./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 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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_negated.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 8d16217b02ecd6e481b32d24ab08e27bf0c28fb8762abe433cdf4ba726b5e322 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 11:06:27,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 11:06:27,142 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 11:06:27,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 11:06:27,148 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 11:06:27,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 11:06:27,196 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 11:06:27,197 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 11:06:27,197 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 11:06:27,197 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 11:06:27,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 11:06:27,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 11:06:27,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 11:06:27,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 11:06:27,199 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 11:06:27,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 11:06:27,199 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 11:06:27,199 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 11:06:27,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 11:06:27,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 11:06:27,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 11:06:27,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 11:06:27,205 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 11:06:27,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 11:06:27,206 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 11:06:27,206 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 11:06:27,206 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 11:06:27,206 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 11:06:27,206 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 11:06:27,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:06:27,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 11:06:27,208 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 11:06:27,208 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 11:06:27,208 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 11:06:27,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 11:06:27,209 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 11:06:27,209 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 11:06:27,209 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 11:06:27,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 11:06:27,210 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d16217b02ecd6e481b32d24ab08e27bf0c28fb8762abe433cdf4ba726b5e322 [2024-11-10 11:06:27,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 11:06:27,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 11:06:27,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 11:06:27,432 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 11:06:27,432 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 11:06:27,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness_negated.i [2024-11-10 11:06:28,673 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 11:06:29,088 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 11:06:29,089 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness_negated.i [2024-11-10 11:06:29,125 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9b88e4e4/0c8cbc6ef9124ba2a7d1e18dd00c3893/FLAG26ff736a8 [2024-11-10 11:06:29,140 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9b88e4e4/0c8cbc6ef9124ba2a7d1e18dd00c3893 [2024-11-10 11:06:29,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 11:06:29,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 11:06:29,158 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 11:06:29,160 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 11:06:29,164 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 11:06:29,165 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:06:29" (1/1) ... [2024-11-10 11:06:29,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33568331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:29, skipping insertion in model container [2024-11-10 11:06:29,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:06:29" (1/1) ... [2024-11-10 11:06:29,242 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 11:06:29,470 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_negated.i[4497,4510] [2024-11-10 11:06:29,477 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_negated.i[4557,4570] [2024-11-10 11:06:29,977 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:29,978 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:29,978 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:29,979 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:29,980 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:29,989 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:29,989 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:29,991 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:29,991 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:30,453 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:30,453 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:30,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:06:30,653 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 11:06:30,670 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_negated.i[4497,4510] [2024-11-10 11:06:30,670 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_negated.i[4557,4570] [2024-11-10 11:06:30,713 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:30,714 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:30,715 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:30,715 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:30,715 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:30,719 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:30,720 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:30,720 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:30,720 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:30,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-10 11:06:30,813 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:30,813 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:30,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8963-8974] [2024-11-10 11:06:30,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:06:31,051 INFO L204 MainTranslator]: Completed translation [2024-11-10 11:06:31,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:31 WrapperNode [2024-11-10 11:06:31,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 11:06:31,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 11:06:31,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 11:06:31,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 11:06:31,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:31" (1/1) ... [2024-11-10 11:06:31,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:31" (1/1) ... [2024-11-10 11:06:31,209 INFO L138 Inliner]: procedures = 684, calls = 2948, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 1030 [2024-11-10 11:06:31,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 11:06:31,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 11:06:31,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 11:06:31,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 11:06:31,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:31" (1/1) ... [2024-11-10 11:06:31,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:31" (1/1) ... [2024-11-10 11:06:31,231 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:31" (1/1) ... [2024-11-10 11:06:31,315 INFO L175 MemorySlicer]: Split 593 memory accesses to 6 slices as follows [36, 257, 2, 6, 243, 49]. 43 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [4, 0, 2, 4, 11, 10]. The 496 writes are split as follows [3, 257, 0, 0, 232, 4]. [2024-11-10 11:06:31,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:31" (1/1) ... [2024-11-10 11:06:31,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:31" (1/1) ... [2024-11-10 11:06:31,351 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:31" (1/1) ... [2024-11-10 11:06:31,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:31" (1/1) ... [2024-11-10 11:06:31,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:31" (1/1) ... [2024-11-10 11:06:31,409 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:31" (1/1) ... [2024-11-10 11:06:31,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 11:06:31,424 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 11:06:31,425 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 11:06:31,425 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 11:06:31,426 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:31" (1/1) ... [2024-11-10 11:06:31,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:06:31,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:06:31,456 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) [2024-11-10 11:06:31,458 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 [2024-11-10 11:06:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-10 11:06:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-10 11:06:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 11:06:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 11:06:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 11:06:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-10 11:06:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-10 11:06:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2024-11-10 11:06:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2024-11-10 11:06:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 11:06:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 11:06:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 11:06:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 11:06:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 11:06:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 11:06:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 11:06:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 11:06:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 11:06:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 11:06:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 11:06:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 11:06:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure is_empty_state [2024-11-10 11:06:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure is_empty_state [2024-11-10 11:06:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 11:06:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 11:06:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 11:06:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 11:06:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 11:06:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 11:06:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 11:06:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 11:06:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 11:06:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 11:06:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-10 11:06:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-10 11:06:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 11:06:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 11:06:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 11:06:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 11:06:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-10 11:06:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-10 11:06:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 11:06:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 11:06:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 11:06:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 11:06:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 11:06:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 11:06:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-10 11:06:31,507 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-10 11:06:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-10 11:06:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-10 11:06:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-10 11:06:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-10 11:06:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-10 11:06:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-10 11:06:31,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-10 11:06:31,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-10 11:06:31,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-10 11:06:31,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-10 11:06:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-10 11:06:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-10 11:06:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 11:06:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 11:06:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 11:06:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 11:06:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 11:06:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 11:06:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 11:06:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 11:06:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 11:06:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 11:06:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 11:06:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 11:06:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 11:06:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 11:06:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 11:06:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-10 11:06:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-10 11:06:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 11:06:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 11:06:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-10 11:06:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-10 11:06:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-10 11:06:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-10 11:06:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-10 11:06:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-10 11:06:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-10 11:06:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-10 11:06:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-10 11:06:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-10 11:06:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-10 11:06:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-10 11:06:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-10 11:06:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-10 11:06:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 11:06:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 11:06:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 11:06:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 11:06:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 11:06:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 11:06:31,810 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 11:06:31,814 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 11:06:31,850 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 11:06:31,907 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8775: 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; [2024-11-10 11:06:31,909 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-10 11:06:31,910 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-10 11:06:31,980 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7345: 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; [2024-11-10 11:06:32,005 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: havoc #t~ret422;havoc #t~mem421.base, #t~mem421.offset; [2024-11-10 11:06:32,014 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 11:06:32,050 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6032: havoc #t~mem452.base, #t~mem452.offset;havoc #t~mem453.base, #t~mem453.offset;havoc #t~short454; [2024-11-10 11:06:32,101 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5612: havoc #t~ret408.base, #t~ret408.offset; [2024-11-10 11:06:32,154 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6065: havoc #t~mem464.base, #t~mem464.offset;havoc #t~mem465.base, #t~mem465.offset;havoc #t~mem466.base, #t~mem466.offset;havoc #t~short467;havoc #t~short468;havoc #t~mem469.base, #t~mem469.offset;havoc #t~short470; [2024-11-10 11:06:32,166 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L9199: havoc #t~mem1365.base, #t~mem1365.offset; [2024-11-10 11:06:39,311 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L9188: havoc is_front_valid_state_#t~mem1362#1.base, is_front_valid_state_#t~mem1362#1.offset; [2024-11-10 11:06:39,440 INFO L? ?]: Removed 218 outVars from TransFormulas that were not future-live. [2024-11-10 11:06:39,440 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 11:06:39,462 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 11:06:39,464 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 11:06:39,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:06:39 BoogieIcfgContainer [2024-11-10 11:06:39,464 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 11:06:39,466 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 11:06:39,466 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 11:06:39,469 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 11:06:39,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:06:29" (1/3) ... [2024-11-10 11:06:39,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa7575f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:06:39, skipping insertion in model container [2024-11-10 11:06:39,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:31" (2/3) ... [2024-11-10 11:06:39,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa7575f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:06:39, skipping insertion in model container [2024-11-10 11:06:39,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:06:39" (3/3) ... [2024-11-10 11:06:39,474 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_release_harness_negated.i [2024-11-10 11:06:39,488 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 11:06:39,488 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-10 11:06:39,549 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 11:06:39,557 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;@4dc90d8d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 11:06:39,558 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-10 11:06:39,563 INFO L276 IsEmpty]: Start isEmpty. Operand has 323 states, 207 states have (on average 1.2367149758454106) internal successors, (256), 212 states have internal predecessors, (256), 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) [2024-11-10 11:06:39,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-10 11:06:39,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:06:39,572 INFO L215 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, 1] [2024-11-10 11:06:39,572 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)] === [2024-11-10 11:06:39,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:06:39,576 INFO L85 PathProgramCache]: Analyzing trace with hash -898428407, now seen corresponding path program 1 times [2024-11-10 11:06:39,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:06:39,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757722688] [2024-11-10 11:06:39,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:06:39,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:07:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:52,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:07:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:52,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 11:07:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:52,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:07:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:52,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 11:07:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:52,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 11:07:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:52,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:07:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:52,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 11:07:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:52,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 11:07:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:52,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 11:07:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:52,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 11:07:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:52,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 11:07:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:52,889 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 11:07:52,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:07:52,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757722688] [2024-11-10 11:07:52,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757722688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 11:07:52,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 11:07:52,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 11:07:52,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674424075] [2024-11-10 11:07:52,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 11:07:52,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 11:07:52,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 11:07:52,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 11:07:52,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 11:07:52,948 INFO L87 Difference]: Start difference. First operand has 323 states, 207 states have (on average 1.2367149758454106) internal successors, (256), 212 states have internal predecessors, (256), 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) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-10 11:07:57,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 11:08:00,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 11:08:00,700 INFO L93 Difference]: Finished difference Result 628 states and 922 transitions. [2024-11-10 11:08:00,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 11:08:00,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 67 [2024-11-10 11:08:00,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 11:08:00,710 INFO L225 Difference]: With dead ends: 628 [2024-11-10 11:08:00,710 INFO L226 Difference]: Without dead ends: 316 [2024-11-10 11:08:00,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 11:08:00,721 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 164 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 70 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2024-11-10 11:08:00,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 336 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 258 Invalid, 1 Unknown, 0 Unchecked, 7.6s Time] [2024-11-10 11:08:00,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-11-10 11:08:00,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2024-11-10 11:08:00,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 201 states have (on average 1.199004975124378) internal successors, (241), 206 states have internal predecessors, (241), 90 states have call successors, (90), 21 states have call predecessors, (90), 21 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-10 11:08:00,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 420 transitions. [2024-11-10 11:08:00,779 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 420 transitions. Word has length 67 [2024-11-10 11:08:00,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 11:08:00,780 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 420 transitions. [2024-11-10 11:08:00,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-10 11:08:00,780 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 420 transitions. [2024-11-10 11:08:00,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-10 11:08:00,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:08:00,786 INFO L215 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, 1] [2024-11-10 11:08:00,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 11:08:00,787 INFO L396 AbstractCegarLoop]: === Iteration 2 === 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)] === [2024-11-10 11:08:00,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:08:00,787 INFO L85 PathProgramCache]: Analyzing trace with hash 776132010, now seen corresponding path program 1 times [2024-11-10 11:08:00,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:08:00,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548068093] [2024-11-10 11:08:00,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:08:00,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms