./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 e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 617e08addfe2d13b261907959d3757079a581721356bb3e7b4090decaff2b168 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 18:03:35,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:03:35,083 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:03:35,089 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:03:35,091 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:03:35,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:03:35,115 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:03:35,115 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:03:35,116 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:03:35,116 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:03:35,116 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:03:35,116 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:03:35,117 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:03:35,117 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:03:35,117 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:03:35,117 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:03:35,117 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:03:35,117 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:03:35,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:03:35,118 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:03:35,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:03:35,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:03:35,118 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:03:35,118 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:03:35,118 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:03:35,118 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:03:35,118 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:03:35,118 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:03:35,118 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:03:35,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:03:35,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:03:35,119 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:03:35,119 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:03:35,119 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:03:35,119 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:03:35,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:03:35,119 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:03:35,119 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:03:35,120 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:03:35,120 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:03:35,120 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 617e08addfe2d13b261907959d3757079a581721356bb3e7b4090decaff2b168 [2025-03-08 18:03:35,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:03:35,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:03:35,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:03:35,444 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:03:35,445 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:03:35,445 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i [2025-03-08 18:03:37,218 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a76eb7c8/548fe11628394d3981d6ccb86ce24e7f/FLAGde5fcf809 [2025-03-08 18:03:37,977 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:03:37,983 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i [2025-03-08 18:03:38,044 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a76eb7c8/548fe11628394d3981d6ccb86ce24e7f/FLAGde5fcf809 [2025-03-08 18:03:38,060 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a76eb7c8/548fe11628394d3981d6ccb86ce24e7f [2025-03-08 18:03:38,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:03:38,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:03:38,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:03:38,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:03:38,071 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:03:38,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:03:38" (1/1) ... [2025-03-08 18:03:38,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@257d4e0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:38, skipping insertion in model container [2025-03-08 18:03:38,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:03:38" (1/1) ... [2025-03-08 18:03:38,171 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:03:38,679 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i[4501,4514] [2025-03-08 18:03:38,689 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i[4561,4574] [2025-03-08 18:03:40,654 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:40,655 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:40,665 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:40,666 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:40,667 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:40,689 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:40,693 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:40,694 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:40,696 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:42,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:42,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:42,764 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:42,765 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:42,787 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:42,788 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:42,793 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:42,793 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:42,806 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:42,807 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:42,807 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:42,807 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:42,808 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:42,808 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:42,809 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:42,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:03:42,891 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:03:42,909 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i[4501,4514] [2025-03-08 18:03:42,910 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i[4561,4574] [2025-03-08 18:03:42,948 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:42,948 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:42,948 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:42,949 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:42,949 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:42,954 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:42,954 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:42,955 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:42,955 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:43,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8255] [2025-03-08 18:03:43,082 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:43,083 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:43,134 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:43,135 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:43,140 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:43,141 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:43,143 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:43,143 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:43,149 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:43,149 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:43,150 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:43,150 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:43,150 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:43,150 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:43,151 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:43,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:03:43,409 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:03:43,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:43 WrapperNode [2025-03-08 18:03:43,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:03:43,410 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:03:43,414 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:03:43,415 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:03:43,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:43" (1/1) ... [2025-03-08 18:03:43,566 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:43" (1/1) ... [2025-03-08 18:03:43,611 INFO L138 Inliner]: procedures = 757, calls = 3256, calls flagged for inlining = 77, calls inlined = 7, statements flattened = 402 [2025-03-08 18:03:43,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:03:43,613 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:03:43,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:03:43,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:03:43,623 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:43" (1/1) ... [2025-03-08 18:03:43,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:43" (1/1) ... [2025-03-08 18:03:43,633 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:43" (1/1) ... [2025-03-08 18:03:43,669 INFO L175 MemorySlicer]: Split 277 memory accesses to 4 slices as follows [2, 5, 257, 13]. 93 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0, 0]. The 260 writes are split as follows [0, 0, 257, 3]. [2025-03-08 18:03:43,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:43" (1/1) ... [2025-03-08 18:03:43,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:43" (1/1) ... [2025-03-08 18:03:43,697 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:43" (1/1) ... [2025-03-08 18:03:43,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:43" (1/1) ... [2025-03-08 18:03:43,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:43" (1/1) ... [2025-03-08 18:03:43,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:43" (1/1) ... [2025-03-08 18:03:43,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:03:43,719 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:03:43,720 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:03:43,720 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:03:43,721 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:43" (1/1) ... [2025-03-08 18:03:43,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:03:43,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:03:43,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 18:03:43,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 18:03:43,808 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-03-08 18:03:43,808 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-03-08 18:03:43,808 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-03-08 18:03:43,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-03-08 18:03:43,808 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 18:03:43,808 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 18:03:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:03:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:03:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:03:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:03:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:03:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:03:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:03:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:03:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:03:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:03:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:03:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:03:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:03:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:03:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:03:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:03:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:03:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:03:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:03:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:03:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:03:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:03:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-03-08 18:03:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-03-08 18:03:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:03:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:03:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:03:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:03:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 18:03:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 18:03:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 18:03:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 18:03:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:03:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:03:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:03:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:03:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2025-03-08 18:03:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2025-03-08 18:03:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:03:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:03:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:03:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:03:44,134 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:03:44,141 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:03:44,194 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6899: havoc #t~malloc562.base, #t~malloc562.offset; [2025-03-08 18:03:44,199 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 18:03:44,230 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6257: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-03-08 18:03:44,233 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 18:03:44,266 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6816: havoc #t~ret548#1.base, #t~ret548#1.offset; [2025-03-08 18:03:44,296 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7705: havoc #t~nondet820; [2025-03-08 18:03:50,525 INFO L1307 $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; [2025-03-08 18:03:50,526 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10810-1: assume false; [2025-03-08 18:03:50,526 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10810-1: assume !false; [2025-03-08 18:03:50,626 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2025-03-08 18:03:50,626 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:03:50,637 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:03:50,639 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:03:50,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:03:50 BoogieIcfgContainer [2025-03-08 18:03:50,639 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:03:50,642 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:03:50,642 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:03:50,646 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:03:50,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:03:38" (1/3) ... [2025-03-08 18:03:50,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19581fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:03:50, skipping insertion in model container [2025-03-08 18:03:50,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:43" (2/3) ... [2025-03-08 18:03:50,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19581fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:03:50, skipping insertion in model container [2025-03-08 18:03:50,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:03:50" (3/3) ... [2025-03-08 18:03:50,648 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_string_eq_harness.i [2025-03-08 18:03:50,662 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:03:50,664 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_callback_string_eq_harness.i that has 11 procedures, 110 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 18:03:50,721 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:03:50,732 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;@1d5ac034, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:03:50,733 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 18:03:50,738 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 71 states have internal predecessors, (87), 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) [2025-03-08 18:03:50,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-03-08 18:03:50,746 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:03:50,747 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] [2025-03-08 18:03:50,747 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:03:50,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:03:50,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1759394752, now seen corresponding path program 1 times [2025-03-08 18:03:50,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:03:50,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378374580] [2025-03-08 18:03:50,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:03:50,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:04:44,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-08 18:04:45,391 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-08 18:04:45,392 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:04:45,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:04:46,335 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-08 18:04:46,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:04:46,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378374580] [2025-03-08 18:04:46,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378374580] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:04:46,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48883005] [2025-03-08 18:04:46,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:04:46,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:04:46,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:04:46,350 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:04:46,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process