./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6022aa5f-0d41-4969-8937-7db79eee16dd/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6022aa5f-0d41-4969-8937-7db79eee16dd/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6022aa5f-0d41-4969-8937-7db79eee16dd/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6022aa5f-0d41-4969-8937-7db79eee16dd/bin/uautomizer-verify-jihMAELWvX/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_6022aa5f-0d41-4969-8937-7db79eee16dd/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6022aa5f-0d41-4969-8937-7db79eee16dd/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:13:15,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:13:15,975 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6022aa5f-0d41-4969-8937-7db79eee16dd/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 19:13:15,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:13:15,987 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:13:16,032 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:13:16,032 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:13:16,033 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:13:16,035 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:13:16,037 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:13:16,038 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:13:16,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:13:16,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:13:16,040 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:13:16,044 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:13:16,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:13:16,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:13:16,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:13:16,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:13:16,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:13:16,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:13:16,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:13:16,049 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:13:16,050 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:13:16,050 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:13:16,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:13:16,051 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:13:16,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:13:16,052 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:13:16,052 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:13:16,053 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:13:16,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:13:16,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:13:16,055 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:13:16,055 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:13:16,055 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:13:16,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:13:16,056 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:13:16,056 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:13:16,057 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:13:16,057 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:13:16,057 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6022aa5f-0d41-4969-8937-7db79eee16dd/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6022aa5f-0d41-4969-8937-7db79eee16dd/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 [2024-11-08 19:13:16,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:13:16,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:13:16,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:13:16,428 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:13:16,428 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:13:16,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6022aa5f-0d41-4969-8937-7db79eee16dd/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i Unable to find full path for "g++" [2024-11-08 19:13:18,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:13:19,206 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:13:19,207 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6022aa5f-0d41-4969-8937-7db79eee16dd/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2024-11-08 19:13:19,279 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6022aa5f-0d41-4969-8937-7db79eee16dd/bin/uautomizer-verify-jihMAELWvX/data/cae84222e/306db5462cf840f999d865f9e892bd43/FLAG5071c2586 [2024-11-08 19:13:19,305 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6022aa5f-0d41-4969-8937-7db79eee16dd/bin/uautomizer-verify-jihMAELWvX/data/cae84222e/306db5462cf840f999d865f9e892bd43 [2024-11-08 19:13:19,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:13:19,312 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:13:19,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:13:19,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:13:19,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:13:19,322 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:13:19" (1/1) ... [2024-11-08 19:13:19,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d18e45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:19, skipping insertion in model container [2024-11-08 19:13:19,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:13:19" (1/1) ... [2024-11-08 19:13:19,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:13:21,422 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 19:13:21,424 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 19:13:21,425 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 19:13:21,426 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 19:13:21,428 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 19:13:21,454 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 19:13:21,455 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 19:13:21,458 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 19:13:21,459 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 19:13:22,507 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 19:13:22,508 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 19:13:22,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:13:22,785 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:13:22,894 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 19:13:22,895 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 19:13:22,895 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 19:13:22,896 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 19:13:22,897 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 19:13:22,904 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 19:13:22,905 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 19:13:22,906 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 19:13:22,907 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 19:13:23,087 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-08 19:13:23,090 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 19:13:23,091 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 19:13:23,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2024-11-08 19:13:23,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:13:23,509 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:13:23,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:23 WrapperNode [2024-11-08 19:13:23,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:13:23,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:13:23,511 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:13:23,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:13:23,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:23" (1/1) ... [2024-11-08 19:13:23,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:23" (1/1) ... [2024-11-08 19:13:23,827 INFO L138 Inliner]: procedures = 684, calls = 2945, calls flagged for inlining = 61, calls inlined = 12, statements flattened = 1209 [2024-11-08 19:13:23,827 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:13:23,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:13:23,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:13:23,828 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:13:23,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:23" (1/1) ... [2024-11-08 19:13:23,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:23" (1/1) ... [2024-11-08 19:13:23,857 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:23" (1/1) ... [2024-11-08 19:13:24,063 INFO L175 MemorySlicer]: Split 617 memory accesses to 5 slices as follows [2, 257, 47, 243, 68]. 