./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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_clean_up_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 33ea2a815d3ee319237562a4f44f4c58bc4a24bd2ff234245c80f52d85079eb0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:24:25,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:24:25,606 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:24:25,611 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:24:25,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:24:25,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:24:25,640 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:24:25,641 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:24:25,641 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:24:25,641 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:24:25,641 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:24:25,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:24:25,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:24:25,642 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:24:25,643 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:24:25,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:24:25,645 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:24:25,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:24:25,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:24:25,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:24:25,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:24:25,648 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:24:25,649 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:24:25,649 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:24:25,649 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:24:25,650 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:24:25,651 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:24:25,651 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:24:25,651 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:24:25,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:24:25,651 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:24:25,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:24:25,652 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:24:25,653 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:24:25,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:24:25,653 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:24:25,653 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:24:25,654 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:24:25,654 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:24:25,654 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33ea2a815d3ee319237562a4f44f4c58bc4a24bd2ff234245c80f52d85079eb0 [2024-11-19 02:24:25,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:24:25,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:24:25,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:24:25,949 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:24:25,950 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:24:25,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i [2024-11-19 02:24:27,484 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:24:27,901 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:24:27,903 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i [2024-11-19 02:24:27,939 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e90088a6/81ba97e2c8174e49b48a5b6c04e04852/FLAG1cb628f07 [2024-11-19 02:24:27,955 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e90088a6/81ba97e2c8174e49b48a5b6c04e04852 [2024-11-19 02:24:27,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:24:27,960 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:24:27,962 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:24:27,962 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:24:27,967 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:24:27,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:24:27" (1/1) ... [2024-11-19 02:24:27,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f7e8b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:27, skipping insertion in model container [2024-11-19 02:24:27,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:24:27" (1/1) ... [2024-11-19 02:24:28,089 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:24:28,333 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_clean_up_harness_negated.i[4498,4511] [2024-11-19 02:24:28,339 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_clean_up_harness_negated.i[4558,4571] [2024-11-19 02:24:28,951 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:28,951 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:28,953 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:28,954 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:28,954 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:28,971 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:28,972 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:28,977 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:28,982 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:29,438 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:29,442 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:29,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:24:29,637 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:24:29,659 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_clean_up_harness_negated.i[4498,4511] [2024-11-19 02:24:29,660 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_clean_up_harness_negated.i[4558,4571] [2024-11-19 02:24:29,790 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:29,791 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:29,791 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:29,791 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:29,792 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:29,800 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:29,800 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:29,805 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:29,805 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:30,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-19 02:24:30,043 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:30,044 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:30,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8963-8974] [2024-11-19 02:24:30,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:24:30,271 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:24:30,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:30 WrapperNode [2024-11-19 02:24:30,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:24:30,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:24:30,277 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:24:30,277 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:24:30,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:30" (1/1) ... [2024-11-19 02:24:30,423 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:30" (1/1) ... [2024-11-19 02:24:30,513 INFO L138 Inliner]: procedures = 680, calls = 2872, calls flagged for inlining = 56, calls inlined = 6, statements flattened = 817 [2024-11-19 02:24:30,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:24:30,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:24:30,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:24:30,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:24:30,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:30" (1/1) ... [2024-11-19 02:24:30,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:30" (1/1) ... [2024-11-19 02:24:30,542 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:30" (1/1) ... [2024-11-19 02:24:30,637 INFO L175 MemorySlicer]: Split 531 memory accesses to 5 slices as follows [2, 257, 238, 6, 28]. 48 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 0, 6, 5, 5]. The 494 writes are split as follows [0, 257, 232, 0, 5]. [2024-11-19 02:24:30,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:30" (1/1) ... [2024-11-19 02:24:30,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:30" (1/1) ... [2024-11-19 02:24:30,681 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:30" (1/1) ... [2024-11-19 02:24:30,689 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:30" (1/1) ... [2024-11-19 02:24:30,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:30" (1/1) ... [2024-11-19 02:24:30,714 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:30" (1/1) ... [2024-11-19 02:24:30,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:24:30,741 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:24:30,741 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:24:30,741 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:24:30,742 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:30" (1/1) ... [2024-11-19 02:24:30,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:24:30,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:24:30,777 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) [2024-11-19 02:24:30,784 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 [2024-11-19 02:24:30,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:24:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-19 02:24:30,839 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-19 02:24:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:24:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:24:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:24:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:24:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:24:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:24:30,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:24:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:24:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:24:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:24:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:24:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:24:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:24:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:24:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-19 02:24:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-19 02:24:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:24:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:24:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:24:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:24:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-19 02:24:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-19 02:24:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:24:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:24:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:24:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:24:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:24:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-19 02:24:30,843 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-19 02:24:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-19 02:24:30,843 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-19 02:24:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 02:24:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 02:24:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 02:24:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-19 02:24:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-19 02:24:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 02:24:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 02:24:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 02:24:30,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-19 02:24:30,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-19 02:24:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:24:30,845 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:24:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:24:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:24:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:24:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:24:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:24:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:24:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:24:30,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:24:30,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:24:30,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:24:30,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:24:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-19 02:24:30,848 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-19 02:24:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:24:30,848 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:24:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:24:30,848 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:24:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-19 02:24:30,848 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-19 02:24:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-19 02:24:30,849 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-19 02:24:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-19 02:24:30,849 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-19 02:24:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:24:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:24:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:24:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:24:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:24:31,264 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:24:31,267 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:24:38,927 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-19 02:24:38,928 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:24:38,939 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:24:38,939 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-19 02:24:38,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:24:38 BoogieIcfgContainer [2024-11-19 02:24:38,939 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:24:38,941 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:24:38,941 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:24:38,944 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:24:38,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:24:27" (1/3) ... [2024-11-19 02:24:38,945 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68fc511f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:24:38, skipping insertion in model container [2024-11-19 02:24:38,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:30" (2/3) ... [2024-11-19 02:24:38,945 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68fc511f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:24:38, skipping insertion in model container [2024-11-19 02:24:38,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:24:38" (3/3) ... [2024-11-19 02:24:38,946 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_clean_up_harness_negated.i [2024-11-19 02:24:38,959 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:24:38,960 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-19 02:24:39,012 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:24:39,018 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;@66331bb2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:24:39,019 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-19 02:24:39,027 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 99 states have (on average 1.2525252525252526) internal successors, (124), 102 states have internal predecessors, (124), 33 states have call successors, (33), 15 states have call predecessors, (33), 15 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-19 02:24:39,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-19 02:24:39,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:24:39,036 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 02:24:39,036 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)] === [2024-11-19 02:24:39,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:24:39,041 INFO L85 PathProgramCache]: Analyzing trace with hash -775767707, now seen corresponding path program 1 times [2024-11-19 02:24:39,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:24:39,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867103947] [2024-11-19 02:24:39,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:24:39,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:25:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:25:55,412 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-19 02:25:55,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:25:55,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867103947] [2024-11-19 02:25:55,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867103947] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:25:55,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26522836] [2024-11-19 02:25:55,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:25:55,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:25:55,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:25:55,419 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 02:25:55,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process