02:55:11,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:55:11,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942285514] [2025-03-04 02:55:11,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942285514] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:55:11,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664126866] [2025-03-04 02:55:11,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:55:11,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:55:11,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:55:11,685 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:55:11,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 02:55:16,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 293 statements into 1 equivalence classes. [2025-03-04 02:55:16,989 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 293 of 293 statements. [2025-03-04 02:55:16,989 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:16,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:17,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 5298 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 02:55:17,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:55:17,869 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2025-03-04 02:55:17,869 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:55:17,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664126866] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:55:17,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:55:17,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-03-04 02:55:17,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779949456] [2025-03-04 02:55:17,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:55:17,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 02:55:17,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:55:17,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 02:55:17,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-03-04 02:55:17,870 INFO L87 Difference]: Start difference. First operand 378 states and 511 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) [2025-03-04 02:55:20,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:55:20,529 INFO L93 Difference]: Finished difference Result 689 states and 961 transitions. [2025-03-04 02:55:20,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 02:55:20,530 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 [2025-03-04 02:55:20,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:55:20,534 INFO L225 Difference]: With dead ends: 689 [2025-03-04 02:55:20,534 INFO L226 Difference]: Without dead ends: 383 [2025-03-04 02:55:20,535 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2025-03-04 02:55:20,535 INFO L435 NwaCegarLoop]: 357 mSDtfsCounter, 423 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2025-03-04 02:55:20,536 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 996 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-03-04 02:55:20,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2025-03-04 02:55:20,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2025-03-04 02:55:20,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 242 states have (on average 1.2066115702479339) internal successors, (292), 245 states have internal predecessors, (292), 104 states have call successors, (104), 35 states have call predecessors, (104), 36 states have return successors, (135), 102 states have call predecessors, (135), 103 states have call successors, (135) [2025-03-04 02:55:20,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 531 transitions. [2025-03-04 02:55:20,566 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 531 transitions. Word has length 293 [2025-03-04 02:55:20,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:55:20,566 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 531 transitions. [2025-03-04 02:55:20,566 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) [2025-03-04 02:55:20,567 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 531 transitions. [2025-03-04 02:55:20,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2025-03-04 02:55:20,571 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:55:20,571 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, 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, 1, 1, 1, 1, 1, 1] [2025-03-04 02:55:20,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-04 02:55:20,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:55:20,772 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:55:20,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:55:20,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1554194566, now seen corresponding path program 1 times [2025-03-04 02:55:20,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:55:20,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538151400] [2025-03-04 02:55:20,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:55:20,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:55:24,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 299 statements into 1 equivalence classes. [2025-03-04 02:55:24,907 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 299 of 299 statements. [2025-03-04 02:55:24,907 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:24,907 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:25,761 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2025-03-04 02:55:25,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:55:25,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538151400] [2025-03-04 02:55:25,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538151400] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:55:25,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7539086] [2025-03-04 02:55:25,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:55:25,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:55:25,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:55:25,764 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:55:25,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 02:55:30,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 299 statements into 1 equivalence classes. [2025-03-04 02:55:30,915 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 299 of 299 statements. [2025-03-04 02:55:30,915 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:30,915 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:30,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 5327 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-03-04 02:55:30,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:55:31,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-04 02:55:34,265 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2025-03-04 02:55:34,266 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:55:34,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [7539086] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:55:34,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:55:34,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [5] total 16 [2025-03-04 02:55:34,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307536583] [2025-03-04 02:55:34,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:55:34,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-04 02:55:34,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:55:34,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-04 02:55:34,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2025-03-04 02:55:34,267 INFO L87 Difference]: Start difference. First operand 383 states and 531 transitions. Second operand has 13 states, 11 states have (on average 8.818181818181818) internal successors, (97), 10 states have internal predecessors, (97), 5 states have call successors, (44), 3 states have call predecessors, (44), 6 states have return successors, (43), 6 states have call predecessors, (43), 5 states have call successors, (43)