./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_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_callback_string_eq_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 617e08addfe2d13b261907959d3757079a581721356bb3e7b4090decaff2b168 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:10:05,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:10:05,560 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:10:05,566 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:10:05,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:10:05,594 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:10:05,595 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:10:05,595 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:10:05,595 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:10:05,596 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:10:05,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:10:05,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:10:05,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:10:05,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:10:05,598 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:10:05,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:10:05,598 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:10:05,598 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:10:05,598 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:10:05,598 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:10:05,598 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:10:05,598 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:10:05,598 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:10:05,598 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:10:05,598 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:10:05,598 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:10:05,598 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:10:05,598 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:10:05,598 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:10:05,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:10:05,599 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:10:05,599 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:10:05,599 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:10:05,599 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:10:05,599 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:10:05,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:10:05,599 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:10:05,599 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:10:05,599 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:10:05,599 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:10:05,599 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 -> 617e08addfe2d13b261907959d3757079a581721356bb3e7b4090decaff2b168 [2025-02-06 05:10:05,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:10:05,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:10:05,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:10:05,867 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:10:05,867 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:10:05,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i [2025-02-06 05:10:07,059 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ec24d1e8c/72a10fea66e043a0b774a7bcc3e36b50/FLAG0a333b1a1 [2025-02-06 05:10:07,677 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:10:07,678 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i [2025-02-06 05:10:07,734 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ec24d1e8c/72a10fea66e043a0b774a7bcc3e36b50/FLAG0a333b1a1 [2025-02-06 05:10:07,751 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ec24d1e8c/72a10fea66e043a0b774a7bcc3e36b50 [2025-02-06 05:10:07,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:10:07,756 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:10:07,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:10:07,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:10:07,761 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:10:07,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:10:07" (1/1) ... [2025-02-06 05:10:07,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18450bee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:07, skipping insertion in model container [2025-02-06 05:10:07,764 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:10:07" (1/1) ... [2025-02-06 05:10:07,851 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:10:08,163 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_callback_string_eq_harness.i[4501,4514] [2025-02-06 05:10:08,174 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_callback_string_eq_harness.i[4561,4574] [2025-02-06 05:10:08,848 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:08,848 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:08,849 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:08,849 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:08,850 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:08,861 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:08,862 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:08,863 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:08,864 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:09,404 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:09,404 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:09,688 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:09,689 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:09,713 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:09,714 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:09,720 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:09,721 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:09,738 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:09,739 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:09,739 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:09,740 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:09,740 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:09,740 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:09,740 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:09,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:10:09,878 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:10:09,894 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_callback_string_eq_harness.i[4501,4514] [2025-02-06 05:10:09,895 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_callback_string_eq_harness.i[4561,4574] [2025-02-06 05:10:09,934 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:09,936 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:09,936 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:09,936 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:09,937 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:09,944 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:09,945 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:09,945 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:09,946 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:10,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8255] [2025-02-06 05:10:10,051 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:10,052 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:10,124 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:10,125 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:10,134 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:10,134 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:10,136 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:10,136 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:10,143 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:10,145 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:10,145 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:10,145 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:10,145 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:10,146 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:10,146 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:10:10,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:10:10,393 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:10:10,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:10 WrapperNode [2025-02-06 05:10:10,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:10:10,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:10:10,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:10:10,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:10:10,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:10" (1/1) ... [2025-02-06 05:10:10,495 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:10" (1/1) ... [2025-02-06 05:10:10,554 INFO L138 Inliner]: procedures = 757, calls = 3256, calls flagged for inlining = 77, calls inlined = 7, statements flattened = 402 [2025-02-06 05:10:10,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:10:10,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:10:10,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:10:10,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:10:10,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:10" (1/1) ... [2025-02-06 05:10:10,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:10" (1/1) ... [2025-02-06 05:10:10,568 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:10" (1/1) ... [2025-02-06 05:10:10,594 INFO L175 MemorySlicer]: Split 277 memory accesses to 4 slices as follows [2, 257, 13, 5]. 93 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 0, 0, 5]. The 260 writes are split as follows [0, 257, 3, 0]. [2025-02-06 05:10:10,595 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:10" (1/1) ... [2025-02-06 05:10:10,595 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:10" (1/1) ... [2025-02-06 05:10:10,624 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:10" (1/1) ... [2025-02-06 05:10:10,626 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:10" (1/1) ... [2025-02-06 05:10:10,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:10" (1/1) ... [2025-02-06 05:10:10,637 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:10" (1/1) ... [2025-02-06 05:10:10,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:10:10,644 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:10:10,644 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:10:10,644 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:10:10,645 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:10" (1/1) ... [2025-02-06 05:10:10,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:10:10,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:10:10,675 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 05:10:10,678 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 05:10:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-02-06 05:10:10,703 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-02-06 05:10:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-02-06 05:10:10,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-02-06 05:10:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:10:10,704 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:10:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:10:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:10:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:10:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:10:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:10:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:10:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:10:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:10:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:10:10,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:10:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:10:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:10:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:10:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:10:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:10:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:10:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:10:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:10:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:10:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:10:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:10:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:10:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-02-06 05:10:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-02-06 05:10:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:10:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:10:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:10:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:10:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:10:10,708 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:10:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:10:10,708 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:10:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:10:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:10:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:10:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:10:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2025-02-06 05:10:10,708 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2025-02-06 05:10:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:10:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:10:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:10:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:10:11,037 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:10:11,039 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:10:11,077 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6899: havoc #t~malloc562.base, #t~malloc562.offset; [2025-02-06 05:10:11,090 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:10:11,117 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6257: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-02-06 05:10:11,119 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:10:11,154 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6816: havoc #t~ret548#1.base, #t~ret548#1.offset; [2025-02-06 05:10:11,172 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7705: havoc #t~nondet820; [2025-02-06 05:10:17,391 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L11074: havoc aws_string_eq_#t~mem2108#1;havoc aws_string_eq_#t~mem2109#1;havoc aws_string_eq_#t~ret2110#1; [2025-02-06 05:10:17,392 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10810-1: assume false; [2025-02-06 05:10:17,392 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10810-1: assume !false; [2025-02-06 05:10:17,496 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2025-02-06 05:10:17,496 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:10:17,507 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:10:17,509 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:10:17,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:10:17 BoogieIcfgContainer [2025-02-06 05:10:17,509 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:10:17,511 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:10:17,512 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:10:17,515 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:10:17,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:10:07" (1/3) ... [2025-02-06 05:10:17,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33cc1609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:10:17, skipping insertion in model container [2025-02-06 05:10:17,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:10:10" (2/3) ... [2025-02-06 05:10:17,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33cc1609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:10:17, skipping insertion in model container [2025-02-06 05:10:17,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:10:17" (3/3) ... [2025-02-06 05:10:17,517 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_string_eq_harness.i [2025-02-06 05:10:17,530 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:10:17,531 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_callback_string_eq_harness.i that has 11 procedures, 111 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 05:10:17,583 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:10:17,592 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;@df83e14, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:10:17,593 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:10:17,596 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 71 states have (on average 1.2394366197183098) internal successors, (88), 72 states have internal predecessors, (88), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-06 05:10:17,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-02-06 05:10:17,605 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:10:17,606 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2025-02-06 05:10:17,606 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:10:17,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:10:17,612 INFO L85 PathProgramCache]: Analyzing trace with hash -651096256, now seen corresponding path program 1 times [2025-02-06 05:10:17,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:10:17,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768217377] [2025-02-06 05:10:17,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:10:17,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:11:10,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-06 05:11:11,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-06 05:11:11,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:11:11,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:11:11,818 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 05:11:11,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:11:11,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768217377] [2025-02-06 05:11:11,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768217377] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:11:11,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928947452] [2025-02-06 05:11:11,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:11:11,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:11:11,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:11:11,823 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 05:11:11,825 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