./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/bin/uautomizer-verify-aQ6SnzHsRB --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 0.3.0-dev-d790fec [2024-11-27 20:06:22,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:06:22,852 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 20:06:22,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:06:22,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:06:22,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:06:22,908 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:06:22,908 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:06:22,909 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:06:22,909 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:06:22,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:06:22,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:06:22,911 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:06:22,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:06:22,912 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:06:22,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:06:22,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:06:22,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:06:22,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:06:22,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:06:22,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:06:22,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:06:22,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:06:22,914 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:06:22,914 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:06:22,915 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:06:22,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:06:22,915 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:06:22,915 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:06:22,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:06:22,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:06:22,916 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:06:22,916 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:06:22,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:06:22,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:06:22,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:06:22,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:06:22,916 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:06:22,916 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:06:22,916 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:06:22,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:06:22,917 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:06:22,917 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:06:22,917 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:06:22,917 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:06:22,917 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-27 20:06:23,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:06:23,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:06:23,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:06:23,348 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:06:23,349 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:06:23,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2024-11-27 20:06:27,050 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/bin/uautomizer-verify-aQ6SnzHsRB/data/e302ed071/ab0c26e4fd7c499fa6eef8936d8751ca/FLAG067a82c8c [2024-11-27 20:06:27,988 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:06:27,989 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2024-11-27 20:06:28,046 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/bin/uautomizer-verify-aQ6SnzHsRB/data/e302ed071/ab0c26e4fd7c499fa6eef8936d8751ca/FLAG067a82c8c [2024-11-27 20:06:28,068 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/bin/uautomizer-verify-aQ6SnzHsRB/data/e302ed071/ab0c26e4fd7c499fa6eef8936d8751ca [2024-11-27 20:06:28,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:06:28,073 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:06:28,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:06:28,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:06:28,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:06:28,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:06:28" (1/1) ... [2024-11-27 20:06:28,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199a924d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:28, skipping insertion in model container [2024-11-27 20:06:28,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:06:28" (1/1) ... [2024-11-27 20:06:28,260 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:06:28,578 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4497,4510] [2024-11-27 20:06:28,588 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4557,4570] [2024-11-27 20:06:29,880 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:06:29,881 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:06:29,882 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:06:29,884 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:06:29,886 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:06:29,913 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:06:29,915 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:06:29,918 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:06:29,919 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:06:31,123 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:06:31,123 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:06:31,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:06:31,391 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:06:31,409 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4497,4510] [2024-11-27 20:06:31,412 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4557,4570] [2024-11-27 20:06:31,491 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:06:31,491 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:06:31,492 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:06:31,492 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:06:31,493 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:06:31,577 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:06:31,577 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:06:31,579 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:06:31,580 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:06:31,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-27 20:06:31,796 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:06:31,796 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:06:31,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2024-11-27 20:06:31,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:06:32,236 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:06:32,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:32 WrapperNode [2024-11-27 20:06:32,237 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:06:32,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:06:32,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:06:32,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:06:32,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:32" (1/1) ... [2024-11-27 20:06:32,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:32" (1/1) ... [2024-11-27 20:06:32,506 INFO L138 Inliner]: procedures = 684, calls = 2943, calls flagged for inlining = 61, calls inlined = 12, statements flattened = 1207 [2024-11-27 20:06:32,507 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:06:32,508 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:06:32,508 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:06:32,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:06:32,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:32" (1/1) ... [2024-11-27 20:06:32,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:32" (1/1) ... [2024-11-27 20:06:32,546 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:32" (1/1) ... [2024-11-27 20:06:32,757 INFO L175 MemorySlicer]: Split 617 memory accesses to 5 slices as follows [68, 2, 257, 243, 47]. 