./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 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_ptr_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 8a0b5a13bc0cd9ac0fb58e3f0fb0ce73618d32a93a2f1618c04758a1acc93ca6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 03:04:35,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 03:04:35,557 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 03:04:35,560 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 03:04:35,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 03:04:35,584 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 03:04:35,584 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 03:04:35,584 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 03:04:35,585 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 03:04:35,585 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 03:04:35,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 03:04:35,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 03:04:35,585 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 03:04:35,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 03:04:35,585 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 03:04:35,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 03:04:35,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 03:04:35,586 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 03:04:35,586 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 03:04:35,586 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 03:04:35,586 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 03:04:35,586 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 03:04:35,586 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 03:04:35,586 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 03:04:35,586 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 03:04:35,586 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 03:04:35,586 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 03:04:35,587 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 03:04:35,587 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 03:04:35,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:04:35,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 03:04:35,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 03:04:35,587 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 03:04:35,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 03:04:35,587 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 03:04:35,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 03:04:35,587 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 03:04:35,587 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 03:04:35,587 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 03:04:35,587 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 03:04:35,588 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 -> 8a0b5a13bc0cd9ac0fb58e3f0fb0ce73618d32a93a2f1618c04758a1acc93ca6 [2025-03-04 03:04:35,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 03:04:35,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 03:04:35,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 03:04:35,819 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 03:04:35,819 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 03:04:35,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness_negated.i [2025-03-04 03:04:36,928 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02ad49544/b8663a6f9cc443be9a9c34a9fe392dd8/FLAG207ef77d0 [2025-03-04 03:04:37,349 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 03:04:37,349 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness_negated.i [2025-03-04 03:04:37,385 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02ad49544/b8663a6f9cc443be9a9c34a9fe392dd8/FLAG207ef77d0 [2025-03-04 03:04:37,398 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02ad49544/b8663a6f9cc443be9a9c34a9fe392dd8 [2025-03-04 03:04:37,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 03:04:37,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 03:04:37,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 03:04:37,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 03:04:37,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 03:04:37,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:04:37" (1/1) ... [2025-03-04 03:04:37,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@701115b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:37, skipping insertion in model container [2025-03-04 03:04:37,409 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:04:37" (1/1) ... [2025-03-04 03:04:37,485 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 03:04:37,720 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_ptr_eq_harness_negated.i[4484,4497] [2025-03-04 03:04:37,729 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_ptr_eq_harness_negated.i[4544,4557] [2025-03-04 03:04:38,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,177 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,185 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,186 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,187 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,187 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,188 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,189 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,189 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,189 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,495 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,496 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,504 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,505 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,512 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,512 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,518 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,519 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,520 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,520 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,521 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,522 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,522 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,726 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_ptr_eq_harness_negated.i[178297,178310] [2025-03-04 03:04:38,727 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_ptr_eq_harness_negated.i[178516,178529] [2025-03-04 03:04:38,730 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_ptr_eq_harness_negated.i[178712,178725] [2025-03-04 03:04:38,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:04:38,740 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 03:04:38,754 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_ptr_eq_harness_negated.i[4484,4497] [2025-03-04 03:04:38,754 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_ptr_eq_harness_negated.i[4544,4557] [2025-03-04 03:04:38,792 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,794 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,794 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,794 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,795 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,803 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,803 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,804 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,804 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,806 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,806 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,806 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,809 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,878 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,878 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,881 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,882 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,884 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,884 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,885 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,886 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,886 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,886 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,886 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,887 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,887 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:38,915 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_ptr_eq_harness_negated.i[178297,178310] [2025-03-04 03:04:38,915 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_ptr_eq_harness_negated.i[178516,178529] [2025-03-04 03:04:38,915 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_ptr_eq_harness_negated.i[178712,178725] [2025-03-04 03:04:38,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:04:39,040 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: aws_add_size_checked [2025-03-04 03:04:39,046 INFO L204 MainTranslator]: Completed translation [2025-03-04 03:04:39,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:39 WrapperNode [2025-03-04 03:04:39,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 03:04:39,048 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 03:04:39,048 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 03:04:39,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 03:04:39,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:39" (1/1) ... [2025-03-04 03:04:39,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:39" (1/1) ... [2025-03-04 03:04:39,133 INFO L138 Inliner]: procedures = 742, calls = 1441, calls flagged for inlining = 50, calls inlined = 4, statements flattened = 23 [2025-03-04 03:04:39,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 03:04:39,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 03:04:39,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 