42 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [2, 0, 4, 11, 10]. The 515 writes are split as follows [0, 257, 22, 232, 4]. [2024-11-08 19:13:24,064 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:23" (1/1) ... [2024-11-08 19:13:24,064 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:23" (1/1) ... [2024-11-08 19:13:24,126 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:23" (1/1) ... [2024-11-08 19:13:24,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:23" (1/1) ... [2024-11-08 19:13:24,147 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:23" (1/1) ... [2024-11-08 19:13:24,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:23" (1/1) ... [2024-11-08 19:13:24,172 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:13:24,173 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:13:24,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:13:24,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:13:24,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:23" (1/1) ... [2024-11-08 19:13:24,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:13:24,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6022aa5f-0d41-4969-8937-7db79eee16dd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:13:24,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6022aa5f-0d41-4969-8937-7db79eee16dd/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:13:24,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6022aa5f-0d41-4969-8937-7db79eee16dd/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:13:24,284 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-08 19:13:24,284 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-08 19:13:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:13:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-08 19:13:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-08 19:13:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-08 19:13:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-08 19:13:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-08 19:13:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-08 19:13:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-08 19:13:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-08 19:13:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-08 19:13:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 19:13:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 19:13:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 19:13:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 19:13:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 19:13:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-08 19:13:24,289 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-08 19:13:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:13:24,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:13:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 19:13:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:13:24,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-08 19:13:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-08 19:13:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-08 19:13:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-08 19:13:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-08 19:13:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-08 19:13:24,293 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-08 19:13:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:13:24,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:13:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-08 19:13:24,294 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-08 19:13:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-08 19:13:24,295 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-08 19:13:24,295 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-08 19:13:24,297 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-08 19:13:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-08 19:13:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-08 19:13:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-08 19:13:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-08 19:13:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-08 19:13:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-08 19:13:24,300 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-08 19:13:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:13:24,301 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:13:24,301 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-11-08 19:13:24,301 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-11-08 19:13:24,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 19:13:24,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-08 19:13:24,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-08 19:13:24,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-08 19:13:24,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-08 19:13:24,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-08 19:13:24,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-08 19:13:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-08 19:13:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-08 19:13:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-08 19:13:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-08 19:13:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-08 19:13:24,303 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-08 19:13:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-11-08 19:13:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-11-08 19:13:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-08 19:13:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-08 19:13:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-08 19:13:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-08 19:13:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-08 19:13:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-08 19:13:24,307 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-08 19:13:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-08 19:13:24,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 19:13:24,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 19:13:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 19:13:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 19:13:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 19:13:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-08 19:13:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-08 19:13:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-08 19:13:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-08 19:13:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-08 19:13:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-08 19:13:24,312 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-08 19:13:24,313 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-08 19:13:24,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:13:24,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 19:13:24,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 19:13:24,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 19:13:24,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 19:13:24,867 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:13:24,871 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:13:37,632 INFO L? ?]: Removed 228 outVars from TransFormulas that were not future-live. [2024-11-08 19:13:37,632 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:13:37,673 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:13:37,673 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-08 19:13:37,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:13:37 BoogieIcfgContainer [2024-11-08 19:13:37,674 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:13:37,677 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:13:37,677 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:13:37,683 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:13:37,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:13:19" (1/3) ... [2024-11-08 19:13:37,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619ad70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:13:37, skipping insertion in model container [2024-11-08 19:13:37,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:13:23" (2/3) ... [2024-11-08 19:13:37,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619ad70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:13:37, skipping insertion in model container [2024-11-08 19:13:37,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:13:37" (3/3) ... [2024-11-08 19:13:37,690 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness.i [2024-11-08 19:13:37,714 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:13:37,715 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-08 19:13:37,847 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:13:37,856 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;@2ef03a31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:13:37,856 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-08 19:13:37,864 INFO L276 IsEmpty]: Start isEmpty. Operand has 418 states, 243 states have (on average 1.2181069958847737) internal successors, (296), 248 states have internal predecessors, (296), 148 states have call successors, (148), 22 states have call predecessors, (148), 22 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-08 19:13:37,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-08 19:13:37,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:13:37,880 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:13:37,881 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 2 more)] === [2024-11-08 19:13:37,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:13:37,888 INFO L85 PathProgramCache]: Analyzing trace with hash 702763444, now seen corresponding path program 1 times [2024-11-08 19:13:37,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:13:37,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860332254] [2024-11-08 19:13:37,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:13:37,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:15:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:50,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 19:15:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:50,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 19:15:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:50,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 19:15:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:50,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:15:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:50,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 19:15:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:50,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:15:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:50,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 19:15:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:50,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:15:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:50,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:15:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:50,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 19:15:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:50,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:15:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:50,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 19:15:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:50,847 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-08 19:15:50,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:15:50,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860332254] [2024-11-08 19:15:50,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860332254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:15:50,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:15:50,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:15:50,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181704269] [2024-11-08 19:15:50,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:15:50,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:15:50,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:15:50,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:15:50,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:15:50,904 INFO L87 Difference]: Start difference. First operand has 418 states, 243 states have (on average 1.2181069958847737) internal successors, (296), 248 states have internal predecessors, (296), 148 states have call successors, (148), 22 states have call predecessors, (148), 22 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:15:55,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:15:59,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:15:59,763 INFO L93 Difference]: Finished difference Result 816 states and 1272 transitions. [2024-11-08 19:15:59,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:15:59,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (14), 3 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 [2024-11-08 19:15:59,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:15:59,782 INFO L225 Difference]: With dead ends: 816 [2024-11-08 19:15:59,782 INFO L226 Difference]: Without dead ends: 399 [2024-11-08 19:15:59,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:15:59,797 INFO L432 NwaCegarLoop]: 419 mSDtfsCounter, 144 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-11-08 19:15:59,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 574 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 291 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2024-11-08 19:15:59,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-08 19:15:59,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2024-11-08 19:15:59,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 232 states have (on average 1.1896551724137931) internal successors, (276), 237 states have internal predecessors, (276), 142 states have call successors, (142), 21 states have call predecessors, (142), 21 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2024-11-08 19:15:59,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 559 transitions. [2024-11-08 19:15:59,966 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 559 transitions. Word has length 71 [2024-11-08 19:15:59,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:15:59,968 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 559 transitions. [2024-11-08 19:15:59,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:15:59,968 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 559 transitions. [2024-11-08 19:15:59,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-08 19:15:59,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:15:59,971 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:15:59,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:15:59,972 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 2 more)] === [2024-11-08 19:15:59,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:15:59,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1267410382, now seen corresponding path program 1 times [2024-11-08 19:15:59,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:15:59,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308873732] [2024-11-08 19:15:59,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:15:59,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:18:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:05,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 19:18:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:05,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 19:18:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:05,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 19:18:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:05,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:18:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:05,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 19:18:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:05,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:18:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:05,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 19:18:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:06,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:18:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:06,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:18:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:06,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 19:18:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:06,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:18:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:06,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 19:18:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:06,503 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-08 19:18:06,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:18:06,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308873732] [2024-11-08 19:18:06,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308873732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:18:06,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:18:06,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 19:18:06,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320192827] [2024-11-08 19:18:06,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:18:06,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:18:06,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:18:06,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:18:06,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:18:06,509 INFO L87 Difference]: Start difference. First operand 399 states and 559 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:18:10,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:18:24,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:18:24,158 INFO L93 Difference]: Finished difference Result 782 states and 1098 transitions. [2024-11-08 19:18:24,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:18:24,159 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (14), 3 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 [2024-11-08 19:18:24,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:18:24,171 INFO L225 Difference]: With dead ends: 782 [2024-11-08 19:18:24,171 INFO L226 Difference]: Without dead ends: 411 [2024-11-08 19:18:24,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:18:24,178 INFO L432 NwaCegarLoop]: 403 mSDtfsCounter, 164 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 1111 mSolverCounterSat, 131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 1399 SdHoareTripleChecker+Invalid, 1243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 1111 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:18:24,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 1399 Invalid, 1243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 1111 Invalid, 1 Unknown, 0 Unchecked, 17.0s Time] [2024-11-08 19:18:24,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-08 19:18:24,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 409. [2024-11-08 19:18:24,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 239 states have (on average 1.1882845188284519) internal successors, (284), 245 states have internal predecessors, (284), 143 states have call successors, (143), 22 states have call predecessors, (143), 23 states have return successors, (144), 142 states have call predecessors, (144), 142 states have call successors, (144) [2024-11-08 19:18:24,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 571 transitions. [2024-11-08 19:18:24,262 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 571 transitions. Word has length 71 [2024-11-08 19:18:24,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:18:24,264 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 571 transitions. [2024-11-08 19:18:24,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:18:24,264 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 571 transitions. [2024-11-08 19:18:24,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 19:18:24,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:18:24,269 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:18:24,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:18:24,270 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 2 more)] === [2024-11-08 19:18:24,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:18:24,273 INFO L85 PathProgramCache]: Analyzing trace with hash -953487670, now seen corresponding path program 1 times [2024-11-08 19:18:24,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:18:24,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252699552] [2024-11-08 19:18:24,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:18:24,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:20:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:18,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 19:20:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:18,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 19:20:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:18,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 19:20:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:18,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:20:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:18,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 19:20:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:18,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:20:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:18,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 19:20:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:18,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:20:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:18,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:20:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:18,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 19:20:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:18,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:20:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:18,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 19:20:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:19,222 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-08 19:20:19,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:20:19,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252699552] [2024-11-08 19:20:19,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252699552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:20:19,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:20:19,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:20:19,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504289606] [2024-11-08 19:20:19,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:20:19,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:20:19,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:20:19,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:20:19,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:20:19,226 INFO L87 Difference]: Start difference. First operand 409 states and 571 transitions. Second operand has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:20:23,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:20:40,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:20:40,639 INFO L93 Difference]: Finished difference Result 796 states and 1117 transitions. [2024-11-08 19:20:40,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:20:40,641 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (14), 3 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 [2024-11-08 19:20:40,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:20:40,647 INFO L225 Difference]: With dead ends: 796 [2024-11-08 19:20:40,647 INFO L226 Difference]: Without dead ends: 415 [2024-11-08 19:20:40,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-08 19:20:40,652 INFO L432 NwaCegarLoop]: 403 mSDtfsCounter, 172 mSDsluCounter, 1280 mSDsCounter, 0 mSdLazyCounter, 1389 mSolverCounterSat, 134 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 1683 SdHoareTripleChecker+Invalid, 1524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 1389 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2024-11-08 19:20:40,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 1683 Invalid, 1524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 1389 Invalid, 1 Unknown, 0 Unchecked, 20.6s Time] [2024-11-08 19:20:40,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-08 19:20:40,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 409. [2024-11-08 19:20:40,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 239 states have (on average 1.1882845188284519) internal successors, (284), 245 states have internal predecessors, (284), 143 states have call successors, (143), 22 states have call predecessors, (143), 23 states have return successors, (144), 142 states have call predecessors, (144), 142 states have call successors, (144) [2024-11-08 19:20:40,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 571 transitions. [2024-11-08 19:20:40,690 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 571 transitions. Word has length 72 [2024-11-08 19:20:40,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:20:40,691 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 571 transitions. [2024-11-08 19:20:40,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:20:40,692 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 571 transitions. [2024-11-08 19:20:40,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 19:20:40,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:20:40,694 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:20:40,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 19:20:40,695 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 2 more)] === [2024-11-08 19:20:40,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:20:40,695 INFO L85 PathProgramCache]: Analyzing trace with hash 302698414, now seen corresponding path program 1 times [2024-11-08 19:20:40,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:20:40,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268862468] [2024-11-08 19:20:40,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:20:40,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:22:34,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:37,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 19:22:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:37,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 19:22:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:37,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 19:22:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:37,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:22:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:37,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 19:22:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:37,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:22:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:37,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 19:22:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:37,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:22:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:37,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:22:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:37,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 19:22:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:37,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:22:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:37,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 19:22:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:38,254 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-08 19:22:38,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:22:38,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268862468] [2024-11-08 19:22:38,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268862468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:38,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:38,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:22:38,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899308963] [2024-11-08 19:22:38,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:38,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:22:38,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:22:38,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:22:38,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:22:38,257 INFO L87 Difference]: Start difference. First operand 409 states and 571 transitions. Second operand has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:22:42,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:22:59,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:22:59,260 INFO L93 Difference]: Finished difference Result 796 states and 1117 transitions. [2024-11-08 19:22:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:22:59,261 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (14), 3 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 [2024-11-08 19:22:59,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:22:59,266 INFO L225 Difference]: With dead ends: 796 [2024-11-08 19:22:59,267 INFO L226 Difference]: Without dead ends: 415 [2024-11-08 19:22:59,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-08 19:22:59,271 INFO L432 NwaCegarLoop]: 403 mSDtfsCounter, 171 mSDsluCounter, 1280 mSDsCounter, 0 mSdLazyCounter, 1389 mSolverCounterSat, 134 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 1683 SdHoareTripleChecker+Invalid, 1524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 1389 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:22:59,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 1683 Invalid, 1524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 1389 Invalid, 1 Unknown, 0 Unchecked, 20.2s Time] [2024-11-08 19:22:59,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-08 19:22:59,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 409. [2024-11-08 19:22:59,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 239 states have (on average 1.1882845188284519) internal successors, (284), 245 states have internal predecessors, (284), 143 states have call successors, (143), 22 states have call predecessors, (143), 23 states have return successors, (144), 142 states have call predecessors, (144), 142 states have call successors, (144) [2024-11-08 19:22:59,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 571 transitions. [2024-11-08 19:22:59,319 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 571 transitions. Word has length 73 [2024-11-08 19:22:59,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:22:59,320 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 571 transitions. [2024-11-08 19:22:59,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:22:59,320 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 571 transitions. [2024-11-08 19:22:59,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 19:22:59,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:22:59,322 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:59,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 19:22:59,322 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 2 more)] === [2024-11-08 19:22:59,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:59,323 INFO L85 PathProgramCache]: Analyzing trace with hash 704277958, now seen corresponding path program 1 times [2024-11-08 19:22:59,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:22:59,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534375959] [2024-11-08 19:22:59,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:59,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:52,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 19:24:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:52,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 19:24:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:52,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 19:24:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:52,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:24:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:52,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 19:24:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:52,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:24:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:52,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 19:24:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:52,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:24:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:52,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:24:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:52,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 19:24:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:52,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:24:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:52,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 19:24:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:53,588 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-08 19:24:53,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:24:53,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534375959] [2024-11-08 19:24:53,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534375959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:24:53,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:24:53,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:24:53,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087763561] [2024-11-08 19:24:53,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:24:53,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:24:53,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:24:53,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:24:53,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:24:53,591 INFO L87 Difference]: Start difference. First operand 409 states and 571 transitions. Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:24:57,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:25:17,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:25:17,109 INFO L93 Difference]: Finished difference Result 794 states and 1113 transitions. [2024-11-08 19:25:17,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:25:17,110 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (14), 3 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 [2024-11-08 19:25:17,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:25:17,115 INFO L225 Difference]: With dead ends: 794 [2024-11-08 19:25:17,115 INFO L226 Difference]: Without dead ends: 413 [2024-11-08 19:25:17,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-08 19:25:17,119 INFO L432 NwaCegarLoop]: 403 mSDtfsCounter, 170 mSDsluCounter, 1280 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 1683 SdHoareTripleChecker+Invalid, 1524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2024-11-08 19:25:17,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 1683 Invalid, 1524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 1392 Invalid, 1 Unknown, 0 Unchecked, 22.7s Time] [2024-11-08 19:25:17,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-08 19:25:17,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 409. [2024-11-08 19:25:17,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 239 states have (on average 1.1882845188284519) internal successors, (284), 245 states have internal predecessors, (284), 143 states have call successors, (143), 22 states have call predecessors, (143), 23 states have return successors, (144), 142 states have call predecessors, (144), 142 states have call successors, (144) [2024-11-08 19:25:17,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 571 transitions. [2024-11-08 19:25:17,152 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 571 transitions. Word has length 74 [2024-11-08 19:25:17,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:25:17,153 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 571 transitions. [2024-11-08 19:25:17,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:25:17,154 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 571 transitions. [2024-11-08 19:25:17,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-08 19:25:17,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:25:17,155 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:25:17,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 19:25:17,156 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 2 more)] === [2024-11-08 19:25:17,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:25:17,157 INFO L85 PathProgramCache]: Analyzing trace with hash 382858538, now seen corresponding path program 1 times [2024-11-08 19:25:17,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:25:17,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285522956] [2024-11-08 19:25:17,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:25:17,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:26:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:00,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 19:27:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:00,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 19:27:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:00,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 19:27:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:00,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:27:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:00,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 19:27:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:00,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:27:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:00,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 19:27:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:00,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:27:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:00,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:27:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:00,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 19:27:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:00,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:27:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:00,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 19:27:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:00,853 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-08 19:27:00,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:27:00,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285522956] [2024-11-08 19:27:00,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285522956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:27:00,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:27:00,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:27:00,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139463569] [2024-11-08 19:27:00,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:27:00,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:27:00,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:27:00,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:27:00,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:27:00,856 INFO L87 Difference]: Start difference. First operand 409 states and 571 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:27:05,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:27:16,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:27:16,280 INFO L93 Difference]: Finished difference Result 417 states and 582 transitions. [2024-11-08 19:27:16,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:27:16,281 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 75 [2024-11-08 19:27:16,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:27:16,286 INFO L225 Difference]: With dead ends: 417 [2024-11-08 19:27:16,286 INFO L226 Difference]: Without dead ends: 415 [2024-11-08 19:27:16,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:27:16,288 INFO L432 NwaCegarLoop]: 403 mSDtfsCounter, 142 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 835 mSolverCounterSat, 127 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 1120 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 835 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:27:16,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 1120 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 835 Invalid, 1 Unknown, 0 Unchecked, 15.1s Time] [2024-11-08 19:27:16,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-08 19:27:16,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2024-11-08 19:27:16,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 244 states have (on average 1.1844262295081966) internal successors, (289), 249 states have internal predecessors, (289), 143 states have call successors, (143), 22 states have call predecessors, (143), 24 states have return successors, (147), 144 states have call predecessors, (147), 142 states have call successors, (147) [2024-11-08 19:27:16,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 579 transitions. [2024-11-08 19:27:16,322 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 579 transitions. Word has length 75 [2024-11-08 19:27:16,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:27:16,322 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 579 transitions. [2024-11-08 19:27:16,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:27:16,323 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 579 transitions. [2024-11-08 19:27:16,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-08 19:27:16,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:27:16,330 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:27:16,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 19:27:16,330 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 2 more)] === [2024-11-08 19:27:16,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:27:16,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1812610681, now seen corresponding path program 1 times [2024-11-08 19:27:16,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:27:16,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196584992] [2024-11-08 19:27:16,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:27:16,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms