./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness_negated.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_array_ignore_case_harness_negated.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 eb16ce57f148cd0a3f1a30b23c27b5601e2ffeb5bb3593f6e64dd708af61f42d --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:08:49,451 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:08:49,509 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:08:49,513 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:08:49,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:08:49,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:08:49,533 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:08:49,534 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:08:49,534 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:08:49,534 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:08:49,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:08:49,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:08:49,535 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:08:49,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:08:49,535 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:08:49,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:08:49,536 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:08:49,536 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:08:49,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:08:49,536 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:08:49,536 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:08:49,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:08:49,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:08:49,536 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:08:49,536 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:08:49,537 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:08:49,537 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:08:49,537 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:08:49,537 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:08:49,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:08:49,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:08:49,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:08:49,537 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:08:49,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:08:49,537 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:08:49,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:08:49,537 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:08:49,537 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:08:49,537 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:08:49,537 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:08:49,537 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 -> eb16ce57f148cd0a3f1a30b23c27b5601e2ffeb5bb3593f6e64dd708af61f42d [2025-02-06 05:08:49,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:08:49,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:08:49,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:08:49,756 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:08:49,756 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:08:49,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness_negated.i [2025-02-06 05:08:50,913 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/349146133/f35b8051527b48e8b589c3c27086b1a7/FLAGbf0214a5d [2025-02-06 05:08:51,373 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:08:51,374 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness_negated.i [2025-02-06 05:08:51,405 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/349146133/f35b8051527b48e8b589c3c27086b1a7/FLAGbf0214a5d [2025-02-06 05:08:51,492 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/349146133/f35b8051527b48e8b589c3c27086b1a7 [2025-02-06 05:08:51,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:08:51,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:08:51,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:08:51,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:08:51,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:08:51,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:08:51" (1/1) ... [2025-02-06 05:08:51,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28926a11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:08:51, skipping insertion in model container [2025-02-06 05:08:51,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:08:51" (1/1) ... [2025-02-06 05:08:51,564 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:08:51,733 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_array_ignore_case_harness_negated.i[4500,4513] [2025-02-06 05:08:51,740 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_array_ignore_case_harness_negated.i[4560,4573] [2025-02-06 05:08:52,275 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:08:52,276 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:08:52,276 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:08:52,276 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:08:52,277 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:08:52,285 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:08:52,286 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:08:52,287 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:08:52,287 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:08:52,778 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:08:52,778 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:08:52,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:08:52,897 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:08:52,907 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_array_ignore_case_harness_negated.i[4500,4513] [2025-02-06 05:08:52,908 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_array_ignore_case_harness_negated.i[4560,4573] [2025-02-06 05:08:52,952 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:08:52,952 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:08:52,952 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:08:52,954 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:08:52,955 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:08:52,960 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:08:52,960 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:08:52,961 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:08:52,961 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:08:53,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-02-06 05:08:53,063 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:08:53,064 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:08:53,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2025-02-06 05:08:53,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:08:53,262 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:08:53,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:08:53 WrapperNode [2025-02-06 05:08:53,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:08:53,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:08:53,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:08:53,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:08:53,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:08:53" (1/1) ... [2025-02-06 05:08:53,340 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:08:53" (1/1) ... [2025-02-06 05:08:53,412 INFO L138 Inliner]: procedures = 679, calls = 2595, calls flagged for inlining = 55, calls inlined = 3, statements flattened = 726 [2025-02-06 05:08:53,413 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:08:53,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:08:53,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:08:53,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:08:53,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:08:53" (1/1) ... [2025-02-06 05:08:53,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:08:53" (1/1) ... [2025-02-06 05:08:53,426 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:08:53" (1/1) ... [2025-02-06 05:08:53,480 INFO L175 MemorySlicer]: Split 504 memory accesses to 5 slices as follows [2, 258, 238, 1, 5]. 51 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 6, 0, 5]. The 489 writes are split as follows [0, 257, 232, 0, 0]. [2025-02-06 05:08:53,482 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:08:53" (1/1) ... [2025-02-06 05:08:53,482 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:08:53" (1/1) ... [2025-02-06 05:08:53,505 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:08:53" (1/1) ... [2025-02-06 05:08:53,511 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:08:53" (1/1) ... [2025-02-06 05:08:53,518 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:08:53" (1/1) ... [2025-02-06 05:08:53,522 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:08:53" (1/1) ... [2025-02-06 05:08:53,532 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:08:53,534 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:08:53,535 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:08:53,535 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:08:53,536 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:08:53" (1/1) ... [2025-02-06 05:08:53,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:08:53,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:08:53,564 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 05:08:53,570 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 05:08:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:08:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:08:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:08:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:08:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:08:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:08:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:08:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:08:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:08:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:08:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:08:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:08:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:08:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:08:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:08:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:08:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:08:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:08:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_array_ignore_case [2025-02-06 05:08:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_array_ignore_case [2025-02-06 05:08:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:08:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:08:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-06 05:08:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-06 05:08:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:08:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:08:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:08:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:08:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:08:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-06 05:08:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-06 05:08:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:08:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:08:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:08:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:08:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:08:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:08:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:08:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:08:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:08:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:08:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:08:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:08:53,769 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:08:53,771 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:08:53,796 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 05:08:53,803 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:08:53,804 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-06 05:08:53,811 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6888: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-02-06 05:09:00,674 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2025-02-06 05:09:00,674 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:09:00,685 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:09:00,686 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:09:00,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:09:00 BoogieIcfgContainer [2025-02-06 05:09:00,686 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:09:00,688 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:09:00,688 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:09:00,691 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:09:00,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:08:51" (1/3) ... [2025-02-06 05:09:00,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c0356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:09:00, skipping insertion in model container [2025-02-06 05:09:00,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:08:53" (2/3) ... [2025-02-06 05:09:00,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c0356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:09:00, skipping insertion in model container [2025-02-06 05:09:00,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:09:00" (3/3) ... [2025-02-06 05:09:00,693 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_array_ignore_case_harness_negated.i [2025-02-06 05:09:00,704 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:09:00,705 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_array_ignore_case_harness_negated.i that has 8 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 05:09:00,742 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:09:00,752 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;@72951c2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:09:00,752 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:09:00,756 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 37 states have internal predecessors, (44), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 05:09:00,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-06 05:09:00,762 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:09:00,762 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-02-06 05:09:00,763 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:09:00,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:09:00,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1086061317, now seen corresponding path program 1 times [2025-02-06 05:09:00,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:09:00,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661555215] [2025-02-06 05:09:00,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:09:00,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:10:29,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 05:10:30,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 05:10:30,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:10:30,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:10:30,859 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 05:10:30,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:10:30,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661555215] [2025-02-06 05:10:30,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661555215] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:10:30,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427704433] [2025-02-06 05:10:30,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:10:30,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:10:30,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:10:30,862 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 05:10:30,864 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