./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.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_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 81878f133cf1520a898ab1dccc3c4ea8564ccc1e7b92efe6b8b73fb69d10ec78 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:18:13,963 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:18:14,019 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:18:14,024 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:18:14,026 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:18:14,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:18:14,054 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:18:14,054 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:18:14,055 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:18:14,055 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:18:14,055 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:18:14,055 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:18:14,056 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:18:14,056 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:18:14,056 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:18:14,056 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:18:14,057 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:18:14,057 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:18:14,057 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:18:14,058 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:18:14,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:18:14,058 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:18:14,059 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:18:14,059 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:18:14,059 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:18:14,059 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:18:14,060 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:18:14,060 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:18:14,060 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:18:14,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:18:14,061 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:18:14,061 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:18:14,061 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:18:14,061 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:18:14,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:18:14,062 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:18:14,062 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:18:14,062 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:18:14,062 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:18:14,063 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81878f133cf1520a898ab1dccc3c4ea8564ccc1e7b92efe6b8b73fb69d10ec78 [2024-11-22 14:18:14,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:18:14,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:18:14,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:18:14,287 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:18:14,288 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:18:14,289 INFO L431 ainManager$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_negated.i [2024-11-22 14:18:15,569 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:18:15,926 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:18:15,930 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i [2024-11-22 14:18:15,972 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca676934d/f2346bd6948341c5af3d7c5f0ab43f9c/FLAG4fff68b1d [2024-11-22 14:18:16,131 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca676934d/f2346bd6948341c5af3d7c5f0ab43f9c [2024-11-22 14:18:16,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:18:16,135 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:18:16,136 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:18:16,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:18:16,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:18:16,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:18:16" (1/1) ... [2024-11-22 14:18:16,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@324dc0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:16, skipping insertion in model container [2024-11-22 14:18:16,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:18:16" (1/1) ... [2024-11-22 14:18:16,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:18:16,463 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_negated.i[4501,4514] [2024-11-22 14:18:16,468 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_negated.i[4561,4574] [2024-11-22 14:18:17,088 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,090 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,090 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,091 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,091 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,103 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,105 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,108 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,109 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,548 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,550 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,717 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,720 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,773 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,780 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,791 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,791 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,800 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,801 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,801 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,802 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,802 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,802 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,802 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:18:17,870 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:18:17,881 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_negated.i[4501,4514] [2024-11-22 14:18:17,882 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_negated.i[4561,4574] [2024-11-22 14:18:17,903 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,903 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,904 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,904 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,904 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,910 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,910 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,911 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,911 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8223] [2024-11-22 14:18:17,990 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:17,990 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:18,043 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:18,043 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:18,051 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:18,052 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:18,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:18,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:18,060 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:18,061 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:18,061 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:18,061 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:18,061 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:18,062 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:18,062 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:18:18,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:18:18,327 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:18:18,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:18 WrapperNode [2024-11-22 14:18:18,328 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:18:18,329 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:18:18,329 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:18:18,329 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:18:18,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:18" (1/1) ... [2024-11-22 14:18:18,430 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:18" (1/1) ... [2024-11-22 14:18:18,470 INFO L138 Inliner]: procedures = 757, calls = 3256, calls flagged for inlining = 77, calls inlined = 7, statements flattened = 403 [2024-11-22 14:18:18,471 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:18:18,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:18:18,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:18:18,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:18:18,480 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:18" (1/1) ... [2024-11-22 14:18:18,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:18" (1/1) ... [2024-11-22 14:18:18,484 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:18" (1/1) ... [2024-11-22 14:18:18,508 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]. [2024-11-22 14:18:18,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:18" (1/1) ... [2024-11-22 14:18:18,508 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:18" (1/1) ... [2024-11-22 14:18:18,525 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:18" (1/1) ... [2024-11-22 14:18:18,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:18" (1/1) ... [2024-11-22 14:18:18,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:18" (1/1) ... [2024-11-22 14:18:18,533 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:18" (1/1) ... [2024-11-22 14:18:18,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:18:18,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:18:18,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:18:18,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:18:18,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:18" (1/1) ... [2024-11-22 14:18:18,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:18:18,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:18:18,574 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) [2024-11-22 14:18:18,628 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 [2024-11-22 14:18:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-22 14:18:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-22 14:18:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-22 14:18:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-22 14:18:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:18:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:18:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:18:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:18:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:18:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:18:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:18:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:18:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:18:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:18:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:18:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:18:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:18:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:18:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:18:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:18:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:18:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:18:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:18:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:18:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:18:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:18:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:18:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:18:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-22 14:18:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-22 14:18:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:18:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:18:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:18:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:18:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:18:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:18:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-22 14:18:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-22 14:18:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:18:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:18:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:18:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:18:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2024-11-22 14:18:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2024-11-22 14:18:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:18:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:18:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:18:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:18:18,897 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:18:18,899 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:18:25,268 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !true; [2024-11-22 14:18:25,348 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2024-11-22 14:18:25,348 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:18:25,358 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:18:25,358 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-22 14:18:25,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:18:25 BoogieIcfgContainer [2024-11-22 14:18:25,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:18:25,360 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:18:25,360 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:18:25,362 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:18:25,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:18:16" (1/3) ... [2024-11-22 14:18:25,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5f8093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:18:25, skipping insertion in model container [2024-11-22 14:18:25,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:18" (2/3) ... [2024-11-22 14:18:25,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5f8093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:18:25, skipping insertion in model container [2024-11-22 14:18:25,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:18:25" (3/3) ... [2024-11-22 14:18:25,364 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_string_eq_harness_negated.i [2024-11-22 14:18:25,375 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:18:25,375 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:18:25,416 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:18:25,423 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;@452a3a53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:18:25,423 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:18:25,431 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) [2024-11-22 14:18:25,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-22 14:18:25,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:18:25,445 INFO L215 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] [2024-11-22 14:18:25,445 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:18:25,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:18:25,449 INFO L85 PathProgramCache]: Analyzing trace with hash 436511225, now seen corresponding path program 1 times [2024-11-22 14:18:25,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:18:25,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984497420] [2024-11-22 14:18:25,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:18:25,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:19:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:19:15,745 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 14:19:15,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:19:15,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984497420] [2024-11-22 14:19:15,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984497420] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:19:15,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727998203] [2024-11-22 14:19:15,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:19:15,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:19:15,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:19:15,752 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) [2024-11-22 14:19:15,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process