./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 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_move_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 0fab62036dd25c3674c8ec0542f70812f6d73d79fd4d93da30f7cca1332abb4e --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:14:24,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:14:24,573 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:14:24,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:14:24,577 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:14:24,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:14:24,601 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:14:24,601 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:14:24,601 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:14:24,601 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:14:24,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:14:24,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:14:24,603 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:14:24,603 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:14:24,604 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:14:24,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:14:24,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:14:24,604 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:14:24,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:14:24,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:14:24,605 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:14:24,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:14:24,605 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:14:24,605 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:14:24,605 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:14:24,605 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:14:24,605 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:14:24,605 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:14:24,605 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:14:24,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:14:24,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:14:24,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:14:24,606 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:14:24,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:14:24,606 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:14:24,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:14:24,606 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:14:24,606 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:14:24,606 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:14:24,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:14:24,606 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 -> 0fab62036dd25c3674c8ec0542f70812f6d73d79fd4d93da30f7cca1332abb4e [2025-03-17 07:14:24,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:14:24,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:14:24,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:14:24,867 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:14:24,867 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:14:24,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness_negated.i [2025-03-17 07:14:26,011 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a74f98d90/fb537a0ac27645f985e33d46574bf10a/FLAGb654d0acc [2025-03-17 07:14:26,550 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:14:26,551 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness_negated.i [2025-03-17 07:14:26,594 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a74f98d90/fb537a0ac27645f985e33d46574bf10a/FLAGb654d0acc [2025-03-17 07:14:27,082 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a74f98d90/fb537a0ac27645f985e33d46574bf10a [2025-03-17 07:14:27,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:14:27,086 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:14:27,088 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:14:27,088 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:14:27,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:14:27,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:14:27" (1/1) ... [2025-03-17 07:14:27,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5524b6ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:27, skipping insertion in model container [2025-03-17 07:14:27,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:14:27" (1/1) ... [2025-03-17 07:14:27,167 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:14:27,383 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_move_harness_negated.i[4493,4506] [2025-03-17 07:14:27,391 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_move_harness_negated.i[4553,4566] [2025-03-17 07:14:28,039 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,040 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,040 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,040 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,041 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,054 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,055 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,056 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,057 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,058 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,058 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,059 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,059 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,715 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,715 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,736 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,744 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,755 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,756 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,757 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,757 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,757 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,758 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,758 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,780 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_move_harness_negated.i[227802,227815] [2025-03-17 07:14:28,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:14:28,801 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:14:28,810 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_move_harness_negated.i[4493,4506] [2025-03-17 07:14:28,811 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_move_harness_negated.i[4553,4566] [2025-03-17 07:14:28,842 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,843 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,844 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,844 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,844 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,854 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,855 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,856 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,858 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,860 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,860 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,860 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,860 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:28,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2025-03-17 07:14:29,048 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:29,048 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:29,057 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:29,057 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:29,059 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:29,059 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:29,064 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:29,065 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:29,065 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:29,065 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:29,065 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:29,065 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:29,066 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:29,080 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_move_harness_negated.i[227802,227815] [2025-03-17 07:14:29,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:14:29,224 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:14:29,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:29 WrapperNode [2025-03-17 07:14:29,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:14:29,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:14:29,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:14:29,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:14:29,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:29" (1/1) ... [2025-03-17 07:14:29,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:29" (1/1) ... [2025-03-17 07:14:29,377 INFO L138 Inliner]: procedures = 763, calls = 2427, calls flagged for inlining = 70, calls inlined = 12, statements flattened = 620 [2025-03-17 07:14:29,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:14:29,378 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:14:29,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:14:29,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:14:29,384 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:29" (1/1) ... [2025-03-17 07:14:29,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:29" (1/1) ... [2025-03-17 07:14:29,388 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:29" (1/1) ... [2025-03-17 07:14:29,443 INFO L175 MemorySlicer]: Split 281 memory accesses to 8 slices as follows [2, 238, 8, 2, 3, 17, 6, 5]. 85 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 6, 0, 0, 0, 0, 0, 5]. The 240 writes are split as follows [0, 232, 3, 1, 1, 1, 2, 0]. [2025-03-17 07:14:29,444 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:29" (1/1) ... [2025-03-17 07:14:29,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:29" (1/1) ... [2025-03-17 07:14:29,481 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:29" (1/1) ... [2025-03-17 07:14:29,487 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:29" (1/1) ... [2025-03-17 07:14:29,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:29" (1/1) ... [2025-03-17 07:14:29,506 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:29" (1/1) ... [2025-03-17 07:14:29,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:14:29,523 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:14:29,523 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:14:29,524 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:14:29,525 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:29" (1/1) ... [2025-03-17 07:14:29,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:14:29,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:14:29,552 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) [2025-03-17 07:14:29,554 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 [2025-03-17 07:14:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-17 07:14:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-17 07:14:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-17 07:14:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-17 07:14:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-17 07:14:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-17 07:14:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-17 07:14:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-17 07:14:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:14:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:14:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:14:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:14:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:14:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:14:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:14:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:14:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 07:14:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:14:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:14:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:14:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:14:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:14:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:14:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:14:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 07:14:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:14:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:14:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:14:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:14:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-17 07:14:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-17 07:14:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:14:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:14:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-17 07:14:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-17 07:14:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:14:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:14:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:14:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:14:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:14:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:14:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:14:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 07:14:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:14:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:14:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:14:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:14:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-17 07:14:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-17 07:14:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:14:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:14:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:14:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:14:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:14:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:14:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-17 07:14:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 07:14:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 07:14:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 07:14:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-17 07:14:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-17 07:14:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-17 07:14:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-17 07:14:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:14:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-17 07:14:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-17 07:14:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-17 07:14:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-17 07:14:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-17 07:14:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:14:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:14:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:14:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:14:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:14:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:14:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:14:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:14:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:14:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 07:14:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:14:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:14:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:14:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:14:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:14:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:14:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:14:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 07:14:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-17 07:14:29,578 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-17 07:14:29,885 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:14:29,887 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:14:29,941 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-17 07:14:29,968 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-17 07:14:29,970 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:14:30,165 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10069: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-17 07:14:30,181 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9956: havoc #t~mem1489.base, #t~mem1489.offset;havoc #t~short1490;havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~ret1492;havoc #t~short1493; [2025-03-17 07:14:30,208 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-17 07:14:30,226 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-17 07:14:35,372 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 07:14:35,491 INFO L? ?]: Removed 142 outVars from TransFormulas that were not future-live. [2025-03-17 07:14:35,491 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:14:35,506 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:14:35,507 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:14:35,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:14:35 BoogieIcfgContainer [2025-03-17 07:14:35,508 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:14:35,510 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:14:35,510 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:14:35,513 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:14:35,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:14:27" (1/3) ... [2025-03-17 07:14:35,514 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7069ee39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:14:35, skipping insertion in model container [2025-03-17 07:14:35,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:29" (2/3) ... [2025-03-17 07:14:35,514 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7069ee39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:14:35, skipping insertion in model container [2025-03-17 07:14:35,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:14:35" (3/3) ... [2025-03-17 07:14:35,515 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_move_harness_negated.i [2025-03-17 07:14:35,525 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:14:35,526 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_move_harness_negated.i that has 22 procedures, 152 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-03-17 07:14:35,579 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:14:35,587 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;@1d1cc3fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:14:35,588 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:14:35,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 77 states have (on average 1.2077922077922079) internal successors, (93), 77 states have internal predecessors, (93), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-17 07:14:35,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-03-17 07:14:35,599 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:14:35,600 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 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] [2025-03-17 07:14:35,600 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:14:35,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:14:35,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1951521409, now seen corresponding path program 1 times [2025-03-17 07:14:35,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:14:35,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102278533] [2025-03-17 07:14:35,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:35,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:14:40,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-03-17 07:14:40,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-03-17 07:14:40,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:40,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:41,021 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-03-17 07:14:41,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:14:41,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102278533] [2025-03-17 07:14:41,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102278533] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:14:41,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937800459] [2025-03-17 07:14:41,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:41,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:14:41,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:14:41,026 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) [2025-03-17 07:14:41,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 07:14:45,592 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-03-17 07:14:46,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-03-17 07:14:46,111 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:46,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:46,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 4411 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 07:14:46,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:14:46,158 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-03-17 07:14:46,158 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:14:46,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937800459] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:14:46,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:14:46,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 07:14:46,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120545728] [2025-03-17 07:14:46,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:14:46,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 07:14:46,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:14:46,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 07:14:46,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:14:46,182 INFO L87 Difference]: Start difference. First operand has 124 states, 77 states have (on average 1.2077922077922079) internal successors, (93), 77 states have internal predecessors, (93), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-17 07:14:46,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:14:46,220 INFO L93 Difference]: Finished difference Result 241 states and 328 transitions. [2025-03-17 07:14:46,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 07:14:46,227 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 138 [2025-03-17 07:14:46,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:14:46,235 INFO L225 Difference]: With dead ends: 241 [2025-03-17 07:14:46,236 INFO L226 Difference]: Without dead ends: 121 [2025-03-17 07:14:46,238 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:14:46,240 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 07:14:46,240 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 07:14:46,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2025-03-17 07:14:46,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2025-03-17 07:14:46,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 74 states have (on average 1.162162162162162) internal successors, (86), 75 states have internal predecessors, (86), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-03-17 07:14:46,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 149 transitions. [2025-03-17 07:14:46,279 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 149 transitions. Word has length 138 [2025-03-17 07:14:46,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:14:46,280 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 149 transitions. [2025-03-17 07:14:46,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-17 07:14:46,281 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 149 transitions. [2025-03-17 07:14:46,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-03-17 07:14:46,283 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:14:46,283 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2025-03-17 07:14:46,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 07:14:46,484 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 [2025-03-17 07:14:46,484 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:14:46,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:14:46,485 INFO L85 PathProgramCache]: Analyzing trace with hash -636772145, now seen corresponding path program 1 times [2025-03-17 07:14:46,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:14:46,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033736844] [2025-03-17 07:14:46,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:46,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:14:50,364 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-17 07:14:50,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-17 07:14:50,499 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:50,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:51,688 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2025-03-17 07:14:51,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:14:51,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033736844] [2025-03-17 07:14:51,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033736844] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:14:51,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387243495] [2025-03-17 07:14:51,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:51,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:14:51,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:14:51,691 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) [2025-03-17 07:14:51,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 07:14:56,220 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-17 07:14:56,702 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-17 07:14:56,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:56,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:56,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 4436 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 07:14:56,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:14:56,864 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2025-03-17 07:14:56,864 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:14:56,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387243495] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:14:56,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:14:56,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2025-03-17 07:14:56,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144097303] [2025-03-17 07:14:56,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:14:56,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 07:14:56,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:14:56,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 07:14:56,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 07:14:56,867 INFO L87 Difference]: Start difference. First operand 121 states and 149 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-17 07:14:57,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:14:57,093 INFO L93 Difference]: Finished difference Result 236 states and 291 transitions. [2025-03-17 07:14:57,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 07:14:57,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 144 [2025-03-17 07:14:57,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:14:57,095 INFO L225 Difference]: With dead ends: 236 [2025-03-17 07:14:57,095 INFO L226 Difference]: Without dead ends: 126 [2025-03-17 07:14:57,096 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 07:14:57,096 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 0 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 07:14:57,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 576 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 07:14:57,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2025-03-17 07:14:57,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2025-03-17 07:14:57,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 78 states have (on average 1.1538461538461537) internal successors, (90), 79 states have internal predecessors, (90), 32 states have call successors, (32), 14 states have call predecessors, (32), 15 states have return successors, (32), 32 states have call predecessors, (32), 31 states have call successors, (32) [2025-03-17 07:14:57,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 154 transitions. [2025-03-17 07:14:57,111 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 154 transitions. Word has length 144 [2025-03-17 07:14:57,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:14:57,112 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 154 transitions. [2025-03-17 07:14:57,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-17 07:14:57,112 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 154 transitions. [2025-03-17 07:14:57,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-03-17 07:14:57,115 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:14:57,115 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2025-03-17 07:14:57,131 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 07:14:57,315 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 [2025-03-17 07:14:57,316 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:14:57,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:14:57,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1680617531, now seen corresponding path program 1 times [2025-03-17 07:14:57,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:14:57,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23226424] [2025-03-17 07:14:57,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:57,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:15:01,085 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-17 07:15:01,188 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-17 07:15:01,188 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:15:01,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:15:04,939 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2025-03-17 07:15:04,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:15:04,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23226424] [2025-03-17 07:15:04,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23226424] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:15:04,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111123562] [2025-03-17 07:15:04,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:15:04,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:15:04,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:15:04,942 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) [2025-03-17 07:15:04,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 07:15:09,616 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-17 07:15:10,048 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-17 07:15:10,049 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:15:10,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:15:10,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 4436 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-03-17 07:15:10,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:15:11,486 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 [2025-03-17 07:15:19,073 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-03-17 07:15:19,073 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:15:19,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111123562] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:15:19,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:15:19,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [10] total 19 [2025-03-17 07:15:19,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905043943] [2025-03-17 07:15:19,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:15:19,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 07:15:19,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:15:19,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 07:15:19,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2025-03-17 07:15:19,075 INFO L87 Difference]: Start difference. First operand 126 states and 154 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (25), 7 states have call predecessors, (25), 6 states have call successors, (25) [2025-03-17 07:15:23,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:15:27,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:15:37,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-17 07:15:41,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-17 07:15:43,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:15:43,006 INFO L93 Difference]: Finished difference Result 323 states and 390 transitions. [2025-03-17 07:15:43,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 07:15:43,007 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (25), 7 states have call predecessors, (25), 6 states have call successors, (25) Word has length 154 [2025-03-17 07:15:43,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:15:43,010 INFO L225 Difference]: With dead ends: 323 [2025-03-17 07:15:43,010 INFO L226 Difference]: Without dead ends: 219 [2025-03-17 07:15:43,013 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 132 SyntacticMatches, 14 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2025-03-17 07:15:43,014 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 76 mSDsluCounter, 1415 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 1606 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2025-03-17 07:15:43,015 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 1606 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 408 Invalid, 4 Unknown, 0 Unchecked, 23.1s Time] [2025-03-17 07:15:43,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2025-03-17 07:15:43,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 214. [2025-03-17 07:15:43,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 139 states have (on average 1.1726618705035972) internal successors, (163), 142 states have internal predecessors, (163), 45 states have call successors, (45), 25 states have call predecessors, (45), 29 states have return successors, (48), 46 states have call predecessors, (48), 43 states have call successors, (48) [2025-03-17 07:15:43,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 256 transitions. [2025-03-17 07:15:43,035 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 256 transitions. Word has length 154 [2025-03-17 07:15:43,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:15:43,035 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 256 transitions. [2025-03-17 07:15:43,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (25), 7 states have call predecessors, (25), 6 states have call successors, (25) [2025-03-17 07:15:43,035 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 256 transitions. [2025-03-17 07:15:43,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-03-17 07:15:43,037 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:15:43,037 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2025-03-17 07:15:43,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 07:15:43,237 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 [2025-03-17 07:15:43,238 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:15:43,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:15:43,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1325018213, now seen corresponding path program 1 times [2025-03-17 07:15:43,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:15:43,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996914778] [2025-03-17 07:15:43,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:15:43,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:15:47,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-17 07:15:47,138 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-17 07:15:47,138 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:15:47,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:15:48,462 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2025-03-17 07:15:48,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:15:48,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996914778] [2025-03-17 07:15:48,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996914778] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:15:48,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271677901] [2025-03-17 07:15:48,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:15:48,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:15:48,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:15:48,466 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) [2025-03-17 07:15:48,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 07:15:52,916 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-17 07:15:53,335 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-17 07:15:53,335 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:15:53,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:15:53,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 4426 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 07:15:53,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:15:54,317 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2025-03-17 07:15:54,320 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:15:54,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271677901] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:15:54,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:15:54,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-03-17 07:15:54,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425655285] [2025-03-17 07:15:54,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:15:54,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 07:15:54,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:15:54,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 07:15:54,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-17 07:15:54,325 INFO L87 Difference]: Start difference. First operand 214 states and 256 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2025-03-17 07:15:54,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:15:54,655 INFO L93 Difference]: Finished difference Result 375 states and 456 transitions. [2025-03-17 07:15:54,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 07:15:54,655 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 154 [2025-03-17 07:15:54,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:15:54,657 INFO L225 Difference]: With dead ends: 375 [2025-03-17 07:15:54,657 INFO L226 Difference]: Without dead ends: 226 [2025-03-17 07:15:54,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-17 07:15:54,658 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 17 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 07:15:54,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 401 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 07:15:54,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2025-03-17 07:15:54,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 219. [2025-03-17 07:15:54,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 142 states have (on average 1.1690140845070423) internal successors, (166), 146 states have internal predecessors, (166), 46 states have call successors, (46), 25 states have call predecessors, (46), 30 states have return successors, (52), 47 states have call predecessors, (52), 44 states have call successors, (52) [2025-03-17 07:15:54,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 264 transitions. [2025-03-17 07:15:54,675 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 264 transitions. Word has length 154 [2025-03-17 07:15:54,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:15:54,675 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 264 transitions. [2025-03-17 07:15:54,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2025-03-17 07:15:54,675 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 264 transitions. [2025-03-17 07:15:54,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-03-17 07:15:54,676 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:15:54,677 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:15:54,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 07:15:54,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:15:54,877 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:15:54,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:15:54,878 INFO L85 PathProgramCache]: Analyzing trace with hash -575038635, now seen corresponding path program 1 times [2025-03-17 07:15:54,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:15:54,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784742244] [2025-03-17 07:15:54,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:15:54,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:15:58,591 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-17 07:15:58,661 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-17 07:15:58,661 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:15:58,661 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat