./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 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8a0b5a13bc0cd9ac0fb58e3f0fb0ce73618d32a93a2f1618c04758a1acc93ca6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:28:28,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:28:28,665 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:28:28,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:28:28,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:28:28,694 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:28:28,695 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:28:28,696 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:28:28,696 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:28:28,696 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:28:28,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:28:28,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:28:28,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:28:28,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:28:28,697 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:28:28,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:28:28,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:28:28,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:28:28,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:28:28,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:28:28,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:28:28,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:28:28,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:28:28,699 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:28:28,699 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:28:28,699 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:28:28,699 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:28:28,699 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:28:28,699 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:28:28,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:28:28,699 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:28:28,700 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:28:28,700 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:28:28,700 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:28:28,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:28:28,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:28:28,700 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:28:28,700 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:28:28,700 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:28:28,700 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:28:28,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:28:28,700 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:28:28,700 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:28:28,701 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:28:28,701 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:28:28,701 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a0b5a13bc0cd9ac0fb58e3f0fb0ce73618d32a93a2f1618c04758a1acc93ca6 [2025-01-09 17:28:28,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:28:28,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:28:28,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:28:28,931 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:28:28,932 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:28:28,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness_negated.i [2025-01-09 17:28:30,069 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/640dc53fc/496a2570f04c4cef858bf30623315afb/FLAG5707afbc5 [2025-01-09 17:28:30,541 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:28:30,543 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness_negated.i [2025-01-09 17:28:30,579 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/640dc53fc/496a2570f04c4cef858bf30623315afb/FLAG5707afbc5 [2025-01-09 17:28:30,645 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/640dc53fc/496a2570f04c4cef858bf30623315afb [2025-01-09 17:28:30,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:28:30,648 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:28:30,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:28:30,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:28:30,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:28:30,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:28:30" (1/1) ... [2025-01-09 17:28:30,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354fb95c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:30, skipping insertion in model container [2025-01-09 17:28:30,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:28:30" (1/1) ... [2025-01-09 17:28:30,725 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:28:30,895 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness_negated.i[4484,4497] [2025-01-09 17:28:30,904 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness_negated.i[4544,4557] [2025-01-09 17:28:31,416 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,417 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,417 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,417 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,418 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,427 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,428 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,428 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,429 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,430 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,430 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,431 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,856 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,857 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,870 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,871 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,879 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,879 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,887 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,888 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,889 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,890 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,890 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,890 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:31,891 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,175 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness_negated.i[178297,178310] [2025-01-09 17:28:32,176 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness_negated.i[178516,178529] [2025-01-09 17:28:32,176 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness_negated.i[178712,178725] [2025-01-09 17:28:32,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:28:32,190 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:28:32,201 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness_negated.i[4484,4497] [2025-01-09 17:28:32,201 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness_negated.i[4544,4557] [2025-01-09 17:28:32,244 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,245 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,245 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,245 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,245 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,251 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,252 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,253 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,253 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,254 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,254 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,254 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,254 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,362 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,363 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,365 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,365 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,374 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,375 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,375 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,375 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,376 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,376 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,376 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:32,421 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness_negated.i[178297,178310] [2025-01-09 17:28:32,421 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness_negated.i[178516,178529] [2025-01-09 17:28:32,421 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness_negated.i[178712,178725] [2025-01-09 17:28:32,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:28:32,578 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: aws_add_size_checked [2025-01-09 17:28:32,591 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:28:32,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:32 WrapperNode [2025-01-09 17:28:32,593 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:28:32,594 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:28:32,595 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:28:32,595 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:28:32,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:32" (1/1) ... [2025-01-09 17:28:32,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:32" (1/1) ... [2025-01-09 17:28:32,693 INFO L138 Inliner]: procedures = 742, calls = 1441, calls flagged for inlining = 50, calls inlined = 4, statements flattened = 23 [2025-01-09 17:28:32,693 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:28:32,694 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:28:32,694 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:28:32,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:28:32,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:32" (1/1) ... [2025-01-09 17:28:32,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:32" (1/1) ... [2025-01-09 17:28:32,707 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:32" (1/1) ... [2025-01-09 17:28:32,719 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]. [2025-01-09 17:28:32,720 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:32" (1/1) ... [2025-01-09 17:28:32,720 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:32" (1/1) ... [2025-01-09 17:28:32,732 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:32" (1/1) ... [2025-01-09 17:28:32,733 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:32" (1/1) ... [2025-01-09 17:28:32,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:32" (1/1) ... [2025-01-09 17:28:32,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:32" (1/1) ... [2025-01-09 17:28:32,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:32" (1/1) ... [2025-01-09 17:28:32,741 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:28:32,742 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:28:32,742 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:28:32,742 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:28:32,743 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:32" (1/1) ... [2025-01-09 17:28:32,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:28:32,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:28:32,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 17:28:32,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 17:28:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:28:32,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:28:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:28:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:28:32,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:28:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:28:32,976 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:28:32,978 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:28:33,049 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2025-01-09 17:28:33,049 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:28:33,058 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:28:33,058 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:28:33,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:28:33 BoogieIcfgContainer [2025-01-09 17:28:33,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:28:33,060 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:28:33,061 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:28:33,064 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:28:33,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:28:30" (1/3) ... [2025-01-09 17:28:33,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d06e3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:28:33, skipping insertion in model container [2025-01-09 17:28:33,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:32" (2/3) ... [2025-01-09 17:28:33,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d06e3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:28:33, skipping insertion in model container [2025-01-09 17:28:33,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:28:33" (3/3) ... [2025-01-09 17:28:33,067 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ptr_eq_harness_negated.i [2025-01-09 17:28:33,080 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:28:33,081 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. [2025-01-09 17:28:33,127 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:28:33,136 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;@4a6a6513, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:28:33,137 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:28:33,140 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) [2025-01-09 17:28:33,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-09 17:28:33,147 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:28:33,148 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:28:33,149 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:28:33,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:28:33,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1804399352, now seen corresponding path program 1 times [2025-01-09 17:28:33,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:28:33,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623613388] [2025-01-09 17:28:33,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:28:33,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:28:33,262 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-09 17:28:33,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-09 17:28:33,312 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:28:33,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 17:28:33,315 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 17:28:33,323 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-09 17:28:33,348 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-09 17:28:33,348 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:28:33,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 17:28:33,388 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 17:28:33,390 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 17:28:33,392 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 17:28:33,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 17:28:33,398 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-09 17:28:33,411 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 17:28:33,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 05:28:33 BoogieIcfgContainer [2025-01-09 17:28:33,414 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 17:28:33,415 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 17:28:33,415 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 17:28:33,415 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 17:28:33,416 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:28:33" (3/4) ... [2025-01-09 17:28:33,417 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-01-09 17:28:33,451 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 6. [2025-01-09 17:28:33,485 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 17:28:33,486 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 17:28:33,486 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 17:28:33,487 INFO L158 Benchmark]: Toolchain (without parser) took 2838.42ms. Allocated memory is still 167.8MB. Free memory was 114.6MB in the beginning and 96.8MB in the end (delta: 17.7MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2025-01-09 17:28:33,487 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 201.3MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 17:28:33,488 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1944.29ms. Allocated memory is still 167.8MB. Free memory was 114.6MB in the beginning and 80.7MB in the end (delta: 33.9MB). Peak memory consumption was 108.8MB. Max. memory is 16.1GB. [2025-01-09 17:28:33,489 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.21ms. Allocated memory is still 167.8MB. Free memory was 80.7MB in the beginning and 74.1MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 17:28:33,489 INFO L158 Benchmark]: Boogie Preprocessor took 47.47ms. Allocated memory is still 167.8MB. Free memory was 74.1MB in the beginning and 72.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 17:28:33,490 INFO L158 Benchmark]: RCFGBuilder took 316.92ms. Allocated memory is still 167.8MB. Free memory was 72.3MB in the beginning and 58.3MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 17:28:33,491 INFO L158 Benchmark]: TraceAbstraction took 353.86ms. Allocated memory is still 167.8MB. Free memory was 57.3MB in the beginning and 103.0MB in the end (delta: -45.7MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2025-01-09 17:28:33,491 INFO L158 Benchmark]: Witness Printer took 71.22ms. Allocated memory is still 167.8MB. Free memory was 103.0MB in the beginning and 96.8MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 17:28:33,492 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 201.3MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1944.29ms. Allocated memory is still 167.8MB. Free memory was 114.6MB in the beginning and 80.7MB in the end (delta: 33.9MB). Peak memory consumption was 108.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.21ms. Allocated memory is still 167.8MB. Free memory was 80.7MB in the beginning and 74.1MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.47ms. Allocated memory is still 167.8MB. Free memory was 74.1MB in the beginning and 72.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 316.92ms. Allocated memory is still 167.8MB. Free memory was 72.3MB in the beginning and 58.3MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 353.86ms. Allocated memory is still 167.8MB. Free memory was 57.3MB in the beginning and 103.0MB in the end (delta: -45.7MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Witness Printer took 71.22ms. Allocated memory is still 167.8MB. Free memory was 103.0MB in the beginning and 96.8MB in the end (delta: 6.2MB). 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=0, 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! [2025-01-09 17:28:33,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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