./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 3289d67d 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.fs.icfgbuilder-eval-3289d67-m [2024-11-16 20:03:24,473 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 20:03:24,531 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 20:03:24,536 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 20:03:24,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 20:03:24,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 20:03:24,561 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 20:03:24,562 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 20:03:24,562 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 20:03:24,562 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 20:03:24,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 20:03:24,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 20:03:24,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 20:03:24,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 20:03:24,564 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 20:03:24,564 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 20:03:24,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 20:03:24,568 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 20:03:24,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 20:03:24,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 20:03:24,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 20:03:24,569 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 20:03:24,570 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 20:03:24,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 20:03:24,570 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 20:03:24,570 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 20:03:24,571 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 20:03:24,571 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 20:03:24,571 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 20:03:24,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:03:24,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 20:03:24,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 20:03:24,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 20:03:24,572 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 20:03:24,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 20:03:24,572 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 20:03:24,573 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 20:03:24,573 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 20:03:24,573 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 20:03:24,574 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33ea2a815d3ee319237562a4f44f4c58bc4a24bd2ff234245c80f52d85079eb0 [2024-11-16 20:03:24,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 20:03:24,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 20:03:24,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 20:03:24,788 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 20:03:24,788 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 20:03:24,789 INFO L431 ainManager$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 [2024-11-16 20:03:26,010 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 20:03:26,406 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 20:03:26,407 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i [2024-11-16 20:03:26,428 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06e806b9a/ae6a895d008645969f16279f22812ac1/FLAG6626f33cc [2024-11-16 20:03:26,557 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06e806b9a/ae6a895d008645969f16279f22812ac1 [2024-11-16 20:03:26,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 20:03:26,560 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 20:03:26,564 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 20:03:26,565 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 20:03:26,572 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 20:03:26,572 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:03:26" (1/1) ... [2024-11-16 20:03:26,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1519802b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:26, skipping insertion in model container [2024-11-16 20:03:26,573 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:03:26" (1/1) ... [2024-11-16 20:03:26,646 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 20:03:26,884 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] [2024-11-16 20:03:26,891 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] [2024-11-16 20:03:27,408 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:27,409 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:27,409 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:27,410 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:27,411 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:27,426 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:27,426 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:27,428 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:27,428 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:27,918 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:27,919 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:27,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:03:28,033 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 20:03:28,047 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] [2024-11-16 20:03:28,047 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] [2024-11-16 20:03:28,077 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:28,077 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:28,077 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:28,077 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:28,078 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:28,083 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:28,083 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:28,083 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:28,084 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:28,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-16 20:03:28,162 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:28,163 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:28,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8963-8974] [2024-11-16 20:03:28,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:03:28,363 INFO L204 MainTranslator]: Completed translation [2024-11-16 20:03:28,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:28 WrapperNode [2024-11-16 20:03:28,363 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 20:03:28,364 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 20:03:28,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 20:03:28,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 20:03:28,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:28" (1/1) ... [2024-11-16 20:03:28,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:28" (1/1) ... [2024-11-16 20:03:28,545 INFO L138 Inliner]: procedures = 680, calls = 2872, calls flagged for inlining = 56, calls inlined = 6, statements flattened = 816 [2024-11-16 20:03:28,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 20:03:28,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 20:03:28,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 20:03:28,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 20:03:28,560 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:28" (1/1) ... [2024-11-16 20:03:28,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:28" (1/1) ... [2024-11-16 20:03:28,570 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:28" (1/1) ... [2024-11-16 20:03:28,617 INFO L175 MemorySlicer]: Split 531 memory accesses to 5 slices as follows [2, 6, 257, 238, 28]. 48 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 5, 0, 6, 5]. The 494 writes are split as follows [0, 0, 257, 232, 5]. [2024-11-16 20:03:28,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:28" (1/1) ... [2024-11-16 20:03:28,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:28" (1/1) ... [2024-11-16 20:03:28,655 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:28" (1/1) ... [2024-11-16 20:03:28,656 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:28" (1/1) ... [2024-11-16 20:03:28,660 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:28" (1/1) ... [2024-11-16 20:03:28,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:28" (1/1) ... [2024-11-16 20:03:28,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 20:03:28,685 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 20:03:28,685 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 20:03:28,685 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 20:03:28,686 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:28" (1/1) ... [2024-11-16 20:03:28,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:03:28,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:03:28,713 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) [2024-11-16 20:03:28,715 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 [2024-11-16 20:03:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 20:03:28,748 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-16 20:03:28,748 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-16 20:03:28,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 20:03:28,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 20:03:28,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 20:03:28,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 20:03:28,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 20:03:28,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 20:03:28,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 20:03:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 20:03:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 20:03:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 20:03:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 20:03:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 20:03:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 20:03:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 20:03:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-16 20:03:28,750 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-16 20:03:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 20:03:28,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 20:03:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 20:03:28,751 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 20:03:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-16 20:03:28,751 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-16 20:03:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 20:03:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 20:03:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 20:03:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 20:03:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 20:03:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-16 20:03:28,752 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-16 20:03:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-16 20:03:28,752 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-16 20:03:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-16 20:03:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-16 20:03:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-16 20:03:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-16 20:03:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-16 20:03:28,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-16 20:03:28,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-16 20:03:28,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-16 20:03:28,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-16 20:03:28,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-16 20:03:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 20:03:28,754 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 20:03:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 20:03:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 20:03:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 20:03:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 20:03:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 20:03:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 20:03:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 20:03:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 20:03:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 20:03:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 20:03:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 20:03:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-16 20:03:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-16 20:03:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 20:03:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 20:03:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 20:03:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 20:03:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-16 20:03:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-16 20:03:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-16 20:03:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-16 20:03:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-16 20:03:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-16 20:03:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 20:03:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 20:03:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 20:03:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 20:03:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 20:03:28,989 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 20:03:28,991 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 20:03:29,017 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 20:03:29,018 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-16 20:03:29,020 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 20:03:29,064 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: havoc #t~ret422;havoc #t~mem421.base, #t~mem421.offset; [2024-11-16 20:03:29,103 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6032: havoc #t~mem452.base, #t~mem452.offset;havoc #t~mem453.base, #t~mem453.offset;havoc #t~short454; [2024-11-16 20:03:29,150 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5612: havoc #t~ret408.base, #t~ret408.offset; [2024-11-16 20:03:29,188 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6065: havoc #t~mem464.base, #t~mem464.offset;havoc #t~mem465.base, #t~mem465.offset;havoc #t~mem466.base, #t~mem466.offset;havoc #t~short467;havoc #t~short468;havoc #t~mem469.base, #t~mem469.offset;havoc #t~short470; [2024-11-16 20:03:35,732 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-16 20:03:35,732 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 20:03:35,751 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 20:03:35,753 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 20:03:35,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:03:35 BoogieIcfgContainer [2024-11-16 20:03:35,753 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 20:03:35,755 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 20:03:35,756 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 20:03:35,758 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 20:03:35,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:03:26" (1/3) ... [2024-11-16 20:03:35,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@235b323f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:03:35, skipping insertion in model container [2024-11-16 20:03:35,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:28" (2/3) ... [2024-11-16 20:03:35,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@235b323f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:03:35, skipping insertion in model container [2024-11-16 20:03:35,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:03:35" (3/3) ... [2024-11-16 20:03:35,760 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_clean_up_harness_negated.i [2024-11-16 20:03:35,774 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 20:03:35,774 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-16 20:03:35,828 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 20:03:35,833 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;@3e00ad9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 20:03:35,833 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-16 20:03:35,837 INFO L276 IsEmpty]: Start isEmpty. Operand has 155 states, 102 states have (on average 1.2549019607843137) internal successors, (128), 106 states have internal predecessors, (128), 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) [2024-11-16 20:03:35,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-16 20:03:35,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:03:35,846 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, 1] [2024-11-16 20:03:35,847 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)] === [2024-11-16 20:03:35,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:03:35,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1907815506, now seen corresponding path program 1 times [2024-11-16 20:03:35,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:03:35,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36375029] [2024-11-16 20:03:35,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:03:35,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:04:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:49,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:04:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:49,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:04:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:50,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:04:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:50,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:04:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:50,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 20:04:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:50,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 20:04:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:50,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 20:04:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:50,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 20:04:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:50,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 20:04:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:50,088 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-16 20:04:50,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:04:50,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36375029] [2024-11-16 20:04:50,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36375029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:04:50,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:04:50,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 20:04:50,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314562517] [2024-11-16 20:04:50,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:04:50,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 20:04:50,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:04:50,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 20:04:50,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 20:04:50,114 INFO L87 Difference]: Start difference. First operand has 155 states, 102 states have (on average 1.2549019607843137) internal successors, (128), 106 states have internal predecessors, (128), 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) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-16 20:04:54,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:04:56,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:04:56,455 INFO L93 Difference]: Finished difference Result 295 states and 397 transitions. [2024-11-16 20:04:56,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 20:04:56,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 57 [2024-11-16 20:04:56,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:04:56,464 INFO L225 Difference]: With dead ends: 295 [2024-11-16 20:04:56,464 INFO L226 Difference]: Without dead ends: 150 [2024-11-16 20:04:56,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 20:04:56,469 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 94 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 24 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-16 20:04:56,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 105 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 134 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-11-16 20:04:56,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-16 20:04:56,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 148. [2024-11-16 20:04:56,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 96 states have (on average 1.1770833333333333) internal successors, (113), 100 states have internal predecessors, (113), 33 states have call successors, (33), 15 states have call predecessors, (33), 15 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-16 20:04:56,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 178 transitions. [2024-11-16 20:04:56,508 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 178 transitions. Word has length 57 [2024-11-16 20:04:56,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:04:56,508 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 178 transitions. [2024-11-16 20:04:56,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-16 20:04:56,509 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 178 transitions. [2024-11-16 20:04:56,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-16 20:04:56,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:04:56,514 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, 1] [2024-11-16 20:04:56,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 20:04:56,515 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2024-11-16 20:04:56,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:04:56,515 INFO L85 PathProgramCache]: Analyzing trace with hash -712591373, now seen corresponding path program 1 times [2024-11-16 20:04:56,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:04:56,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447946904] [2024-11-16 20:04:56,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:04:56,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms