./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed 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_remove_harness_negated.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 190ae31efe96144321a53f6fa3a58be363d46a0faaff78a47cf06f9f2e955d78 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 18:07:24,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:07:24,365 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:07:24,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:07:24,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:07:24,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:07:24,391 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:07:24,391 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:07:24,392 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:07:24,392 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:07:24,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:07:24,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:07:24,392 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:07:24,392 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:07:24,392 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:07:24,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:07:24,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:07:24,392 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:07:24,392 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:07:24,392 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:07:24,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:07:24,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:07:24,393 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:07:24,393 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:07:24,393 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:07:24,393 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:07:24,393 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:07:24,393 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:07:24,393 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:07:24,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:07:24,393 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:07:24,393 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:07:24,393 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:07:24,393 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:07:24,393 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:07:24,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:07:24,393 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:07:24,393 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:07:24,393 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:07:24,394 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:07:24,394 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 -> 190ae31efe96144321a53f6fa3a58be363d46a0faaff78a47cf06f9f2e955d78 [2025-03-08 18:07:24,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:07:24,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:07:24,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:07:24,647 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:07:24,648 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:07:24,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness_negated.i [2025-03-08 18:07:25,823 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a7b93087/67ce2844108846219110d7e9a821f5ca/FLAG9b5eb6375 [2025-03-08 18:07:26,372 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:07:26,372 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness_negated.i [2025-03-08 18:07:26,407 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a7b93087/67ce2844108846219110d7e9a821f5ca/FLAG9b5eb6375 [2025-03-08 18:07:26,899 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a7b93087/67ce2844108846219110d7e9a821f5ca [2025-03-08 18:07:26,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:07:26,902 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:07:26,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:07:26,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:07:26,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:07:26,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:07:26" (1/1) ... [2025-03-08 18:07:26,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d95e22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:26, skipping insertion in model container [2025-03-08 18:07:26,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:07:26" (1/1) ... [2025-03-08 18:07:26,985 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:07:27,244 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_remove_harness_negated.i[4495,4508] [2025-03-08 18:07:27,254 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_remove_harness_negated.i[4555,4568] [2025-03-08 18:07:27,915 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:27,916 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:27,916 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:27,917 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:27,917 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:27,933 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:27,933 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:27,939 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:27,939 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:27,940 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:27,941 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:27,941 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:27,942 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,576 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,576 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,599 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,600 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,606 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,606 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,618 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,619 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,619 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,619 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,620 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,620 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,620 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,681 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_remove_harness_negated.i[230039,230052] [2025-03-08 18:07:28,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:07:28,705 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:07:28,719 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_remove_harness_negated.i[4495,4508] [2025-03-08 18:07:28,719 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_remove_harness_negated.i[4555,4568] [2025-03-08 18:07:28,753 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,753 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,753 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,754 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,754 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,758 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,758 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,759 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,759 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,761 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,761 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,761 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,762 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7544-7555] [2025-03-08 18:07:28,879 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,879 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,886 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,886 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,888 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,888 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,894 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,894 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,894 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,894 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,895 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,896 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,896 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:28,910 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_remove_harness_negated.i[230039,230052] [2025-03-08 18:07:28,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:07:29,096 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:07:29,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:29 WrapperNode [2025-03-08 18:07:29,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:07:29,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:07:29,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:07:29,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:07:29,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:29" (1/1) ... [2025-03-08 18:07:29,183 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:29" (1/1) ... [2025-03-08 18:07:29,258 INFO L138 Inliner]: procedures = 764, calls = 2494, calls flagged for inlining = 70, calls inlined = 19, statements flattened = 1091 [2025-03-08 18:07:29,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:07:29,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:07:29,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:07:29,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:07:29,267 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:29" (1/1) ... [2025-03-08 18:07:29,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:29" (1/1) ... [2025-03-08 18:07:29,275 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:29" (1/1) ... [2025-03-08 18:07:29,347 INFO L175 MemorySlicer]: Split 368 memory accesses to 12 slices as follows [2, 3, 15, 1, 4, 2, 243, 7, 3, 14, 72, 2]. 66 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 0, 0, 0, 0, 11, 0, 0, 10, 0, 0]. The 256 writes are split as follows [0, 2, 1, 1, 2, 1, 232, 3, 3, 0, 10, 1]. [2025-03-08 18:07:29,347 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:29" (1/1) ... [2025-03-08 18:07:29,347 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:29" (1/1) ... [2025-03-08 18:07:29,385 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:29" (1/1) ... [2025-03-08 18:07:29,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:29" (1/1) ... [2025-03-08 18:07:29,405 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:29" (1/1) ... [2025-03-08 18:07:29,416 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:29" (1/1) ... [2025-03-08 18:07:29,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:07:29,426 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:07:29,426 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:07:29,427 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:07:29,427 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:29" (1/1) ... [2025-03-08 18:07:29,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:07:29,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:07:29,453 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) [2025-03-08 18:07:29,458 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 [2025-03-08 18:07:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-08 18:07:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-08 18:07:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-08 18:07:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-08 18:07:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-08 18:07:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-08 18:07:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-08 18:07:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-08 18:07:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-03-08 18:07:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-03-08 18:07:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-03-08 18:07:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2025-03-08 18:07:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-03-08 18:07:29,473 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-03-08 18:07:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-03-08 18:07:29,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-03-08 18:07:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:07:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 18:07:29,473 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 18:07:29,474 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:07:29,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-08 18:07:29,474 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:07:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:07:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-08 18:07:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-08 18:07:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:07:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:07:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:07:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:07:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:07:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 18:07:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 18:07:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 18:07:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 18:07:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 18:07:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 18:07:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 18:07:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 18:07:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 18:07:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-03-08 18:07:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-03-08 18:07:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-03-08 18:07:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-03-08 18:07:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:07:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:07:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-08 18:07:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-03-08 18:07:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:07:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-08 18:07:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-08 18:07:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 18:07:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 18:07:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-08 18:07:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-08 18:07:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-08 18:07:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 18:07:29,479 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 18:07:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-08 18:07:29,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-08 18:07:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-08 18:07:29,479 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-08 18:07:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 18:07:29,479 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 18:07:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2025-03-08 18:07:29,479 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2025-03-08 18:07:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:07:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:07:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:07:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:07:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:07:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 18:07:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 18:07:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 18:07:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 18:07:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 18:07:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 18:07:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 18:07:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-03-08 18:07:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-03-08 18:07:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-03-08 18:07:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-03-08 18:07:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-03-08 18:07:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-03-08 18:07:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2025-03-08 18:07:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2025-03-08 