03:04:39,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 03:04:39,142 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:39" (1/1) ... [2025-03-04 03:04:39,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:39" (1/1) ... [2025-03-04 03:04:39,146 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:39" (1/1) ... [2025-03-04 03:04:39,157 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-04 03:04:39,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:39" (1/1) ... [2025-03-04 03:04:39,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:39" (1/1) ... [2025-03-04 03:04:39,168 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:39" (1/1) ... [2025-03-04 03:04:39,173 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:39" (1/1) ... [2025-03-04 03:04:39,174 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:39" (1/1) ... [2025-03-04 03:04:39,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:39" (1/1) ... [2025-03-04 03:04:39,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 03:04:39,184 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 03:04:39,184 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 03:04:39,184 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 03:04:39,185 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:39" (1/1) ... [2025-03-04 03:04:39,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:04:39,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:04:39,219 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) [2025-03-04 03:04:39,231 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 [2025-03-04 03:04:39,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 03:04:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 03:04:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 03:04:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 03:04:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 03:04:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 03:04:39,443 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 03:04:39,445 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 03:04:39,520 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2025-03-04 03:04:39,521 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 03:04:39,529 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 03:04:39,529 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 03:04:39,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:04:39 BoogieIcfgContainer [2025-03-04 03:04:39,530 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 03:04:39,533 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 03:04:39,533 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 03:04:39,536 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 03:04:39,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:04:37" (1/3) ... [2025-03-04 03:04:39,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e1f316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:04:39, skipping insertion in model container [2025-03-04 03:04:39,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:39" (2/3) ... [2025-03-04 03:04:39,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e1f316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:04:39, skipping insertion in model container [2025-03-04 03:04:39,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:04:39" (3/3) ... [2025-03-04 03:04:39,539 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ptr_eq_harness_negated.i [2025-03-04 03:04:39,550 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 03:04:39,551 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ptr_eq_harness_negated.i that has 2 procedures, 14 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-04 03:04:39,601 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 03:04:39,615 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;@36d52367, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 03:04:39,615 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 03:04:39,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 03:04:39,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-04 03:04:39,625 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:04:39,625 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:04:39,625 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:04:39,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:04:39,631 INFO L85 PathProgramCache]: Analyzing trace with hash -458669791, now seen corresponding path program 1 times [2025-03-04 03:04:39,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:04:39,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148041206] [2025-03-04 03:04:39,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:04:39,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:04:39,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 03:04:39,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 03:04:39,802 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:04:39,802 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 03:04:39,802 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 03:04:39,814 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 03:04:39,843 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 03:04:39,843 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:04:39,843 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 03:04:39,864 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 03:04:39,866 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-04 03:04:39,867 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-04 03:04:39,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 03:04:39,874 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-03-04 03:04:39,887 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 03:04:39,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 03:04:39 BoogieIcfgContainer [2025-03-04 03:04:39,890 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 03:04:39,891 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 03:04:39,891 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 03:04:39,891 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 03:04:39,893 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:04:39" (3/4) ... [2025-03-04 03:04:39,893 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-03-04 03:04:39,929 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 6. [2025-03-04 03:04:39,963 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 03:04:39,964 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 03:04:39,964 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 03:04:39,965 INFO L158 Benchmark]: Toolchain (without parser) took 2563.02ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 97.8MB in the beginning and 62.1MB in the end (delta: 35.7MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2025-03-04 03:04:39,965 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 03:04:39,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1643.17ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 97.8MB in the beginning and 54.0MB in the end (delta: 43.8MB). Peak memory consumption was 93.7MB. Max. memory is 16.1GB. [2025-03-04 03:04:39,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.48ms. Allocated memory is still 151.0MB. Free memory was 53.3MB in the beginning and 47.2MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 03:04:39,966 INFO L158 Benchmark]: Boogie Preprocessor took 48.87ms. Allocated memory is still 151.0MB. Free memory was 47.2MB in the beginning and 44.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 03:04:39,966 INFO L158 Benchmark]: IcfgBuilder took 345.72ms. Allocated memory is still 151.0MB. Free memory was 44.9MB in the beginning and 86.2MB in the end (delta: -41.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2025-03-04 03:04:39,966 INFO L158 Benchmark]: TraceAbstraction took 357.68ms. Allocated memory is still 151.0MB. Free memory was 86.2MB in the beginning and 68.6MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 03:04:39,966 INFO L158 Benchmark]: Witness Printer took 72.94ms. Allocated memory is still 151.0MB. Free memory was 68.6MB in the beginning and 62.1MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 03:04:39,967 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1643.17ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 97.8MB in the beginning and 54.0MB in the end (delta: 43.8MB). Peak memory consumption was 93.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.48ms. Allocated memory is still 151.0MB. Free memory was 53.3MB in the beginning and 47.2MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.87ms. Allocated memory is still 151.0MB. Free memory was 47.2MB in the beginning and 44.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 345.72ms. Allocated memory is still 151.0MB. Free memory was 44.9MB in the beginning and 86.2MB in the end (delta: -41.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 357.68ms. Allocated memory is still 151.0MB. Free memory was 86.2MB in the beginning and 68.6MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 72.94ms. Allocated memory is still 151.0MB. Free memory was 68.6MB in the beginning and 62.1MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 223]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L8629] static __thread int tl_last_error = 0; VAL [tl_last_error=0] [L8654] CALL aws_ptr_eq_harness() [L8647] void *p1; [L8648] void *p2; [L8651] CALL, EXPR aws_ptr_eq(p1, p2) [L6823] return a == b; VAL [\result=1, tl_last_error=0] [L8651] RET, EXPR aws_ptr_eq(p1, p2) [L8650-L8651] _Bool rval = aws_ptr_eq(p1, p2); [L8652] CALL __VERIFIER_assert(!(rval == (p1 == p2))) VAL [\old(cond)=0, tl_last_error=0] [L223] COND TRUE !cond VAL [\old(cond)=0, tl_last_error=0] [L223] reach_error() VAL [\old(cond)=0, tl_last_error=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2025-03-04 03:04:39,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE