./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 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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-3061b6d-m [2024-11-19 02:18:32,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:18:32,930 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:18:32,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:18:32,938 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:18:32,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:18:32,977 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:18:32,978 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:18:32,978 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:18:32,978 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:18:32,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:18:32,979 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:18:32,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:18:32,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:18:32,980 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:18:32,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:18:32,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:18:32,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:18:32,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:18:32,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:18:32,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:18:32,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:18:32,983 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:18:32,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:18:32,983 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:18:32,983 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:18:32,984 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:18:32,984 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:18:32,984 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:18:32,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:18:32,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:18:32,985 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:18:32,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:18:32,985 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:18:32,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:18:32,986 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:18:32,986 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:18:32,986 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:18:32,986 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:18:32,987 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81878f133cf1520a898ab1dccc3c4ea8564ccc1e7b92efe6b8b73fb69d10ec78 [2024-11-19 02:18:33,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:18:33,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:18:33,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:18:33,227 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:18:33,228 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:18:33,229 INFO L431 ainManager$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 [2024-11-19 02:18:34,629 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:18:35,042 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:18:35,043 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i [2024-11-19 02:18:35,086 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c4501f45/f15edbbeea2d4ca4a47113ed46ff0911/FLAG0a0d5c2ae [2024-11-19 02:18:35,102 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c4501f45/f15edbbeea2d4ca4a47113ed46ff0911 [2024-11-19 02:18:35,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:18:35,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:18:35,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:18:35,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:18:35,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:18:35,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:18:35" (1/1) ... [2024-11-19 02:18:35,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4918c2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:35, skipping insertion in model container [2024-11-19 02:18:35,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:18:35" (1/1) ... [2024-11-19 02:18:35,233 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:18:35,526 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] [2024-11-19 02:18:35,535 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] [2024-11-19 02:18:36,303 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,304 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,304 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,305 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,309 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,326 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,327 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,330 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,330 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,851 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,851 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,079 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,079 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,177 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,181 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,214 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,215 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,230 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,231 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,232 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,232 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,232 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,233 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,233 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:18:37,332 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:18:37,347 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] [2024-11-19 02:18:37,352 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] [2024-11-19 02:18:37,385 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,386 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,386 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,386 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,387 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,393 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,393 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,394 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,395 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8223] [2024-11-19 02:18:37,503 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,503 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,585 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,585 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,596 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,597 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,602 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,603 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,665 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,666 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,666 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,666 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,667 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,667 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,668 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:37,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:18:37,862 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:18:37,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37 WrapperNode [2024-11-19 02:18:37,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:18:37,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:18:37,865 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:18:37,865 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:18:37,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (1/1) ... [2024-11-19 02:18:37,964 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (1/1) ... [2024-11-19 02:18:38,019 INFO L138 Inliner]: procedures = 757, calls = 3256, calls flagged for inlining = 77, calls inlined = 7, statements flattened = 403 [2024-11-19 02:18:38,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:18:38,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:18:38,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:18:38,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:18:38,045 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (1/1) ... [2024-11-19 02:18:38,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (1/1) ... [2024-11-19 02:18:38,056 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (1/1) ... [2024-11-19 02:18:38,092 INFO L175 MemorySlicer]: Split 277 memory accesses to 4 slices as follows [2, 13, 5, 257]. 93 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 0, 5, 0]. The 260 writes are split as follows [0, 3, 0, 257]. [2024-11-19 02:18:38,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (1/1) ... [2024-11-19 02:18:38,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (1/1) ... [2024-11-19 02:18:38,117 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (1/1) ... [2024-11-19 02:18:38,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (1/1) ... [2024-11-19 02:18:38,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (1/1) ... [2024-11-19 02:18:38,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (1/1) ... [2024-11-19 02:18:38,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:18:38,152 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:18:38,152 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:18:38,152 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:18:38,153 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (1/1) ... [2024-11-19 02:18:38,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:18:38,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:18:38,183 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) [2024-11-19 02:18:38,189 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 [2024-11-19 02:18:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-19 02:18:38,224 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-19 02:18:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-19 02:18:38,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-19 02:18:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:18:38,225 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:18:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:18:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:18:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:18:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:18:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:18:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:18:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:18:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:18:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:18:38,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:18:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:18:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:18:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:18:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:18:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:18:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:18:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:18:38,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:18:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:18:38,227 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:18:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:18:38,227 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:18:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-19 02:18:38,228 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-19 02:18:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:18:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:18:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:18:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:18:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:18:38,228 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:18:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:18:38,228 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:18:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:18:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:18:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:18:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:18:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2024-11-19 02:18:38,229 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2024-11-19 02:18:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:18:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:18:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:18:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:18:38,490 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:18:38,493 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:18:44,983 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !true; [2024-11-19 02:18:45,052 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2024-11-19 02:18:45,053 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:18:45,067 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:18:45,067 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 02:18:45,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:18:45 BoogieIcfgContainer [2024-11-19 02:18:45,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:18:45,069 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:18:45,069 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:18:45,072 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:18:45,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:18:35" (1/3) ... [2024-11-19 02:18:45,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2670c2d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:18:45, skipping insertion in model container [2024-11-19 02:18:45,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (2/3) ... [2024-11-19 02:18:45,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2670c2d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:18:45, skipping insertion in model container [2024-11-19 02:18:45,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:18:45" (3/3) ... [2024-11-19 02:18:45,075 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_string_eq_harness_negated.i [2024-11-19 02:18:45,089 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:18:45,089 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:18:45,144 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:18:45,151 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;@682160, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:18:45,151 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:18:45,155 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) [2024-11-19 02:18:45,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-19 02:18:45,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:18:45,164 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] [2024-11-19 02:18:45,165 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:18:45,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:18:45,168 INFO L85 PathProgramCache]: Analyzing trace with hash 436511225, now seen corresponding path program 1 times [2024-11-19 02:18:45,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:18:45,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288394] [2024-11-19 02:18:45,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:18:45,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:19:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:19:36,076 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-19 02:19:36,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:19:36,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288394] [2024-11-19 02:19:36,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288394] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:19:36,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352986135] [2024-11-19 02:19:36,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:19:36,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:19:36,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:19:36,081 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) [2024-11-19 02:19:36,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process