./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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_acquire_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:23:45,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:23:45,709 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:23:45,713 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:23:45,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:23:45,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:23:45,732 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:23:45,732 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:23:45,733 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:23:45,735 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:23:45,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:23:45,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:23:45,736 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:23:45,736 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:23:45,736 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:23:45,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:23:45,737 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:23:45,737 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:23:45,737 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:23:45,737 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:23:45,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:23:45,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:23:45,739 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:23:45,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:23:45,739 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:23:45,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:23:45,739 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:23:45,740 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:23:45,740 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:23:45,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:23:45,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:23:45,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:23:45,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:23:45,741 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:23:45,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:23:45,742 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:23:45,742 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:23:45,742 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:23:45,742 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:23:45,742 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 [2024-11-22 14:23:45,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:23:45,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:23:45,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:23:45,964 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:23:45,965 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:23:45,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2024-11-22 14:23:47,183 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:23:47,589 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:23:47,589 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2024-11-22 14:23:47,626 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc5d17830/c6ab23b391c644588dfa8e5f121a0c28/FLAG11c6c7ec8 [2024-11-22 14:23:47,746 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc5d17830/c6ab23b391c644588dfa8e5f121a0c28 [2024-11-22 14:23:47,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:23:47,749 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:23:47,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:23:47,750 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:23:47,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:23:47,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:23:47" (1/1) ... [2024-11-22 14:23:47,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e3fe648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:47, skipping insertion in model container [2024-11-22 14:23:47,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:23:47" (1/1) ... [2024-11-22 14:23:47,834 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:23:48,057 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_acquire_harness.i[4497,4510] [2024-11-22 14:23:48,064 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_acquire_harness.i[4557,4570] [2024-11-22 14:23:48,656 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:48,657 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:48,657 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:48,658 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:48,659 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:48,672 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:48,673 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:48,675 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:48,676 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:49,131 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:49,132 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:49,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:23:49,245 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:23:49,260 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_acquire_harness.i[4497,4510] [2024-11-22 14:23:49,260 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_acquire_harness.i[4557,4570] [2024-11-22 14:23:49,291 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:49,291 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:49,291 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:49,292 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:49,292 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:49,295 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:49,295 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:49,296 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:49,296 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:49,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-22 14:23:49,427 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:49,427 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:49,447 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2024-11-22 14:23:49,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:23:49,624 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:23:49,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:49 WrapperNode [2024-11-22 14:23:49,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:23:49,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:23:49,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:23:49,626 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:23:49,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:49" (1/1) ... [2024-11-22 14:23:49,695 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:49" (1/1) ... [2024-11-22 14:23:49,760 INFO L138 Inliner]: procedures = 684, calls = 2943, calls flagged for inlining = 61, calls inlined = 12, statements flattened = 1208 [2024-11-22 14:23:49,761 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:23:49,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:23:49,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:23:49,762 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:23:49,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:49" (1/1) ... [2024-11-22 14:23:49,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:49" (1/1) ... [2024-11-22 14:23:49,789 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:49" (1/1) ... [2024-11-22 14:23:49,865 INFO L175 MemorySlicer]: Split 617 memory accesses to 5 slices as follows [257, 2, 243, 68, 47]. 42 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [0, 2, 11, 10, 4]. The 515 writes are split as follows [257, 0, 232, 4, 22]. [2024-11-22 14:23:49,867 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:49" (1/1) ... [2024-11-22 14:23:49,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:49" (1/1) ... [2024-11-22 14:23:49,901 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:49" (1/1) ... [2024-11-22 14:23:49,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:49" (1/1) ... [2024-11-22 14:23:49,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:49" (1/1) ... [2024-11-22 14:23:49,916 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:49" (1/1) ... [2024-11-22 14:23:49,933 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:23:49,934 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:23:49,934 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:23:49,934 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:23:49,935 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:49" (1/1) ... [2024-11-22 14:23:49,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:23:49,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:23:49,970 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) [2024-11-22 14:23:49,973 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 [2024-11-22 14:23:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-22 14:23:50,015 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-22 14:23:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:23:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:23:50,016 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:23:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-22 14:23:50,016 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-22 14:23:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:23:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:23:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:23:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:23:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:23:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:23:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:23:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:23:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:23:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:23:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-22 14:23:50,017 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-22 14:23:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:23:50,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:23:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:23:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:23:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:23:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:23:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:23:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:23:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:23:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-22 14:23:50,018 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-22 14:23:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:23:50,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:23:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:23:50,018 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:23:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-22 14:23:50,018 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-22 14:23:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:23:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:23:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:23:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:23:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:23:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-22 14:23:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-22 14:23:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:23:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:23:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-11-22 14:23:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-11-22 14:23:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:23:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:23:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:23:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:23:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:23:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:23:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:23:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:23:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:23:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:23:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:23:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-22 14:23:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-22 14:23:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-11-22 14:23:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-11-22 14:23:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:23:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:23:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-22 14:23:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-22 14:23:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-22 14:23:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-22 14:23:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-22 14:23:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-22 14:23:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:23:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:23:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:23:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:23:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:23:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-22 14:23:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-22 14:23:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-22 14:23:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-22 14:23:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-22 14:23:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-22 14:23:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-22 14:23:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-22 14:23:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:23:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:23:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:23:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:23:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:23:50,299 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:23:50,301 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:23:59,282 INFO L? ?]: Removed 224 outVars from TransFormulas that were not future-live. [2024-11-22 14:23:59,282 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:23:59,306 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:23:59,307 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-22 14:23:59,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:23:59 BoogieIcfgContainer [2024-11-22 14:23:59,307 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:23:59,309 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:23:59,310 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:23:59,312 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:23:59,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:23:47" (1/3) ... [2024-11-22 14:23:59,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4adaa14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:23:59, skipping insertion in model container [2024-11-22 14:23:59,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:49" (2/3) ... [2024-11-22 14:23:59,314 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4adaa14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:23:59, skipping insertion in model container [2024-11-22 14:23:59,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:23:59" (3/3) ... [2024-11-22 14:23:59,315 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness.i [2024-11-22 14:23:59,328 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:23:59,329 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-22 14:23:59,381 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:23:59,387 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;@1ff0a68c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:23:59,388 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-22 14:23:59,392 INFO L276 IsEmpty]: Start isEmpty. Operand has 412 states, 240 states have (on average 1.2208333333333334) internal successors, (293), 245 states have internal predecessors, (293), 146 states have call successors, (146), 21 states have call predecessors, (146), 21 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-22 14:23:59,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-22 14:23:59,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:23:59,402 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 14:23:59,402 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)] === [2024-11-22 14:23:59,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:23:59,408 INFO L85 PathProgramCache]: Analyzing trace with hash -832162892, now seen corresponding path program 1 times [2024-11-22 14:23:59,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:23:59,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709579467] [2024-11-22 14:23:59,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:23:59,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:25:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:25:14,994 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-22 14:25:14,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:25:14,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709579467] [2024-11-22 14:25:14,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709579467] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:25:14,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535473367] [2024-11-22 14:25:14,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:25:14,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:25:14,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:25:14,999 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) [2024-11-22 14:25:15,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process