42 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [10, 2, 0, 11, 4]. The 515 writes are split as follows [4, 0, 257, 232, 22]. [2024-11-27 20:06:32,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:32" (1/1) ... [2024-11-27 20:06:32,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:32" (1/1) ... [2024-11-27 20:06:32,872 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:32" (1/1) ... [2024-11-27 20:06:32,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:32" (1/1) ... [2024-11-27 20:06:32,884 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:32" (1/1) ... [2024-11-27 20:06:32,896 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:32" (1/1) ... [2024-11-27 20:06:32,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:32" (1/1) ... [2024-11-27 20:06:32,921 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:06:32,922 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:06:32,922 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:06:32,922 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:06:32,924 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:32" (1/1) ... [2024-11-27 20:06:32,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:06:32,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:32,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:32,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:06:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-27 20:06:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-27 20:06:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 20:06:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-27 20:06:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-27 20:06:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-27 20:06:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-27 20:06:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 20:06:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 20:06:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 20:06:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 20:06:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 20:06:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 20:06:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 20:06:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 20:06:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 20:06:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 20:06:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-27 20:06:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-27 20:06:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-27 20:06:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-27 20:06:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 20:06:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:06:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 20:06:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 20:06:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 20:06:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 20:06:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 20:06:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-27 20:06:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-27 20:06:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:06:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:06:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-27 20:06:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-27 20:06:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-27 20:06:33,025 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-27 20:06:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 20:06:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 20:06:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 20:06:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 20:06:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 20:06:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-27 20:06:33,026 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-27 20:06:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:06:33,026 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:06:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-11-27 20:06:33,026 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-11-27 20:06:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 20:06:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 20:06:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 20:06:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 20:06:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 20:06:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 20:06:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-27 20:06:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-27 20:06:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-27 20:06:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-27 20:06:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-27 20:06:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-27 20:06:33,027 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-27 20:06:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-11-27 20:06:33,028 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-11-27 20:06:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-27 20:06:33,028 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-27 20:06:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-27 20:06:33,028 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-27 20:06:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-27 20:06:33,028 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-27 20:06:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-27 20:06:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-27 20:06:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 20:06:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 20:06:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 20:06:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 20:06:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 20:06:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-27 20:06:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-27 20:06:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-27 20:06:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-27 20:06:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-27 20:06:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-27 20:06:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-27 20:06:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-27 20:06:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:06:33,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 20:06:33,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 20:06:33,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 20:06:33,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 20:06:33,599 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:06:33,603 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:06:45,835 INFO L? ?]: Removed 224 outVars from TransFormulas that were not future-live. [2024-11-27 20:06:45,836 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:06:45,869 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:06:45,869 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-27 20:06:45,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:06:45 BoogieIcfgContainer [2024-11-27 20:06:45,869 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:06:45,877 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:06:45,877 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:06:45,885 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:06:45,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:06:28" (1/3) ... [2024-11-27 20:06:45,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2c3be5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:06:45, skipping insertion in model container [2024-11-27 20:06:45,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:32" (2/3) ... [2024-11-27 20:06:45,887 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2c3be5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:06:45, skipping insertion in model container [2024-11-27 20:06:45,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:06:45" (3/3) ... [2024-11-27 20:06:45,889 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness.i [2024-11-27 20:06:45,912 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:06:45,914 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_acquire_harness.i that has 22 procedures, 412 locations, 1 initial locations, 3 loop locations, and 4 error locations. [2024-11-27 20:06:46,026 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:06:46,045 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;@6f8ff92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:06:46,045 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-27 20:06:46,054 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) [2024-11-27 20:06:46,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-27 20:06:46,068 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:46,069 INFO L218 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] [2024-11-27 20:06:46,070 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)] === [2024-11-27 20:06:46,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:46,077 INFO L85 PathProgramCache]: Analyzing trace with hash 863824046, now seen corresponding path program 1 times [2024-11-27 20:06:46,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:46,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042888736] [2024-11-27 20:06:46,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:46,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:36,429 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-27 20:08:36,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:36,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042888736] [2024-11-27 20:08:36,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042888736] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:08:36,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350800445] [2024-11-27 20:08:36,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:36,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:36,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:36,441 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:36,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:10:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:10:30,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 7590 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:10:30,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:10:30,174 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-27 20:10:30,174 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:10:30,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350800445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:10:30,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:10:30,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 20:10:30,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328011516] [2024-11-27 20:10:30,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:10:30,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:10:30,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:10:30,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:10:30,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:10:30,217 INFO L87 Difference]: Start difference. First 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) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 20:10:30,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:10:30,331 INFO L93 Difference]: Finished difference Result 807 states and 1260 transitions. [2024-11-27 20:10:30,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:10:30,333 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 71 [2024-11-27 20:10:30,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:10:30,353 INFO L225 Difference]: With dead ends: 807 [2024-11-27 20:10:30,353 INFO L226 Difference]: Without dead ends: 406 [2024-11-27 20:10:30,367 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:10:30,373 INFO L435 NwaCegarLoop]: 575 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:10:30,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:10:30,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-27 20:10:30,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2024-11-27 20:10:30,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 235 states have (on average 1.1872340425531915) internal successors, (279), 240 states have internal predecessors, (279), 146 states have call successors, (146), 21 states have call predecessors, (146), 21 states have return successors, (145), 145 states have call predecessors, (145), 145 states have call successors, (145) [2024-11-27 20:10:30,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 570 transitions. [2024-11-27 20:10:30,509 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 570 transitions. Word has length 71 [2024-11-27 20:10:30,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:10:30,511 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 570 transitions. [2024-11-27 20:10:30,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 20:10:30,512 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 570 transitions. [2024-11-27 20:10:30,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-27 20:10:30,515 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:10:30,516 INFO L218 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] [2024-11-27 20:10:30,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 20:10:30,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20815920-225a-4f4d-a576-86e459347eb8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 20:10:30,717 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)] === [2024-11-27 20:10:30,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:10:30,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1106349780, now seen corresponding path program 1 times [2024-11-27 20:10:30,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:10:30,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047582625] [2024-11-27 20:10:30,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:10:30,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:29,301 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:12:29,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:29,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047582625] [2024-11-27 20:12:29,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047582625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:29,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:29,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:12:29,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510558781] [2024-11-27 20:12:29,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:29,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:12:29,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:29,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:12:29,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:12:29,305 INFO L87 Difference]: Start difference. First operand 406 states and 570 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 20:12:29,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:29,968 INFO L93 Difference]: Finished difference Result 796 states and 1120 transitions. [2024-11-27 20:12:29,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:12:29,969 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 71 [2024-11-27 20:12:29,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:29,977 INFO L225 Difference]: With dead ends: 796 [2024-11-27 20:12:29,977 INFO L226 Difference]: Without dead ends: 418 [2024-11-27 20:12:29,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:12:29,981 INFO L435 NwaCegarLoop]: 565 mSDtfsCounter, 15 mSDsluCounter, 1673 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2238 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:29,982 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2238 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 20:12:29,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-27 20:12:30,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 416. [2024-11-27 20:12:30,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 242 states have (on average 1.1859504132231404) internal successors, (287), 248 states have internal predecessors, (287), 147 states have call successors, (147), 22 states have call predecessors, (147), 23 states have return successors, (148), 146 states have call predecessors, (148), 146 states have call successors, (148) [2024-11-27 20:12:30,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 582 transitions. [2024-11-27 20:12:30,033 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 582 transitions. Word has length 71 [2024-11-27 20:12:30,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:30,033 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 582 transitions. [2024-11-27 20:12:30,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 20:12:30,034 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 582 transitions. [2024-11-27 20:12:30,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-27 20:12:30,036 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:30,037 INFO L218 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, 1] [2024-11-27 20:12:30,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:12:30,037 INFO L396 AbstractCegarLoop]: === Iteration 3 === 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)] === [2024-11-27 20:12:30,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:30,038 INFO L85 PathProgramCache]: Analyzing trace with hash -278843076, now seen corresponding path program 1 times [2024-11-27 20:12:30,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:30,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901940947] [2024-11-27 20:12:30,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:30,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:14:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:14:25,175 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:14:25,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:14:25,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901940947] [2024-11-27 20:14:25,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901940947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:14:25,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:14:25,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:14:25,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450405382] [2024-11-27 20:14:25,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:14:25,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:14:25,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:14:25,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:14:25,180 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:14:25,180 INFO L87 Difference]: Start difference. First operand 416 states and 582 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 20:14:26,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:14:26,105 INFO L93 Difference]: Finished difference Result 810 states and 1139 transitions. [2024-11-27 20:14:26,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:14:26,106 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 72 [2024-11-27 20:14:26,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:14:26,116 INFO L225 Difference]: With dead ends: 810 [2024-11-27 20:14:26,119 INFO L226 Difference]: Without dead ends: 422 [2024-11-27 20:14:26,122 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:14:26,123 INFO L435 NwaCegarLoop]: 562 mSDtfsCounter, 23 mSDsluCounter, 2781 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 3343 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:14:26,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 3343 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 20:14:26,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-27 20:14:26,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 416. [2024-11-27 20:14:26,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 242 states have (on average 1.1859504132231404) internal successors, (287), 248 states have internal predecessors, (287), 147 states have call successors, (147), 22 states have call predecessors, (147), 23 states have return successors, (148), 146 states have call predecessors, (148), 146 states have call successors, (148) [2024-11-27 20:14:26,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 582 transitions. [2024-11-27 20:14:26,166 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 582 transitions. Word has length 72 [2024-11-27 20:14:26,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:14:26,167 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 582 transitions. [2024-11-27 20:14:26,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 20:14:26,168 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 582 transitions. [2024-11-27 20:14:26,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-27 20:14:26,171 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:14:26,172 INFO L218 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, 1] [2024-11-27 20:14:26,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:14:26,172 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2024-11-27 20:14:26,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:14:26,173 INFO L85 PathProgramCache]: Analyzing trace with hash -286289928, now seen corresponding path program 1 times [2024-11-27 20:14:26,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:14:26,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89089201] [2024-11-27 20:14:26,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:14:26,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:16:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:16:14,511 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:16:14,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:16:14,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89089201] [2024-11-27 20:16:14,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89089201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:16:14,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:16:14,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:16:14,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001192202] [2024-11-27 20:16:14,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:16:14,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:16:14,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:16:14,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:16:14,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:16:14,513 INFO L87 Difference]: Start difference. First operand 416 states and 582 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 20:16:15,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:16:15,333 INFO L93 Difference]: Finished difference Result 817 states and 1193 transitions. [2024-11-27 20:16:15,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:16:15,334 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 72 [2024-11-27 20:16:15,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:16:15,340 INFO L225 Difference]: With dead ends: 817 [2024-11-27 20:16:15,340 INFO L226 Difference]: Without dead ends: 427 [2024-11-27 20:16:15,343 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:16:15,344 INFO L435 NwaCegarLoop]: 558 mSDtfsCounter, 32 mSDsluCounter, 2784 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 3342 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:16:15,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 3342 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 20:16:15,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-27 20:16:15,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 421. [2024-11-27 20:16:15,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 247 states have (on average 1.1862348178137652) internal successors, (293), 252 states have internal predecessors, (293), 147 states have call successors, (147), 23 states have call predecessors, (147), 23 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-27 20:16:15,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 586 transitions. [2024-11-27 20:16:15,379 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 586 transitions. Word has length 72 [2024-11-27 20:16:15,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:16:15,380 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 586 transitions. [2024-11-27 20:16:15,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 20:16:15,380 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 586 transitions. [2024-11-27 20:16:15,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-27 20:16:15,381 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:16:15,382 INFO L218 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, 1, 1] [2024-11-27 20:16:15,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:16:15,382 INFO L396 AbstractCegarLoop]: === Iteration 5 === 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)] === [2024-11-27 20:16:15,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:16:15,383 INFO L85 PathProgramCache]: Analyzing trace with hash -281422424, now seen corresponding path program 1 times [2024-11-27 20:16:15,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:16:15,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575385899] [2024-11-27 20:16:15,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:16:15,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:18:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:18:03,905 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:18:03,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:18:03,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575385899] [2024-11-27 20:18:03,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575385899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:18:03,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:18:03,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:18:03,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197355134] [2024-11-27 20:18:03,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:18:03,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:18:03,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:18:03,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:18:03,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:18:03,908 INFO L87 Difference]: Start difference. First operand 421 states and 586 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 20:18:04,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:18:04,784 INFO L93 Difference]: Finished difference Result 824 states and 1149 transitions. [2024-11-27 20:18:04,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:18:04,785 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 73 [2024-11-27 20:18:04,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:18:04,790 INFO L225 Difference]: With dead ends: 824 [2024-11-27 20:18:04,791 INFO L226 Difference]: Without dead ends: 429 [2024-11-27 20:18:04,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:18:04,794 INFO L435 NwaCegarLoop]: 559 mSDtfsCounter, 23 mSDsluCounter, 2215 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 2774 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:18:04,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 2774 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 20:18:04,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-27 20:18:04,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 421. [2024-11-27 20:18:04,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 247 states have (on average 1.1821862348178138) internal successors, (292), 252 states have internal predecessors, (292), 147 states have call successors, (147), 23 states have call predecessors, (147), 23 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-27 20:18:04,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 585 transitions. [2024-11-27 20:18:04,834 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 585 transitions. Word has length 73 [2024-11-27 20:18:04,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:18:04,837 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 585 transitions. [2024-11-27 20:18:04,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 20:18:04,837 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 585 transitions. [2024-11-27 20:18:04,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-27 20:18:04,839 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:18:04,839 INFO L218 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, 1, 1, 1] [2024-11-27 20:18:04,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:18:04,840 INFO L396 AbstractCegarLoop]: === Iteration 6 === 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)] === [2024-11-27 20:18:04,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:18:04,841 INFO L85 PathProgramCache]: Analyzing trace with hash -246865608, now seen corresponding path program 1 times [2024-11-27 20:18:04,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:18:04,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508134346] [2024-11-27 20:18:04,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:18:04,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:19:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:19:53,397 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:19:53,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:19:53,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508134346] [2024-11-27 20:19:53,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508134346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:19:53,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:19:53,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:19:53,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884670610] [2024-11-27 20:19:53,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:19:53,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:19:53,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:19:53,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:19:53,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:19:53,399 INFO L87 Difference]: Start difference. First operand 421 states and 585 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 20:19:54,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:19:54,284 INFO L93 Difference]: Finished difference Result 822 states and 1145 transitions. [2024-11-27 20:19:54,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:19:54,285 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 74 [2024-11-27 20:19:54,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:19:54,290 INFO L225 Difference]: With dead ends: 822 [2024-11-27 20:19:54,290 INFO L226 Difference]: Without dead ends: 427 [2024-11-27 20:19:54,293 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:19:54,294 INFO L435 NwaCegarLoop]: 560 mSDtfsCounter, 22 mSDsluCounter, 2776 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 3336 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:19:54,295 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 3336 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 20:19:54,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-27 20:19:54,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 421. [2024-11-27 20:19:54,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 247 states have (on average 1.1781376518218623) internal successors, (291), 252 states have internal predecessors, (291), 147 states have call successors, (147), 23 states have call predecessors, (147), 23 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-27 20:19:54,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 584 transitions. [2024-11-27 20:19:54,324 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 584 transitions. Word has length 74 [2024-11-27 20:19:54,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:19:54,324 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 584 transitions. [2024-11-27 20:19:54,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 20:19:54,325 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 584 transitions. [2024-11-27 20:19:54,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-27 20:19:54,330 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:19:54,330 INFO L218 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, 1, 1, 1, 1] [2024-11-27 20:19:54,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:19:54,331 INFO L396 AbstractCegarLoop]: === Iteration 7 === 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)] === [2024-11-27 20:19:54,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:19:54,331 INFO L85 PathProgramCache]: Analyzing trace with hash 938912292, now seen corresponding path program 1 times [2024-11-27 20:19:54,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:19:54,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303778996] [2024-11-27 20:19:54,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:19:54,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms