./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc 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_ring_buffer_clean_up_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 33ea2a815d3ee319237562a4f44f4c58bc4a24bd2ff234245c80f52d85079eb0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:23:58,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:23:58,154 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:23:58,160 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:23:58,163 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:23:58,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:23:58,193 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:23:58,193 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:23:58,193 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:23:58,194 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:23:58,195 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:23:58,195 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:23:58,195 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:23:58,195 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:23:58,196 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:23:58,196 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:23:58,196 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:23:58,196 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:23:58,197 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:23:58,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:23:58,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:23:58,197 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:23:58,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:23:58,197 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:23:58,197 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:23:58,197 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:23:58,197 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:23:58,198 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:23:58,198 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:23:58,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:23:58,198 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:23:58,198 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:23:58,199 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:23:58,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:23:58,199 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:23:58,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:23:58,199 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:23:58,199 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:23:58,199 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:23:58,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:23:58,200 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 -> 33ea2a815d3ee319237562a4f44f4c58bc4a24bd2ff234245c80f52d85079eb0 [2025-02-06 05:23:58,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:23:58,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:23:58,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:23:58,499 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:23:58,499 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:23:58,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i [2025-02-06 05:23:59,747 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/54e4d2957/64ff1fef3d6941f8b3e380a2d7de22f9/FLAG00608da9f [2025-02-06 05:24:00,295 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:24:00,295 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i [2025-02-06 05:24:00,335 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/54e4d2957/64ff1fef3d6941f8b3e380a2d7de22f9/FLAG00608da9f [2025-02-06 05:24:00,837 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/54e4d2957/64ff1fef3d6941f8b3e380a2d7de22f9 [2025-02-06 05:24:00,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:24:00,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:24:00,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:24:00,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:24:00,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:24:00,847 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:24:00" (1/1) ... [2025-02-06 05:24:00,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21542a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:00, skipping insertion in model container [2025-02-06 05:24:00,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:24:00" (1/1) ... [2025-02-06 05:24:00,928 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:24:01,156 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_ring_buffer_clean_up_harness_negated.i[4498,4511] [2025-02-06 05:24:01,164 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_ring_buffer_clean_up_harness_negated.i[4558,4571] [2025-02-06 05:24:02,051 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:02,052 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:02,052 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:02,053 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:02,054 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:02,065 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:02,066 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:02,068 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:02,068 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:02,717 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:02,717 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:02,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:24:02,922 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:24:02,941 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_ring_buffer_clean_up_harness_negated.i[4498,4511] [2025-02-06 05:24:02,942 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_ring_buffer_clean_up_harness_negated.i[4558,4571] [2025-02-06 05:24:03,002 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:03,003 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:03,003 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:03,003 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:03,004 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:03,011 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:03,011 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:03,013 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:03,013 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:03,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-02-06 05:24:03,152 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:03,153 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:03,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8963-8974] [2025-02-06 05:24:03,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:24:03,491 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:24:03,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:03 WrapperNode [2025-02-06 05:24:03,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:24:03,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:24:03,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:24:03,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:24:03,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:03" (1/1) ... [2025-02-06 05:24:03,568 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:03" (1/1) ... [2025-02-06 05:24:03,652 INFO L138 Inliner]: procedures = 680, calls = 2872, calls flagged for inlining = 56, calls inlined = 6, statements flattened = 816 [2025-02-06 05:24:03,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:24:03,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:24:03,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:24:03,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:24:03,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:03" (1/1) ... [2025-02-06 05:24:03,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:03" (1/1) ... [2025-02-06 05:24:03,670 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:03" (1/1) ... [2025-02-06 05:24:03,750 INFO L175 MemorySlicer]: Split 531 memory accesses to 5 slices as follows [2, 257, 238, 28, 6]. 48 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 0, 6, 5, 5]. The 494 writes are split as follows [0, 257, 232, 5, 0]. [2025-02-06 05:24:03,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:03" (1/1) ... [2025-02-06 05:24:03,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:03" (1/1) ... [2025-02-06 05:24:03,781 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:03" (1/1) ... [2025-02-06 05:24:03,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:03" (1/1) ... [2025-02-06 05:24:03,789 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:03" (1/1) ... [2025-02-06 05:24:03,799 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:03" (1/1) ... [2025-02-06 05:24:03,815 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:24:03,818 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:24:03,818 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:24:03,818 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:24:03,819 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:03" (1/1) ... [2025-02-06 05:24:03,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:24:03,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:24:03,853 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) [2025-02-06 05:24:03,859 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 [2025-02-06 05:24:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:24:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2025-02-06 05:24:03,878 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2025-02-06 05:24:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:24:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:24:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:24:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:24:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:24:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:24:03,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:24:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:24:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:24:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:24:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:24:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:24:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:24:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:24:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2025-02-06 05:24:03,882 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2025-02-06 05:24:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:24:03,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:24:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:24:03,882 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:24:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-06 05:24:03,882 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-06 05:24:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:24:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:24:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:24:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:24:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:24:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-02-06 05:24:03,883 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-02-06 05:24:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2025-02-06 05:24:03,883 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2025-02-06 05:24:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 05:24:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 05:24:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 05:24:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-06 05:24:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-06 05:24:03,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 05:24:03,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 05:24:03,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 05:24:03,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-06 05:24:03,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-06 05:24:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:24:03,883 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:24:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:24:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:24:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:24:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:24:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:24:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:24:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:24:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:24:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:24:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:24:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:24:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2025-02-06 05:24:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2025-02-06 05:24:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:24:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:24:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:24:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:24:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2025-02-06 05:24:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2025-02-06 05:24:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2025-02-06 05:24:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2025-02-06 05:24:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2025-02-06 05:24:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2025-02-06 05:24:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:24:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:24:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:24:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:24:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:24:04,210 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:24:04,212 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:24:04,249 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 05:24:04,252 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-06 05:24:04,260 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:24:04,353 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: havoc #t~ret422;havoc #t~mem421.base, #t~mem421.offset; [2025-02-06 05:24:04,416 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6032: havoc #t~mem452.base, #t~mem452.offset;havoc #t~mem453.base, #t~mem453.offset;havoc #t~short454; [2025-02-06 05:24:04,508 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5612: havoc #t~ret408.base, #t~ret408.offset; [2025-02-06 05:24:04,563 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6065: havoc #t~mem464.base, #t~mem464.offset;havoc #t~mem465.base, #t~mem465.offset;havoc #t~mem466.base, #t~mem466.offset;havoc #t~short467;havoc #t~short468;havoc #t~mem469.base, #t~mem469.offset;havoc #t~short470; [2025-02-06 05:24:11,896 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2025-02-06 05:24:11,897 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:24:11,916 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:24:11,916 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:24:11,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:24:11 BoogieIcfgContainer [2025-02-06 05:24:11,916 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:24:11,918 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:24:11,918 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:24:11,922 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:24:11,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:24:00" (1/3) ... [2025-02-06 05:24:11,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e54133a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:24:11, skipping insertion in model container [2025-02-06 05:24:11,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:03" (2/3) ... [2025-02-06 05:24:11,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e54133a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:24:11, skipping insertion in model container [2025-02-06 05:24:11,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:24:11" (3/3) ... [2025-02-06 05:24:11,925 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_clean_up_harness_negated.i [2025-02-06 05:24:11,937 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:24:11,939 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_clean_up_harness_negated.i that has 20 procedures, 170 locations, 1 initial locations, 8 loop locations, and 4 error locations. [2025-02-06 05:24:11,989 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:24:11,999 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;@30d3855c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:24:11,999 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-06 05:24:12,004 INFO L276 IsEmpty]: Start isEmpty. Operand has 154 states, 101 states have (on average 1.2574257425742574) internal successors, (127), 105 states have internal predecessors, (127), 33 states have call successors, (33), 15 states have call predecessors, (33), 15 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-06 05:24:12,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-02-06 05:24:12,013 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:24:12,013 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 05:24:12,014 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-02-06 05:24:12,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:24:12,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1883051567, now seen corresponding path program 1 times [2025-02-06 05:24:12,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:24:12,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334593626] [2025-02-06 05:24:12,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:24:12,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:25:18,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-06 05:25:19,018 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-06 05:25:19,018 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:25:19,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:25:19,962 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-06 05:25:19,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:25:19,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334593626] [2025-02-06 05:25:19,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334593626] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:25:19,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234426581] [2025-02-06 05:25:19,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:25:19,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:25:19,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:25:19,968 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:25:19,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process