./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.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_acquire_up_to_harness.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 8447345c77c4cd41702c25ecfe2d3607219db9a014ac178446aa435c3dbc6c8c --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:23:43,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:23:43,138 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:23:43,141 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:23:43,142 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:23:43,156 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:23:43,157 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:23:43,158 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:23:43,158 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:23:43,158 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:23:43,159 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:23:43,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:23:43,159 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:23:43,159 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:23:43,160 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:23:43,160 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:23:43,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:23:43,160 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:23:43,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:23:43,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:23:43,160 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:23:43,160 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:23:43,160 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:23:43,161 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:23:43,161 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:23:43,161 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:23:43,161 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:23:43,161 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:23:43,161 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:23:43,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:23:43,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:23:43,161 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:23:43,161 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:23:43,162 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:23:43,162 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:23:43,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:23:43,162 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:23:43,162 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:23:43,162 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:23:43,162 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:23:43,162 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 -> 8447345c77c4cd41702c25ecfe2d3607219db9a014ac178446aa435c3dbc6c8c [2025-02-06 05:23:43,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:23:43,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:23:43,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:23:43,515 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:23:43,515 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:23:43,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i [2025-02-06 05:23:44,609 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8ea6077f5/36497b0f9e314506b5ee44f70d50a3cc/FLAGdd2b83bf5 [2025-02-06 05:23:45,114 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:23:45,115 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i [2025-02-06 05:23:45,158 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8ea6077f5/36497b0f9e314506b5ee44f70d50a3cc/FLAGdd2b83bf5 [2025-02-06 05:23:45,176 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8ea6077f5/36497b0f9e314506b5ee44f70d50a3cc [2025-02-06 05:23:45,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:23:45,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:23:45,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:23:45,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:23:45,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:23:45,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:23:45" (1/1) ... [2025-02-06 05:23:45,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f564414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:45, skipping insertion in model container [2025-02-06 05:23:45,189 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:23:45" (1/1) ... [2025-02-06 05:23:45,266 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:23:45,516 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_acquire_up_to_harness.i[4503,4516] [2025-02-06 05:23:45,526 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_acquire_up_to_harness.i[4563,4576] [2025-02-06 05:23:46,352 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:46,353 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:46,353 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:46,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:46,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:46,366 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:46,368 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:46,369 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:46,369 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:46,834 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:46,834 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:46,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:23:46,972 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:23:46,985 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_acquire_up_to_harness.i[4503,4516] [2025-02-06 05:23:46,986 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_acquire_up_to_harness.i[4563,4576] [2025-02-06 05:23:47,018 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:47,018 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:47,019 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:47,019 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:47,019 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:47,025 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:47,025 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:47,026 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:47,028 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:47,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-02-06 05:23:47,128 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:47,129 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:47,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2025-02-06 05:23:47,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:23:47,338 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:23:47,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:47 WrapperNode [2025-02-06 05:23:47,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:23:47,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:23:47,340 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:23:47,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:23:47,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:47" (1/1) ... [2025-02-06 05:23:47,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:47" (1/1) ... [2025-02-06 05:23:47,460 INFO L138 Inliner]: procedures = 684, calls = 2931, calls flagged for inlining = 60, calls inlined = 11, statements flattened = 1229 [2025-02-06 05:23:47,460 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:23:47,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:23:47,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:23:47,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:23:47,476 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:47" (1/1) ... [2025-02-06 05:23:47,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:47" (1/1) ... [2025-02-06 05:23:47,486 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:47" (1/1) ... [2025-02-06 05:23:47,560 INFO L175 MemorySlicer]: Split 624 memory accesses to 5 slices as follows [257, 2, 68, 243, 54]. 41 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [0, 2, 10, 11, 4]. The 523 writes are split as follows [257, 0, 4, 232, 30]. [2025-02-06 05:23:47,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:47" (1/1) ... [2025-02-06 05:23:47,561 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:47" (1/1) ... [2025-02-06 05:23:47,602 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:47" (1/1) ... [2025-02-06 05:23:47,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:47" (1/1) ... [2025-02-06 05:23:47,619 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:47" (1/1) ... [2025-02-06 05:23:47,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:47" (1/1) ... [2025-02-06 05:23:47,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:23:47,637 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:23:47,637 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:23:47,637 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:23:47,638 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:47" (1/1) ... [2025-02-06 05:23:47,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:23:47,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:23:47,663 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 05:23:47,667 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 05:23:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 05:23:47,680 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 05:23:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:23:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:23:47,681 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:23:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2025-02-06 05:23:47,682 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2025-02-06 05:23:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:23:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:23:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:23:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:23:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:23:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 05:23:47,683 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:23:47,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2025-02-06 05:23:47,683 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:23:47,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:23:47,683 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-06 05:23:47,683 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2025-02-06 05:23:47,683 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:23:47,683 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2025-02-06 05:23:47,683 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:23:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:23:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:23:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:23:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:23:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:23:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:23:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2025-02-06 05:23:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2025-02-06 05:23:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2025-02-06 05:23:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2025-02-06 05:23:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:23:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:23:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2025-02-06 05:23:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2025-02-06 05:23:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2025-02-06 05:23:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2025-02-06 05:23:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:23:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:23:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:23:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:23:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:23:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:23:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:23:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2025-02-06 05:23:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2025-02-06 05:23:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2025-02-06 05:23:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2025-02-06 05:23:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2025-02-06 05:23:47,687 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2025-02-06 05:23:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2025-02-06 05:23:47,687 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2025-02-06 05:23:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:23:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:23:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:23:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:23:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:23:47,962 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:23:47,963 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:23:47,989 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 05:23:48,031 INFO L1309 $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; [2025-02-06 05:23:48,033 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-06 05:23:48,034 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:23:48,093 INFO L1309 $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; [2025-02-06 05:23:48,124 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5793: havoc #t~ret422;havoc #t~mem421.base, #t~mem421.offset; [2025-02-06 05:23:48,131 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:23:48,141 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6044: havoc #t~mem452.base, #t~mem452.offset;havoc #t~mem453.base, #t~mem453.offset;havoc #t~short454; [2025-02-06 05:23:48,152 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9214: havoc #t~mem1357.base, #t~mem1357.offset; [2025-02-06 05:23:48,164 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5624: havoc #t~ret408.base, #t~ret408.offset; [2025-02-06 05:23:48,198 INFO L1309 $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; [2025-02-06 05:23:48,217 INFO L1309 $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; [2025-02-06 05:23:48,225 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9225: havoc #t~mem1360.base, #t~mem1360.offset; [2025-02-06 05:23:54,746 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8791: havoc aws_ring_buffer_acquire_up_to_#t~ret1323#1; [2025-02-06 05:23:54,746 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8712: havoc aws_ring_buffer_acquire_up_to_~ring_space~1#1, aws_ring_buffer_acquire_up_to_~allocation_size~1#1; [2025-02-06 05:23:54,746 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8703: havoc aws_ring_buffer_acquire_up_to_#t~ret1273#1; [2025-02-06 05:23:54,746 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8720: havoc aws_ring_buffer_acquire_up_to_#t~ret1282#1; [2025-02-06 05:23:54,876 INFO L? ?]: Removed 227 outVars from TransFormulas that were not future-live. [2025-02-06 05:23:54,876 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:23:54,896 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:23:54,897 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:23:54,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:23:54 BoogieIcfgContainer [2025-02-06 05:23:54,897 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:23:54,899 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:23:54,899 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:23:54,902 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:23:54,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:23:45" (1/3) ... [2025-02-06 05:23:54,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b42dd1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:23:54, skipping insertion in model container [2025-02-06 05:23:54,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:47" (2/3) ... [2025-02-06 05:23:54,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b42dd1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:23:54, skipping insertion in model container [2025-02-06 05:23:54,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:23:54" (3/3) ... [2025-02-06 05:23:54,903 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_up_to_harness.i [2025-02-06 05:23:54,913 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:23:54,914 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_acquire_up_to_harness.i that has 22 procedures, 430 locations, 1 initial locations, 2 loop locations, and 4 error locations. [2025-02-06 05:23:54,965 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:23:54,976 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;@53633703, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:23:54,977 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-06 05:23:54,980 INFO L276 IsEmpty]: Start isEmpty. Operand has 430 states, 245 states have (on average 1.2122448979591838) internal successors, (297), 249 states have internal predecessors, (297), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2025-02-06 05:23:54,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-02-06 05:23:54,987 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:23:54,987 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 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, 1, 1, 1, 1] [2025-02-06 05:23:54,988 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 05:23:54,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:23:54,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1648625285, now seen corresponding path program 1 times [2025-02-06 05:23:54,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:23:54,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825873320] [2025-02-06 05:23:54,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:23:54,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:25:01,424 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-06 05:25:01,911 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-06 05:25:01,912 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:25:01,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:25:02,608 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-02-06 05:25:02,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:25:02,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825873320] [2025-02-06 05:25:02,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825873320] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:25:02,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528247520] [2025-02-06 05:25:02,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:25:02,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:25:02,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:25:02,612 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 05:25:02,613 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