./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.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_ring_buffer_acquire_harness.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 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 03:04:42,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 03:04:42,752 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 03:04:42,755 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 03:04:42,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 03:04:42,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 03:04:42,774 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 03:04:42,774 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 03:04:42,774 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 03:04:42,774 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 03:04:42,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 03:04:42,775 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 03:04:42,775 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 03:04:42,775 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 03:04:42,776 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 03:04:42,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 03:04:42,776 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 03:04:42,776 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 03:04:42,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 03:04:42,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 03:04:42,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 03:04:42,777 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 03:04:42,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 03:04:42,777 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 03:04:42,777 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 03:04:42,777 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 03:04:42,777 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 03:04:42,777 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 03:04:42,777 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 03:04:42,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:04:42,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 03:04:42,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 03:04:42,778 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 03:04:42,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 03:04:42,778 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 03:04:42,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 03:04:42,778 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 03:04:42,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 03:04:42,778 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 03:04:42,778 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 03:04:42,778 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 -> 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 [2025-03-04 03:04:42,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 03:04:42,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 03:04:43,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 03:04:43,002 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 03:04:43,002 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 03:04:43,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2025-03-04 03:04:44,134 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fcb3a5af/a846327811484259a57196c01fff73fe/FLAG9c9b65a43 [2025-03-04 03:04:44,637 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 03:04:44,637 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2025-03-04 03:04:44,670 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fcb3a5af/a846327811484259a57196c01fff73fe/FLAG9c9b65a43 [2025-03-04 03:04:44,709 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fcb3a5af/a846327811484259a57196c01fff73fe [2025-03-04 03:04:44,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 03:04:44,712 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 03:04:44,714 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 03:04:44,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 03:04:44,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 03:04:44,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:04:44" (1/1) ... [2025-03-04 03:04:44,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623df8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:44, skipping insertion in model container [2025-03-04 03:04:44,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:04:44" (1/1) ... [2025-03-04 03:04:44,775 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 03:04:44,951 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_ring_buffer_acquire_harness.i[4497,4510] [2025-03-04 03:04:44,958 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_ring_buffer_acquire_harness.i[4557,4570] [2025-03-04 03:04:45,412 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:45,413 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:45,414 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:45,414 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:45,415 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:45,423 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:45,423 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:45,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:45,425 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:45,836 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:45,836 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:45,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:04:45,979 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 03:04:45,993 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_ring_buffer_acquire_harness.i[4497,4510] [2025-03-04 03:04:45,993 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_ring_buffer_acquire_harness.i[4557,4570] [2025-03-04 03:04:46,033 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,033 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,033 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,034 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,034 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,039 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,040 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,041 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,041 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-03-04 03:04:46,138 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,138 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2025-03-04 03:04:46,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:04:46,379 INFO L204 MainTranslator]: Completed translation [2025-03-04 03:04:46,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:46 WrapperNode [2025-03-04 03:04:46,380 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 03:04:46,381 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 03:04:46,381 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 03:04:46,381 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 03:04:46,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:46" (1/1) ... [2025-03-04 03:04:46,453 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:46" (1/1) ... [2025-03-04 03:04:46,520 INFO L138 Inliner]: procedures = 684, calls = 2943, calls flagged for inlining = 61, calls inlined = 12, statements flattened = 1207 [2025-03-04 03:04:46,520 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 03:04:46,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 03:04:46,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 03:04:46,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 03:04:46,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:46" (1/1) ... [2025-03-04 03:04:46,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:46" (1/1) ... [2025-03-04 03:04:46,534 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:46" (1/1) ... [2025-03-04 03:04:46,616 INFO L175 MemorySlicer]: Split 617 memory accesses to 5 slices as follows [68, 257, 2, 47, 243]. 42 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [10, 0, 2, 4, 11]. The 515 writes are split as follows [4, 257, 0, 22, 232]. [2025-03-04 03:04:46,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:46" (1/1) ... [2025-03-04 03:04:46,616 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:46" (1/1) ... [2025-03-04 03:04:46,691 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:46" (1/1) ... [2025-03-04 03:04:46,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:46" (1/1) ... [2025-03-04 03:04:46,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:46" (1/1) ... [2025-03-04 03:04:46,717 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:46" (1/1) ... [2025-03-04 03:04:46,732 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 03:04:46,733 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 03:04:46,733 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 03:04:46,733 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 03:04:46,734 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:46" (1/1) ... [2025-03-04 03:04:46,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:04:46,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:04:46,761 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 03:04:46,766 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 03:04:46,784 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 03:04:46,785 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 03:04:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 03:04:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 03:04:46,785 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 03:04:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2025-03-04 03:04:46,785 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2025-03-04 03:04:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 03:04:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 03:04:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 03:04:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 03:04:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 03:04:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 03:04:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 03:04:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 03:04:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 03:04:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 03:04:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 03:04:46,785 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 03:04:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 03:04:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 03:04:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 03:04:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 03:04:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 03:04:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 03:04:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 03:04:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 03:04:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 03:04:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2025-03-04 03:04:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2025-03-04 03:04:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 03:04:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 03:04:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 03:04:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 03:04:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-04 03:04:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-04 03:04:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 03:04:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 03:04:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 03:04:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 03:04:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 03:04:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2025-03-04 03:04:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2025-03-04 03:04:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 03:04:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 03:04:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2025-03-04 03:04:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2025-03-04 03:04:46,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 03:04:46,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 03:04:46,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 03:04:46,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 03:04:46,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 03:04:46,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 03:04:46,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 03:04:46,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 03:04:46,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 03:04:46,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 03:04:46,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 03:04:46,788 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2025-03-04 03:04:46,788 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2025-03-04 03:04:46,788 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2025-03-04 03:04:46,788 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2025-03-04 03:04:46,788 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 03:04:46,788 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 03:04:46,788 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2025-03-04 03:04:46,788 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2025-03-04 03:04:46,788 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2025-03-04 03:04:46,788 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2025-03-04 03:04:46,788 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 03:04:46,788 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 03:04:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 03:04:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 03:04:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 03:04:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 03:04:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 03:04:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2025-03-04 03:04:46,789 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2025-03-04 03:04:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2025-03-04 03:04:46,789 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2025-03-04 03:04:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2025-03-04 03:04:46,789 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2025-03-04 03:04:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2025-03-04 03:04:46,789 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2025-03-04 03:04:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 03:04:46,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 03:04:46,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 03:04:46,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 03:04:46,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 03:04:47,060 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 03:04:47,062 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 03:04:47,094 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 03:04:47,137 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8801: havoc #t~mem1324.base, #t~mem1324.offset;havoc #t~mem1325.base, #t~mem1325.offset;havoc #t~short1326;havoc #t~mem1327.base, #t~mem1327.offset;havoc #t~short1328;havoc #t~mem1329.base, #t~mem1329.offset;havoc #t~mem1330.base, #t~mem1330.offset;havoc #t~short1331;havoc #t~mem1332.base, #t~mem1332.offset;havoc #t~mem1333;havoc #t~mem1334.base, #t~mem1334.offset;havoc #t~short1335; [2025-03-04 03:04:47,139 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-04 03:04:47,140 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 03:04:47,214 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7377: havoc #t~mem678;havoc #t~mem679;havoc #t~short680;havoc #t~mem681.base, #t~mem681.offset;havoc #t~short682;havoc #t~mem683;havoc #t~mem684;havoc #t~mem685;havoc #t~short686;havoc #t~mem687;havoc #t~mem688.base, #t~mem688.offset;havoc #t~short689;havoc #t~short690;havoc #t~short691;havoc #t~short692; [2025-03-04 03:04:47,255 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5793: havoc #t~ret422;havoc #t~mem421.base, #t~mem421.offset; [2025-03-04 03:04:47,262 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 03:04:47,272 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6044: havoc #t~mem452.base, #t~mem452.offset;havoc #t~mem453.base, #t~mem453.offset;havoc #t~short454; [2025-03-04 03:04:47,285 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9214: havoc #t~mem1357.base, #t~mem1357.offset; [2025-03-04 03:04:47,310 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5624: havoc #t~ret408.base, #t~ret408.offset; [2025-03-04 03:04:47,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6077: 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; [2025-03-04 03:04:47,375 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8231: havoc #t~mem1063;havoc #t~mem1064.base, #t~mem1064.offset;havoc #t~mem1065;havoc #t~mem1066.base, #t~mem1066.offset;call ULTIMATE.dealloc(~#buf~2.base, ~#buf~2.offset);havoc ~#buf~2.base, ~#buf~2.offset; [2025-03-04 03:04:47,389 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9225: havoc #t~mem1360.base, #t~mem1360.offset; [2025-03-04 03:04:54,003 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8644: havoc aws_ring_buffer_acquire_#t~ret1238#1; [2025-03-04 03:04:54,004 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8630-2: havoc aws_ring_buffer_acquire_#t~ret1229#1; [2025-03-04 03:04:54,004 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8638: havoc aws_ring_buffer_acquire_~ring_space~0#1; [2025-03-04 03:04:54,004 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8688: havoc aws_ring_buffer_acquire_#t~ret1268#1; [2025-03-04 03:04:54,183 INFO L? ?]: Removed 224 outVars from TransFormulas that were not future-live. [2025-03-04 03:04:54,183 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 03:04:54,213 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 03:04:54,214 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 03:04:54,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:04:54 BoogieIcfgContainer [2025-03-04 03:04:54,215 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 03:04:54,217 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 03:04:54,217 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 03:04:54,221 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 03:04:54,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:04:44" (1/3) ... [2025-03-04 03:04:54,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b7c6fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:04:54, skipping insertion in model container [2025-03-04 03:04:54,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:46" (2/3) ... [2025-03-04 03:04:54,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b7c6fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:04:54, skipping insertion in model container [2025-03-04 03:04:54,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:04:54" (3/3) ... [2025-03-04 03:04:54,224 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness.i [2025-03-04 03:04:54,237 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 03:04:54,239 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_acquire_harness.i that has 22 procedures, 413 locations, 1 initial locations, 3 loop locations, and 4 error locations. [2025-03-04 03:04:54,302 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 03:04:54,313 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;@75f3b790, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 03:04:54,313 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-04 03:04:54,318 INFO L276 IsEmpty]: Start isEmpty. Operand has 413 states, 241 states have (on average 1.2199170124481329) internal successors, (294), 246 states have internal predecessors, (294), 146 states have call successors, (146), 21 states have call predecessors, (146), 21 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2025-03-04 03:04:54,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-04 03:04:54,325 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:04:54,325 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1] [2025-03-04 03:04:54,326 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)] === [2025-03-04 03:04:54,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:04:54,333 INFO L85 PathProgramCache]: Analyzing trace with hash 706301673, now seen corresponding path program 1 times [2025-03-04 03:04:54,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:04:54,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933328623] [2025-03-04 03:04:54,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:04:54,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:06:02,570 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-04 03:06:03,062 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-04 03:06:03,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:06:03,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:06:03,740 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-03-04 03:06:03,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:06:03,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933328623] [2025-03-04 03:06:03,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933328623] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:06:03,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122361116] [2025-03-04 03:06:03,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:06:03,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:06:03,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:06:03,745 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:06:03,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process