./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 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_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-803cd42-m [2024-11-22 14:23:50,987 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:23:51,041 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:23:51,046 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:23:51,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:23:51,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:23:51,074 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:23:51,074 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:23:51,075 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:23:51,076 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:23:51,076 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:23:51,076 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:23:51,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:23:51,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:23:51,078 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:23:51,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:23:51,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:23:51,079 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:23:51,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:23:51,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:23:51,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:23:51,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:23:51,083 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:23:51,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:23:51,084 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:23:51,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:23:51,084 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:23:51,084 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:23:51,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:23:51,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:23:51,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:23:51,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:23:51,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:23:51,086 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:23:51,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:23:51,086 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:23:51,086 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:23:51,086 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:23:51,086 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:23:51,087 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33ea2a815d3ee319237562a4f44f4c58bc4a24bd2ff234245c80f52d85079eb0 [2024-11-22 14:23:51,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:23:51,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:23:51,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:23:51,310 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:23:51,310 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:23:51,311 INFO L431 ainManager$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 [2024-11-22 14:23:52,565 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:23:52,944 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:23:52,944 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i [2024-11-22 14:23:52,986 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4597dedd3/a5430a4b8bfa41288bcb56a6cfcf5bdd/FLAGa74ec8978 [2024-11-22 14:23:53,000 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4597dedd3/a5430a4b8bfa41288bcb56a6cfcf5bdd [2024-11-22 14:23:53,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:23:53,004 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:23:53,007 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:23:53,007 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:23:53,011 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:23:53,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:23:53" (1/1) ... [2024-11-22 14:23:53,012 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a0c1ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:53, skipping insertion in model container [2024-11-22 14:23:53,012 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:23:53" (1/1) ... [2024-11-22 14:23:53,099 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:23:53,320 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] [2024-11-22 14:23:53,327 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] [2024-11-22 14:23:53,820 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:53,820 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:53,821 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:53,821 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:53,822 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:53,831 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:53,831 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:53,832 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:53,833 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:54,203 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:54,204 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:54,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:23:54,421 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:23:54,438 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] [2024-11-22 14:23:54,439 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] [2024-11-22 14:23:54,484 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:54,484 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:54,485 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:54,485 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:54,485 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:54,495 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:54,495 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:54,496 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:54,496 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:54,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-22 14:23:54,612 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:54,612 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:23:54,647 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8963-8974] [2024-11-22 14:23:54,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:23:54,817 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:23:54,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:54 WrapperNode [2024-11-22 14:23:54,818 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:23:54,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:23:54,819 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:23:54,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:23:54,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:54" (1/1) ... [2024-11-22 14:23:54,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:54" (1/1) ... [2024-11-22 14:23:54,950 INFO L138 Inliner]: procedures = 680, calls = 2872, calls flagged for inlining = 56, calls inlined = 6, statements flattened = 817 [2024-11-22 14:23:54,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:23:54,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:23:54,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:23:54,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:23:54,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:54" (1/1) ... [2024-11-22 14:23:54,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:54" (1/1) ... [2024-11-22 14:23:54,970 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:54" (1/1) ... [2024-11-22 14:23:55,029 INFO L175 MemorySlicer]: Split 531 memory accesses to 5 slices as follows [2, 257, 238, 28, 6]. 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, 5, 0]. [2024-11-22 14:23:55,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:54" (1/1) ... [2024-11-22 14:23:55,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:54" (1/1) ... [2024-11-22 14:23:55,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:54" (1/1) ... [2024-11-22 14:23:55,063 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:54" (1/1) ... [2024-11-22 14:23:55,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:54" (1/1) ... [2024-11-22 14:23:55,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:54" (1/1) ... [2024-11-22 14:23:55,093 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:23:55,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:23:55,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:23:55,095 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:23:55,095 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:54" (1/1) ... [2024-11-22 14:23:55,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:23:55,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:23:55,121 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 14:23:55,123 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 14:23:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:23:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-22 14:23:55,159 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-22 14:23:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:23:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:23:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:23:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:23:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:23:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:23:55,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:23:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:23:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:23:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:23:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:23:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:23:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:23:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:23:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-22 14:23:55,161 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-22 14:23:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:23:55,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:23:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:23:55,161 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:23:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-22 14:23:55,161 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-22 14:23:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:23:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:23:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:23:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:23:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:23:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-22 14:23:55,162 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-22 14:23:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-22 14:23:55,162 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-22 14:23:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-22 14:23:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-22 14:23:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-22 14:23:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-22 14:23:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-22 14:23:55,163 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-22 14:23:55,163 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-22 14:23:55,163 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-22 14:23:55,163 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-22 14:23:55,163 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-22 14:23:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:23:55,163 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:23:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:23:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:23:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:23:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:23:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:23:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:23:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:23:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:23:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:23:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:23:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:23:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-22 14:23:55,164 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-22 14:23:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:23:55,164 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:23:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-22 14:23:55,164 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-22 14:23:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-22 14:23:55,164 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-22 14:23:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-22 14:23:55,164 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-22 14:23:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-22 14:23:55,164 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-22 14:23:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:23:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:23:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:23:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:23:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:23:55,414 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:23:55,416 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:24:02,583 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-22 14:24:02,584 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:24:02,594 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:24:02,595 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-22 14:24:02,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:24:02 BoogieIcfgContainer [2024-11-22 14:24:02,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:24:02,598 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:24:02,598 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:24:02,601 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:24:02,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:23:53" (1/3) ... [2024-11-22 14:24:02,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20edb11b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:24:02, skipping insertion in model container [2024-11-22 14:24:02,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:23:54" (2/3) ... [2024-11-22 14:24:02,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20edb11b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:24:02, skipping insertion in model container [2024-11-22 14:24:02,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:24:02" (3/3) ... [2024-11-22 14:24:02,604 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_clean_up_harness_negated.i [2024-11-22 14:24:02,618 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:24:02,619 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-22 14:24:02,682 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:24:02,690 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;@3ee11b60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:24:02,691 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-22 14:24:02,694 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) [2024-11-22 14:24:02,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-22 14:24:02,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:24:02,701 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] [2024-11-22 14:24:02,702 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 14:24:02,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:24:02,708 INFO L85 PathProgramCache]: Analyzing trace with hash -775767707, now seen corresponding path program 1 times [2024-11-22 14:24:02,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:24:02,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325331735] [2024-11-22 14:24:02,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:24:02,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:25:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:25:14,880 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-22 14:25:14,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:25:14,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325331735] [2024-11-22 14:25:14,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325331735] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:25:14,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135369126] [2024-11-22 14:25:14,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:25:14,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:25:14,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:25:14,887 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 14:25:14,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process