./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_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_release_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 772b15d8153190f847bc1df122e04df0adc1c78736cf51ee691c4d43e8a4ef80 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 03:05:45,536 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 03:05:45,595 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 03:05:45,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 03:05:45,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 03:05:45,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 03:05:45,623 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 03:05:45,623 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 03:05:45,623 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 03:05:45,623 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 03:05:45,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 03:05:45,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 03:05:45,624 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 03:05:45,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 03:05:45,625 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 03:05:45,625 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 03:05:45,625 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 03:05:45,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 03:05:45,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 03:05:45,625 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 03:05:45,625 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 03:05:45,625 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 03:05:45,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 03:05:45,626 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 03:05:45,626 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 03:05:45,626 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 03:05:45,626 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 03:05:45,626 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 03:05:45,626 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 03:05:45,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:05:45,626 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 03:05:45,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 03:05:45,627 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 03:05:45,627 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 03:05:45,627 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 03:05:45,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 03:05:45,627 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 03:05:45,627 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 03:05:45,628 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 03:05:45,628 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 03:05:45,628 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 -> 772b15d8153190f847bc1df122e04df0adc1c78736cf51ee691c4d43e8a4ef80 [2025-03-04 03:05:45,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 03:05:45,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 03:05:45,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 03:05:45,838 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 03:05:45,839 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 03:05:45,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2025-03-04 03:05:46,945 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11288704f/6d1d4735ef4143fc9f5a049c816f1e6a/FLAGe3b976333 [2025-03-04 03:05:47,440 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 03:05:47,440 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2025-03-04 03:05:47,474 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11288704f/6d1d4735ef4143fc9f5a049c816f1e6a/FLAGe3b976333 [2025-03-04 03:05:47,511 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11288704f/6d1d4735ef4143fc9f5a049c816f1e6a [2025-03-04 03:05:47,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 03:05:47,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 03:05:47,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 03:05:47,516 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 03:05:47,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 03:05:47,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:05:47" (1/1) ... [2025-03-04 03:05:47,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27cc1f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:47, skipping insertion in model container [2025-03-04 03:05:47,519 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:05:47" (1/1) ... [2025-03-04 03:05:47,585 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 03:05:47,751 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_release_harness.i[4497,4510] [2025-03-04 03:05:47,758 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_release_harness.i[4557,4570] [2025-03-04 03:05:48,201 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:48,201 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:48,202 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:48,202 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:48,203 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:48,213 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:48,213 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:48,214 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:48,216 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:48,604 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:48,606 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:48,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:05:48,735 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 03:05:48,744 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_release_harness.i[4497,4510] [2025-03-04 03:05:48,745 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_release_harness.i[4557,4570] [2025-03-04 03:05:48,783 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:48,783 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:48,783 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:48,784 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:48,784 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:48,791 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:48,822 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:48,823 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:48,823 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:48,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-03-04 03:05:48,908 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:48,908 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:48,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8995-9006] [2025-03-04 03:05:48,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:05:49,097 INFO L204 MainTranslator]: Completed translation [2025-03-04 03:05:49,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:49 WrapperNode [2025-03-04 03:05:49,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 03:05:49,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 03:05:49,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 03:05:49,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 03:05:49,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:49" (1/1) ... [2025-03-04 03:05:49,160 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:49" (1/1) ... [2025-03-04 03:05:49,212 INFO L138 Inliner]: procedures = 684, calls = 2948, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 1030 [2025-03-04 03:05:49,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 03:05:49,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 03:05:49,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 03:05:49,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 03:05:49,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:49" (1/1) ... [2025-03-04 03:05:49,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:49" (1/1) ... [2025-03-04 03:05:49,227 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:49" (1/1) ... [2025-03-04 03:05:49,297 INFO L175 MemorySlicer]: Split 593 memory accesses to 6 slices as follows [2, 257, 6, 49, 36, 243]. 43 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 4, 10, 4, 11]. The 496 writes are split as follows [0, 257, 0, 4, 3, 232]. [2025-03-04 03:05:49,298 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:49" (1/1) ... [2025-03-04 03:05:49,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:49" (1/1) ... [2025-03-04 03:05:49,352 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:49" (1/1) ... [2025-03-04 03:05:49,358 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:49" (1/1) ... [2025-03-04 03:05:49,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:49" (1/1) ... [2025-03-04 03:05:49,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:49" (1/1) ... [2025-03-04 03:05:49,385 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 03:05:49,386 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 03:05:49,386 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 03:05:49,386 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 03:05:49,386 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:49" (1/1) ... [2025-03-04 03:05:49,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:05:49,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:05:49,411 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 03:05:49,417 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 03:05:49,429 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 03:05:49,430 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 03:05:49,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 03:05:49,430 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 03:05:49,430 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 03:05:49,430 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2025-03-04 03:05:49,430 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2025-03-04 03:05:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2025-03-04 03:05:49,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2025-03-04 03:05:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 03:05:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 03:05:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 03:05:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 03:05:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 03:05:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 03:05:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 03:05:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 03:05:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 03:05:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 03:05:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 03:05:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 03:05:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure is_empty_state [2025-03-04 03:05:49,432 INFO L138 BoogieDeclarations]: Found implementation of procedure is_empty_state [2025-03-04 03:05:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 03:05:49,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 03:05:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 03:05:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 03:05:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 03:05:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 03:05:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 03:05:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 03:05:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 03:05:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 03:05:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2025-03-04 03:05:49,432 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2025-03-04 03:05:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 03:05:49,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 03:05:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 03:05:49,432 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 03:05:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-04 03:05:49,432 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-04 03:05:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 03:05:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 03:05:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 03:05:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 03:05:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 03:05:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 03:05:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2025-03-04 03:05:49,433 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2025-03-04 03:05:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 03:05:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 03:05:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 03:05:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-04 03:05:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-04 03:05:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-04 03:05:49,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 03:05:49,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 03:05:49,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 03:05:49,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-04 03:05:49,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-04 03:05:49,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-04 03:05:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 03:05:49,433 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 03:05:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 03:05:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 03:05:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 03:05:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 03:05:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 03:05:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 03:05:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 03:05:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 03:05:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 03:05:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 03:05:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 03:05:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 03:05:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 03:05:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2025-03-04 03:05:49,433 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2025-03-04 03:05:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 03:05:49,434 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 03:05:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2025-03-04 03:05:49,434 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2025-03-04 03:05:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2025-03-04 03:05:49,434 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2025-03-04 03:05:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 03:05:49,434 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 03:05:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2025-03-04 03:05:49,434 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2025-03-04 03:05:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2025-03-04 03:05:49,434 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2025-03-04 03:05:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2025-03-04 03:05:49,434 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2025-03-04 03:05:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2025-03-04 03:05:49,434 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2025-03-04 03:05:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 03:05:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 03:05:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 03:05:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 03:05:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 03:05:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 03:05:49,703 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 03:05:49,705 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 03:05:49,733 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 03:05:49,791 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8807: 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~short1333;havoc #t~mem1334.base, #t~mem1334.offset;havoc #t~mem1335.base, #t~mem1335.offset;havoc #t~short1336;havoc #t~mem1337.base, #t~mem1337.offset;havoc #t~mem1338;havoc #t~mem1339.base, #t~mem1339.offset;havoc #t~short1340; [2025-03-04 03:05:49,793 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-04 03:05:49,794 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 03:05:49,855 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 03:05:49,883 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5793: havoc #t~ret422;havoc #t~mem421.base, #t~mem421.offset; [2025-03-04 03:05:49,888 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 03:05:49,925 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 03:05:49,980 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5624: havoc #t~ret408.base, #t~ret408.offset; [2025-03-04 03:05:50,033 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 03:05:50,042 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9231: havoc #t~mem1365.base, #t~mem1365.offset; [2025-03-04 03:05:56,855 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9220: havoc is_front_valid_state_#t~mem1362#1.base, is_front_valid_state_#t~mem1362#1.offset; [2025-03-04 03:05:56,974 INFO L? ?]: Removed 218 outVars from TransFormulas that were not future-live. [2025-03-04 03:05:56,974 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 03:05:56,993 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 03:05:56,993 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 03:05:56,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:05:56 BoogieIcfgContainer [2025-03-04 03:05:56,993 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 03:05:57,000 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 03:05:57,000 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 03:05:57,003 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 03:05:57,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:05:47" (1/3) ... [2025-03-04 03:05:57,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@135eaaf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:05:57, skipping insertion in model container [2025-03-04 03:05:57,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:49" (2/3) ... [2025-03-04 03:05:57,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@135eaaf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:05:57, skipping insertion in model container [2025-03-04 03:05:57,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:05:56" (3/3) ... [2025-03-04 03:05:57,006 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_release_harness.i [2025-03-04 03:05:57,017 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 03:05:57,018 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_release_harness.i that has 27 procedures, 339 locations, 1 initial locations, 9 loop locations, and 4 error locations. [2025-03-04 03:05:57,081 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 03:05:57,088 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;@487b12c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 03:05:57,088 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-04 03:05:57,091 INFO L276 IsEmpty]: Start isEmpty. Operand has 319 states, 204 states have (on average 1.2352941176470589) internal successors, (252), 208 states have internal predecessors, (252), 90 states have call successors, (90), 21 states have call predecessors, (90), 21 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2025-03-04 03:05:57,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-03-04 03:05:57,097 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:05:57,097 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2025-03-04 03:05:57,097 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 03:05:57,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:05:57,102 INFO L85 PathProgramCache]: Analyzing trace with hash -814411877, now seen corresponding path program 1 times [2025-03-04 03:05:57,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:05:57,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203211727] [2025-03-04 03:05:57,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:05:57,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:06:59,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-04 03:06:59,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-04 03:06:59,635 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:06:59,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:07:00,335 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2025-03-04 03:07:00,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:07:00,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203211727] [2025-03-04 03:07:00,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203211727] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:07:00,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781983527] [2025-03-04 03:07:00,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:07:00,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:07:00,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:07:00,339 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 03:07:00,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process