18:07:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:07:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:07:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:07:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:07:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:07:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:07:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:07:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 18:07:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 18:07:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 18:07:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 18:07:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 18:07:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 18:07:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 18:07:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-08 18:07:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-08 18:07:29,854 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:07:29,857 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:07:29,888 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-08 18:07:29,928 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9122-1: assume false; [2025-03-08 18:07:29,928 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9122-1: assume !false; [2025-03-08 18:07:29,950 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-08 18:07:29,951 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 18:07:30,070 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9311: havoc #t~ret1203#1; [2025-03-08 18:07:30,156 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9128-1: assume false; [2025-03-08 18:07:30,156 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9128-1: assume !false; [2025-03-08 18:07:30,157 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9624-1: assume false; [2025-03-08 18:07:30,157 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9624-1: assume !false; [2025-03-08 18:07:30,179 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9083-1: assume false; [2025-03-08 18:07:30,179 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9083-1: assume !false; [2025-03-08 18:07:30,179 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7341: havoc uninterpreted_hasher_#t~ret689#1; [2025-03-08 18:07:30,212 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10087: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-08 18:07:30,223 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7374: havoc #t~ret690.base, #t~ret690.offset; [2025-03-08 18:07:30,247 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9974: havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~short1492;havoc #t~mem1493.base, #t~mem1493.offset;havoc #t~ret1494;havoc #t~short1495; [2025-03-08 18:07:30,249 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 18:07:30,263 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7328: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-03-08 18:07:30,263 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7271: havoc nondet_compare_#t~ret677#1; [2025-03-08 18:07:30,263 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-08 18:07:30,271 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9109: havoc #t~ret1142; [2025-03-08 18:07:30,286 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-08 18:07:30,298 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-08 18:07:35,558 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9658-1: assume false; [2025-03-08 18:07:35,559 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9658-1: assume !false; [2025-03-08 18:07:35,559 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9675-1: assume false; [2025-03-08 18:07:35,559 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9675-1: assume !false; [2025-03-08 18:07:35,559 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6821: havoc aws_hash_table_has_an_empty_slot_#t~mem566#1.base, aws_hash_table_has_an_empty_slot_#t~mem566#1.offset;havoc aws_hash_table_has_an_empty_slot_#t~ret567#1; [2025-03-08 18:07:35,559 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6831: havoc hash_table_state_has_an_empty_slot_#t~mem571#1; [2025-03-08 18:07:35,696 INFO L? ?]: Removed 314 outVars from TransFormulas that were not future-live. [2025-03-08 18:07:35,697 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:07:35,731 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:07:35,731 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:07:35,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:07:35 BoogieIcfgContainer [2025-03-08 18:07:35,732 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:07:35,734 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:07:35,734 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:07:35,739 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:07:35,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:07:26" (1/3) ... [2025-03-08 18:07:35,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c2666f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:07:35, skipping insertion in model container [2025-03-08 18:07:35,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:29" (2/3) ... [2025-03-08 18:07:35,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c2666f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:07:35, skipping insertion in model container [2025-03-08 18:07:35,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:07:35" (3/3) ... [2025-03-08 18:07:35,744 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_remove_harness_negated.i [2025-03-08 18:07:35,758 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:07:35,759 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_remove_harness_negated.i that has 28 procedures, 336 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-03-08 18:07:35,818 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:07:35,830 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;@74eeefa1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:07:35,833 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 18:07:35,838 INFO L276 IsEmpty]: Start isEmpty. Operand has 336 states, 226 states have (on average 1.2566371681415929) internal successors, (284), 221 states have internal predecessors, (284), 87 states have call successors, (87), 27 states have call predecessors, (87), 27 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2025-03-08 18:07:35,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2025-03-08 18:07:35,849 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:07:35,849 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:07:35,850 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:07:35,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:07:35,854 INFO L85 PathProgramCache]: Analyzing trace with hash 982292415, now seen corresponding path program 1 times [2025-03-08 18:07:35,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:07:35,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105636361] [2025-03-08 18:07:35,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:07:35,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:07:40,654 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-03-08 18:07:40,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-03-08 18:07:40,974 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:07:40,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:07:41,543 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2025-03-08 18:07:41,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:07:41,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105636361] [2025-03-08 18:07:41,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105636361] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:07:41,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523426140] [2025-03-08 18:07:41,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:07:41,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:07:41,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:07:41,549 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) [2025-03-08 18:07:41,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 18:07:45,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-03-08 18:07:46,418 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-03-08 18:07:46,419 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:07:46,419 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:07:46,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 4563 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 18:07:46,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:07:46,508 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2025-03-08 18:07:46,508 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:07:46,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523426140] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:07:46,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:07:46,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 18:07:46,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475197590] [2025-03-08 18:07:46,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:07:46,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 18:07:46,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:07:46,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 18:07:46,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:07:46,530 INFO L87 Difference]: Start difference. First operand has 336 states, 226 states have (on average 1.2566371681415929) internal successors, (284), 221 states have internal predecessors, (284), 87 states have call successors, (87), 27 states have call predecessors, (87), 27 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-08 18:07:46,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:07:46,649 INFO L93 Difference]: Finished difference Result 666 states and 976 transitions. [2025-03-08 18:07:46,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 18:07:46,651 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 182 [2025-03-08 18:07:46,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:07:46,659 INFO L225 Difference]: With dead ends: 666 [2025-03-08 18:07:46,659 INFO L226 Difference]: Without dead ends: 328 [2025-03-08 18:07:46,666 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:07:46,668 INFO L435 NwaCegarLoop]: 438 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 18:07:46,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 438 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 18:07:46,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2025-03-08 18:07:46,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2025-03-08 18:07:46,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 213 states have (on average 1.2347417840375587) internal successors, (263), 215 states have internal predecessors, (263), 87 states have call successors, (87), 27 states have call predecessors, (87), 27 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-08 18:07:46,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 435 transitions. [2025-03-08 18:07:46,726 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 435 transitions. Word has length 182 [2025-03-08 18:07:46,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:07:46,727 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 435 transitions. [2025-03-08 18:07:46,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-08 18:07:46,729 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 435 transitions. [2025-03-08 18:07:46,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2025-03-08 18:07:46,733 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:07:46,733 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:07:46,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 18:07:46,934 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 [2025-03-08 18:07:46,934 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:07:46,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:07:46,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1274443454, now seen corresponding path program 1 times [2025-03-08 18:07:46,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:07:46,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149540530] [2025-03-08 18:07:46,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:07:46,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:07:50,915 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-03-08 18:07:51,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-03-08 18:07:51,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:07:51,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:07:52,511 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2025-03-08 18:07:52,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:07:52,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149540530] [2025-03-08 18:07:52,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149540530] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:07:52,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 18:07:52,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 18:07:52,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057109114] [2025-03-08 18:07:52,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:07:52,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 18:07:52,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:07:52,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 18:07:52,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 18:07:52,516 INFO L87 Difference]: Start difference. First operand 328 states and 435 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-08 18:07:53,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:07:53,032 INFO L93 Difference]: Finished difference Result 619 states and 825 transitions. [2025-03-08 18:07:53,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 18:07:53,035 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 182 [2025-03-08 18:07:53,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:07:53,038 INFO L225 Difference]: With dead ends: 619 [2025-03-08 18:07:53,043 INFO L226 Difference]: Without dead ends: 333 [2025-03-08 18:07:53,044 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 18:07:53,045 INFO L435 NwaCegarLoop]: 426 mSDtfsCounter, 0 mSDsluCounter, 1274 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-08 18:07:53,045 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1700 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-08 18:07:53,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2025-03-08 18:07:53,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2025-03-08 18:07:53,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 217 states have (on average 1.2304147465437787) internal successors, (267), 219 states have internal predecessors, (267), 87 states have call successors, (87), 27 states have call predecessors, (87), 28 states have return successors, (86), 86 states have call predecessors, (86), 85 states have call successors, (86) [2025-03-08 18:07:53,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 440 transitions. [2025-03-08 18:07:53,083 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 440 transitions. Word has length 182 [2025-03-08 18:07:53,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:07:53,083 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 440 transitions. [2025-03-08 18:07:53,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-08 18:07:53,083 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 440 transitions. [2025-03-08 18:07:53,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2025-03-08 18:07:53,086 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:07:53,086 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:07:53,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 18:07:53,087 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:07:53,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:07:53,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1728227807, now seen corresponding path program 1 times [2025-03-08 18:07:53,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:07:53,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262552394] [2025-03-08 18:07:53,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:07:53,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:07:56,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-03-08 18:07:56,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-03-08 18:07:56,939 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:07:56,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:08:00,929 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-03-08 18:08:00,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:08:00,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262552394] [2025-03-08 18:08:00,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262552394] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:08:00,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096620067] [2025-03-08 18:08:00,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:08:00,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:08:00,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:08:00,932 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) [2025-03-08 18:08:00,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 18:08:05,250 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-03-08 18:08:05,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-03-08 18:08:05,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:08:05,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:08:05,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 4567 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-03-08 18:08:05,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:08:06,373 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 [2025-03-08 18:08:14,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2025-03-08 18:08:15,619 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2025-03-08 18:08:15,619 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:08:15,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096620067] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:08:15,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:08:15,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [10] total 17 [2025-03-08 18:08:15,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679440818] [2025-03-08 18:08:15,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:08:15,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-08 18:08:15,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:08:15,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-08 18:08:15,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2025-03-08 18:08:15,622 INFO L87 Difference]: Start difference. First operand 333 states and 440 transitions. Second operand has 13 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 7 states have call successors, (32), 4 states have call predecessors, (32), 5 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2025-03-08 18:08:25,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:08:25,687 INFO L93 Difference]: Finished difference Result 590 states and 787 transitions. [2025-03-08 18:08:25,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-08 18:08:25,687 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 7 states have call successors, (32), 4 states have call predecessors, (32), 5 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) Word has length 188 [2025-03-08 18:08:25,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:08:25,691 INFO L225 Difference]: With dead ends: 590 [2025-03-08 18:08:25,691 INFO L226 Difference]: Without dead ends: 360 [2025-03-08 18:08:25,692 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 149 SyntacticMatches, 33 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2025-03-08 18:08:25,693 INFO L435 NwaCegarLoop]: 385 mSDtfsCounter, 385 mSDsluCounter, 3439 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 3824 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2025-03-08 18:08:25,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 3824 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 952 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2025-03-08 18:08:25,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2025-03-08 18:08:25,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 351. [2025-03-08 18:08:25,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 231 states have (on average 1.225108225108225) internal successors, (283), 234 states have internal predecessors, (283), 87 states have call successors, (87), 30 states have call predecessors, (87), 32 states have return successors, (93), 86 states have call predecessors, (93), 85 states have call successors, (93) [2025-03-08 18:08:25,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 463 transitions. [2025-03-08 18:08:25,712 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 463 transitions. Word has length 188 [2025-03-08 18:08:25,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:08:25,712 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 463 transitions. [2025-03-08 18:08:25,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 7 states have call successors, (32), 4 states have call predecessors, (32), 5 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2025-03-08 18:08:25,712 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 463 transitions. [2025-03-08 18:08:25,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-03-08 18:08:25,714 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:08:25,715 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:08:25,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-08 18:08:25,915 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,SelfDestructingSolverStorable2 [2025-03-08 18:08:25,915 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:08:25,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:08:25,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1236877799, now seen corresponding path program 1 times [2025-03-08 18:08:25,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:08:25,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812952108] [2025-03-08 18:08:25,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:08:25,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:08:29,452 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-03-08 18:08:29,535 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-03-08 18:08:29,535 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:08:29,535 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:08:32,553 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2025-03-08 18:08:32,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:08:32,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812952108] [2025-03-08 18:08:32,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812952108] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:08:32,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950629618] [2025-03-08 18:08:32,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:08:32,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:08:32,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:08:32,555 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) [2025-03-08 18:08:32,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 18:08:36,748 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-03-08 18:08:37,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-03-08 18:08:37,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:08:37,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:08:37,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 4599 conjuncts, 40 conjuncts are in the unsatisfiable core [2025-03-08 18:08:37,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:08:37,817 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 [2025-03-08 18:08:44,953 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-03-08 18:08:44,953 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:08:44,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950629618] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:08:44,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:08:44,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [10] total 16 [2025-03-08 18:08:44,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72640697] [2025-03-08 18:08:44,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:08:44,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-08 18:08:44,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:08:44,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-08 18:08:44,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2025-03-08 18:08:44,956 INFO L87 Difference]: Start difference. First operand 351 states and 463 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 5 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (31), 5 states have call predecessors, (31), 5 states have call successors, (31)