./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8d16217b02ecd6e481b32d24ab08e27bf0c28fb8762abe433cdf4ba726b5e322 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:29:17,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:29:17,918 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:29:17,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:29:17,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:29:17,960 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:29:17,960 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:29:17,961 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:29:17,961 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:29:17,961 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:29:17,961 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:29:17,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:29:17,962 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:29:17,962 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:29:17,962 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:29:17,962 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:29:17,962 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:29:17,962 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:29:17,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:29:17,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:29:17,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:29:17,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:29:17,963 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:29:17,963 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:29:17,963 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:29:17,963 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:29:17,963 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:29:17,963 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:29:17,963 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:29:17,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:29:17,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:29:17,963 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:29:17,963 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:29:17,963 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:29:17,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:29:17,964 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:29:17,964 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:29:17,964 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:29:17,964 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:29:17,964 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:29:17,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:29:17,964 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:29:17,964 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:29:17,964 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:29:17,964 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:29:17,964 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 -> 8d16217b02ecd6e481b32d24ab08e27bf0c28fb8762abe433cdf4ba726b5e322 [2025-01-09 17:29:18,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:29:18,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:29:18,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:29:18,262 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:29:18,263 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:29:18,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness_negated.i [2025-01-09 17:29:19,485 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2ea0c2e62/cfb169edaba2425b9a0d39fb6d8e380e/FLAGa8bba305a [2025-01-09 17:29:20,092 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:29:20,094 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness_negated.i [2025-01-09 17:29:20,141 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2ea0c2e62/cfb169edaba2425b9a0d39fb6d8e380e/FLAGa8bba305a [2025-01-09 17:29:20,162 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2ea0c2e62/cfb169edaba2425b9a0d39fb6d8e380e [2025-01-09 17:29:20,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:29:20,166 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:29:20,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:29:20,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:29:20,173 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:29:20,175 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:29:20" (1/1) ... [2025-01-09 17:29:20,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dd9c536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:20, skipping insertion in model container [2025-01-09 17:29:20,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:29:20" (1/1) ... [2025-01-09 17:29:20,280 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:29:20,553 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_release_harness_negated.i[4497,4510] [2025-01-09 17:29:20,562 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_release_harness_negated.i[4557,4570] [2025-01-09 17:29:21,233 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:21,234 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:21,234 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:21,235 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:21,236 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:21,247 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:21,247 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:21,249 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:21,249 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:21,825 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:21,825 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:21,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:29:21,983 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:29:21,998 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_release_harness_negated.i[4497,4510] [2025-01-09 17:29:21,998 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_release_harness_negated.i[4557,4570] [2025-01-09 17:29:22,047 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:22,048 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:22,048 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:22,049 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:22,049 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:22,055 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:22,056 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:22,057 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:22,058 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:22,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-01-09 17:29:22,210 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:22,211 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:22,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8963-8974] [2025-01-09 17:29:22,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:29:22,538 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:29:22,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:22 WrapperNode [2025-01-09 17:29:22,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:29:22,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:29:22,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:29:22,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:29:22,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:22" (1/1) ... [2025-01-09 17:29:22,636 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:22" (1/1) ... [2025-01-09 17:29:22,724 INFO L138 Inliner]: procedures = 684, calls = 2948, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 1030 [2025-01-09 17:29:22,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:29:22,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:29:22,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:29:22,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:29:22,733 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:22" (1/1) ... [2025-01-09 17:29:22,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:22" (1/1) ... [2025-01-09 17:29:22,742 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:22" (1/1) ... [2025-01-09 17:29:22,858 INFO L175 MemorySlicer]: Split 593 memory accesses to 6 slices as follows [257, 2, 243, 6, 49, 36]. 43 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [0, 2, 11, 4, 10, 4]. The 496 writes are split as follows [257, 0, 232, 0, 4, 3]. [2025-01-09 17:29:22,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:22" (1/1) ... [2025-01-09 17:29:22,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:22" (1/1) ... [2025-01-09 17:29:22,892 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:22" (1/1) ... [2025-01-09 17:29:22,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:22" (1/1) ... [2025-01-09 17:29:22,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:22" (1/1) ... [2025-01-09 17:29:22,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:22" (1/1) ... [2025-01-09 17:29:22,925 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:22" (1/1) ... [2025-01-09 17:29:22,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:29:22,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:29:22,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:29:22,944 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:29:22,945 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:22" (1/1) ... [2025-01-09 17:29:22,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:29:22,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:29:22,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 17:29:22,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 17:29:23,006 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:29:23,007 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:29:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:29:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:29:23,007 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:29:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2025-01-09 17:29:23,007 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2025-01-09 17:29:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2025-01-09 17:29:23,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2025-01-09 17:29:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:29:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:29:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:29:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:29:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:29:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:29:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:29:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:29:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:29:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:29:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:29:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:29:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure is_empty_state [2025-01-09 17:29:23,009 INFO L138 BoogieDeclarations]: Found implementation of procedure is_empty_state [2025-01-09 17:29:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:29:23,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:29:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:29:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:29:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:29:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:29:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:29:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:29:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:29:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:29:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2025-01-09 17:29:23,010 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2025-01-09 17:29:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:29:23,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:29:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:29:23,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:29:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-01-09 17:29:23,010 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-01-09 17:29:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:29:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:29:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:29:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:29:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:29:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:29:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2025-01-09 17:29:23,011 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2025-01-09 17:29:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 17:29:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 17:29:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 17:29:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 17:29:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 17:29:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-01-09 17:29:23,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 17:29:23,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 17:29:23,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 17:29:23,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 17:29:23,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 17:29:23,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-01-09 17:29:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:29:23,012 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:29:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:29:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:29:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:29:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:29:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:29:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:29:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:29:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:29:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:29:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:29:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:29:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:29:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:29:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2025-01-09 17:29:23,013 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2025-01-09 17:29:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:29:23,013 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:29:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2025-01-09 17:29:23,013 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2025-01-09 17:29:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2025-01-09 17:29:23,013 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2025-01-09 17:29:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:29:23,013 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:29:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2025-01-09 17:29:23,013 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2025-01-09 17:29:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2025-01-09 17:29:23,014 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2025-01-09 17:29:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2025-01-09 17:29:23,014 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2025-01-09 17:29:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2025-01-09 17:29:23,014 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2025-01-09 17:29:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:29:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:29:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:29:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:29:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:29:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:29:23,334 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:29:23,336 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:29:32,373 INFO L? ?]: Removed 218 outVars from TransFormulas that were not future-live. [2025-01-09 17:29:32,373 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:29:32,389 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:29:32,389 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2025-01-09 17:29:32,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:29:32 BoogieIcfgContainer [2025-01-09 17:29:32,390 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:29:32,392 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:29:32,392 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:29:32,396 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:29:32,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:29:20" (1/3) ... [2025-01-09 17:29:32,396 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76fbc204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:29:32, skipping insertion in model container [2025-01-09 17:29:32,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:22" (2/3) ... [2025-01-09 17:29:32,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76fbc204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:29:32, skipping insertion in model container [2025-01-09 17:29:32,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:29:32" (3/3) ... [2025-01-09 17:29:32,398 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_release_harness_negated.i [2025-01-09 17:29:32,410 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:29:32,412 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_release_harness_negated.i that has 27 procedures, 339 locations, 1 initial locations, 9 loop locations, and 4 error locations. [2025-01-09 17:29:32,470 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:29:32,480 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;@d81b872, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:29:32,481 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-09 17:29:32,487 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) [2025-01-09 17:29:32,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-01-09 17:29:32,494 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:29:32,495 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] [2025-01-09 17:29:32,496 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)] === [2025-01-09 17:29:32,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:29:32,503 INFO L85 PathProgramCache]: Analyzing trace with hash -306356789, now seen corresponding path program 1 times [2025-01-09 17:29:32,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:29:32,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799041305] [2025-01-09 17:29:32,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:29:32,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:30:38,981 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-09 17:30:39,606 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-09 17:30:39,607 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:30:39,607 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:30:40,515 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2025-01-09 17:30:40,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:30:40,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799041305] [2025-01-09 17:30:40,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799041305] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:30:40,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831048115] [2025-01-09 17:30:40,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:30:40,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:30:40,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:30:40,521 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) [2025-01-09 17:30:40,522 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