./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a3ce1d43d9985905fc5bc027d31321425feb97f8a5ea33de69c9c87c25abb975 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:11:32,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:11:32,967 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:11:32,974 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:11:32,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:11:32,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:11:32,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:11:32,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:11:32,998 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:11:32,998 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:11:32,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:11:32,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:11:32,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:11:32,998 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:11:32,998 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:11:32,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:11:32,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:11:32,999 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:11:32,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:11:32,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:11:32,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:11:32,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:11:32,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:11:32,999 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:11:32,999 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:11:32,999 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:11:32,999 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:11:32,999 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:11:32,999 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:11:32,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:11:32,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:11:32,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:11:32,999 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:11:32,999 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:11:32,999 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:11:33,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:11:33,000 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:11:33,000 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:11:33,000 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:11:33,000 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:11:33,000 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3ce1d43d9985905fc5bc027d31321425feb97f8a5ea33de69c9c87c25abb975 [2025-02-06 05:11:33,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:11:33,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:11:33,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:11:33,221 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:11:33,222 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:11:33,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2025-02-06 05:11:34,358 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2ff00d31f/e71a2bac8f0f4381bb1c45944195d900/FLAG069fc2942 [2025-02-06 05:11:34,919 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:11:34,920 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2025-02-06 05:11:34,961 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2ff00d31f/e71a2bac8f0f4381bb1c45944195d900/FLAG069fc2942 [2025-02-06 05:11:34,978 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2ff00d31f/e71a2bac8f0f4381bb1c45944195d900 [2025-02-06 05:11:34,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:11:34,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:11:34,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:11:34,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:11:34,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:11:34,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:11:34" (1/1) ... [2025-02-06 05:11:34,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14bbdb55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:11:34, skipping insertion in model container [2025-02-06 05:11:34,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:11:34" (1/1) ... [2025-02-06 05:11:35,056 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:11:35,304 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2025-02-06 05:11:35,311 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2025-02-06 05:11:35,863 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:35,863 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:35,864 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:35,867 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:35,868 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:35,883 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:35,887 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:35,889 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:35,890 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:35,891 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:35,892 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:35,892 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:35,893 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,557 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,558 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,590 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,590 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,597 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,598 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,614 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,615 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,615 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,615 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,615 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,616 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,616 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,680 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[230833,230846] [2025-02-06 05:11:36,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:11:36,708 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:11:36,720 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2025-02-06 05:11:36,721 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2025-02-06 05:11:36,758 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,758 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,758 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,759 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,759 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,763 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,763 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,764 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,766 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,767 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,767 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,767 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,767 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2025-02-06 05:11:36,901 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,902 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,907 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,910 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,912 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,912 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,917 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,917 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,918 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,918 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,918 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,918 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,919 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:11:36,944 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[230833,230846] [2025-02-06 05:11:36,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:11:37,101 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:11:37,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:11:37 WrapperNode [2025-02-06 05:11:37,102 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:11:37,103 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:11:37,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:11:37,103 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:11:37,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:11:37" (1/1) ... [2025-02-06 05:11:37,201 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:11:37" (1/1) ... [2025-02-06 05:11:37,245 INFO L138 Inliner]: procedures = 763, calls = 2477, calls flagged for inlining = 68, calls inlined = 5, statements flattened = 533 [2025-02-06 05:11:37,246 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:11:37,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:11:37,246 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:11:37,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:11:37,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:11:37" (1/1) ... [2025-02-06 05:11:37,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:11:37" (1/1) ... [2025-02-06 05:11:37,267 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:11:37" (1/1) ... [2025-02-06 05:11:37,313 INFO L175 MemorySlicer]: Split 353 memory accesses to 7 slices as follows [2, 238, 7, 7, 91, 5, 3]. 67 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 6, 1, 1, 0, 5, 0]. The 244 writes are split as follows [0, 232, 4, 4, 3, 0, 1]. [2025-02-06 05:11:37,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:11:37" (1/1) ... [2025-02-06 05:11:37,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:11:37" (1/1) ... [2025-02-06 05:11:37,350 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:11:37" (1/1) ... [2025-02-06 05:11:37,357 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:11:37" (1/1) ... [2025-02-06 05:11:37,367 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:11:37" (1/1) ... [2025-02-06 05:11:37,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:11:37" (1/1) ... [2025-02-06 05:11:37,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:11:37,383 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:11:37,384 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:11:37,384 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:11:37,385 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:11:37" (1/1) ... [2025-02-06 05:11:37,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:11:37,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:11:37,419 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 05:11:37,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 05:11:37,444 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-02-06 05:11:37,444 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-02-06 05:11:37,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:11:37,445 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:11:37,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:11:37,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:11:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:11:37,445 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:11:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:11:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:11:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:11:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:11:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:11:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:11:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 05:11:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2025-02-06 05:11:37,446 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2025-02-06 05:11:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:11:37,446 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:11:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:11:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:11:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:11:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:11:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:11:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:11:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:11:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 05:11:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:11:37,446 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:11:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure hashlittle2 [2025-02-06 05:11:37,446 INFO L138 BoogieDeclarations]: Found implementation of procedure hashlittle2 [2025-02-06 05:11:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:11:37,446 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:11:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:11:37,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:11:37,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:11:37,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:11:37,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:11:37,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:11:37,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 05:11:37,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:11:37,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:11:37,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:11:37,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:11:37,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:11:37,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:11:37,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 05:11:37,745 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:11:37,747 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:11:37,780 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: havoc #t~malloc588.base, #t~malloc588.offset; [2025-02-06 05:11:37,809 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6305: havoc #t~mem498;havoc #t~short499;havoc #t~mem500;havoc #t~mem501;havoc #t~short502; [2025-02-06 05:11:37,811 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:11:37,820 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:11:37,856 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6864: havoc #t~ret574#1.base, #t~ret574#1.offset; [2025-02-06 05:11:43,892 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9951-2: havoc aws_hash_string_#t~mem1477#1;havoc aws_hash_string_#t~mem1478#1;havoc aws_hash_string_#t~bitwise1479#1; [2025-02-06 05:11:43,892 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9951-1: assume false; [2025-02-06 05:11:43,892 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9951-1: assume !false; [2025-02-06 05:11:43,947 INFO L? ?]: Removed 381 outVars from TransFormulas that were not future-live. [2025-02-06 05:11:43,948 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:11:43,987 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:11:43,987 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:11:43,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:11:43 BoogieIcfgContainer [2025-02-06 05:11:43,988 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:11:43,989 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:11:43,989 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:11:43,993 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:11:43,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:11:34" (1/3) ... [2025-02-06 05:11:43,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74dfa84e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:11:43, skipping insertion in model container [2025-02-06 05:11:43,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:11:37" (2/3) ... [2025-02-06 05:11:43,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74dfa84e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:11:43, skipping insertion in model container [2025-02-06 05:11:43,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:11:43" (3/3) ... [2025-02-06 05:11:43,995 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_string_harness.i [2025-02-06 05:11:44,005 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:11:44,007 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_string_harness.i that has 11 procedures, 352 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-02-06 05:11:44,047 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:11:44,056 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;@70364205, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:11:44,056 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:11:44,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 352 states, 325 states have (on average 1.5538461538461539) internal successors, (505), 326 states have internal predecessors, (505), 15 states have call successors, (15), 10 states have call predecessors, (15), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 05:11:44,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-06 05:11:44,071 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:11:44,072 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:11:44,072 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:11:44,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:11:44,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1871953862, now seen corresponding path program 1 times [2025-02-06 05:11:44,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:11:44,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713812266] [2025-02-06 05:11:44,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:11:44,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:11:48,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-06 05:11:48,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-06 05:11:48,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:11:48,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:11:49,262 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-06 05:11:49,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:11:49,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713812266] [2025-02-06 05:11:49,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713812266] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:11:49,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391066624] [2025-02-06 05:11:49,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:11:49,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:11:49,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:11:49,266 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:11:49,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 05:11:53,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-06 05:11:54,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-06 05:11:54,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:11:54,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:11:54,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 4201 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 05:11:54,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:11:54,101 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-06 05:11:54,101 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:11:54,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391066624] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:11:54,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:11:54,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 05:11:54,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910918899] [2025-02-06 05:11:54,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:11:54,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 05:11:54,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:11:54,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 05:11:54,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 05:11:54,135 INFO L87 Difference]: Start difference. First operand has 352 states, 325 states have (on average 1.5538461538461539) internal successors, (505), 326 states have internal predecessors, (505), 15 states have call successors, (15), 10 states have call predecessors, (15), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-02-06 05:11:54,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:11:54,758 INFO L93 Difference]: Finished difference Result 693 states and 1065 transitions. [2025-02-06 05:11:54,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 05:11:54,760 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 103 [2025-02-06 05:11:54,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:11:54,768 INFO L225 Difference]: With dead ends: 693 [2025-02-06 05:11:54,768 INFO L226 Difference]: Without dead ends: 339 [2025-02-06 05:11:54,771 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 05:11:54,773 INFO L435 NwaCegarLoop]: 480 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 05:11:54,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 480 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 05:11:54,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-02-06 05:11:54,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2025-02-06 05:11:54,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 314 states have (on average 1.5541401273885351) internal successors, (488), 314 states have internal predecessors, (488), 15 states have call successors, (15), 10 states have call predecessors, (15), 9 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 05:11:54,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 517 transitions. [2025-02-06 05:11:54,820 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 517 transitions. Word has length 103 [2025-02-06 05:11:54,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:11:54,825 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 517 transitions. [2025-02-06 05:11:54,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-02-06 05:11:54,825 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 517 transitions. [2025-02-06 05:11:54,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-06 05:11:54,829 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:11:54,829 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:11:54,845 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 05:11:55,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 05:11:55,033 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:11:55,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:11:55,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1760420230, now seen corresponding path program 1 times [2025-02-06 05:11:55,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:11:55,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855875069] [2025-02-06 05:11:55,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:11:55,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:11:58,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-06 05:12:02,626 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-06 05:12:02,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:12:02,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:12:19,512 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-02-06 05:12:19,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:12:19,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855875069] [2025-02-06 05:12:19,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855875069] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:12:19,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983425274] [2025-02-06 05:12:19,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:12:19,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:12:19,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:12:19,516 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:12:19,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 05:12:24,095 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes.