./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_843678d8-3fa2-4e0e-a22c-77a1c91d0772/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843678d8-3fa2-4e0e-a22c-77a1c91d0772/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843678d8-3fa2-4e0e-a22c-77a1c91d0772/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843678d8-3fa2-4e0e-a22c-77a1c91d0772/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.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_843678d8-3fa2-4e0e-a22c-77a1c91d0772/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843678d8-3fa2-4e0e-a22c-77a1c91d0772/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:03:02,459 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:03:02,593 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843678d8-3fa2-4e0e-a22c-77a1c91d0772/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-09 06:03:02,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:03:02,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:03:02,635 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:03:02,636 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:03:02,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:03:02,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:03:02,638 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:03:02,639 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:03:02,639 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:03:02,640 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:03:02,640 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:03:02,641 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:03:02,641 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:03:02,642 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:03:02,643 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:03:02,643 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:03:02,644 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:03:02,644 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:03:02,645 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:03:02,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:03:02,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:03:02,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:03:02,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:03:02,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:03:02,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:03:02,650 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:03:02,651 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:03:02,651 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 06:03:02,652 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:03:02,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:03:02,653 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:03:02,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:03:02,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:03:02,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:03:02,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:03:02,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:03:02,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:03:02,657 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:03:02,657 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:03:02,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:03:02,658 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:03:02,659 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:03:02,659 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:03:02,660 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_843678d8-3fa2-4e0e-a22c-77a1c91d0772/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843678d8-3fa2-4e0e-a22c-77a1c91d0772/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 [2024-11-09 06:03:02,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:03:03,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:03:03,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:03:03,025 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:03:03,026 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:03:03,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843678d8-3fa2-4e0e-a22c-77a1c91d0772/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i Unable to find full path for "g++" [2024-11-09 06:03:05,665 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:03:06,333 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:03:06,334 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843678d8-3fa2-4e0e-a22c-77a1c91d0772/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2024-11-09 06:03:06,389 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843678d8-3fa2-4e0e-a22c-77a1c91d0772/bin/utaipan-verify-YMUCfTKeje/data/62e338822/d3ceb16b505346c489a78ebab9725b01/FLAGfac55f22c [2024-11-09 06:03:06,412 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843678d8-3fa2-4e0e-a22c-77a1c91d0772/bin/utaipan-verify-YMUCfTKeje/data/62e338822/d3ceb16b505346c489a78ebab9725b01 [2024-11-09 06:03:06,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:03:06,420 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:03:06,422 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:03:06,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:03:06,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:03:06,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:03:06" (1/1) ... [2024-11-09 06:03:06,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45026d1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:06, skipping insertion in model container [2024-11-09 06:03:06,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:03:06" (1/1) ... [2024-11-09 06:03:06,604 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:03:08,568 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:03:08,569 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:03:08,570 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:03:08,571 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:03:08,572 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:03:08,591 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:03:08,592 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:03:08,595 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:03:08,596 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:03:09,702 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:03:09,703 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:03:09,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:03:09,905 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:03:10,003 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:03:10,004 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:03:10,004 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:03:10,005 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:03:10,006 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:03:10,021 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:03:10,022 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:03:10,024 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:03:10,024 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:03:10,260 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-09 06:03:10,262 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:03:10,263 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 06:03:10,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2024-11-09 06:03:10,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:03:10,702 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:03:10,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:10 WrapperNode [2024-11-09 06:03:10,703 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:03:10,704 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:03:10,704 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:03:10,704 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:03:10,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:10" (1/1) ... [2024-11-09 06:03:10,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:10" (1/1) ... [2024-11-09 06:03:10,982 INFO L138 Inliner]: procedures = 684, calls = 2945, calls flagged for inlining = 61, calls inlined = 12, statements flattened = 1209 [2024-11-09 06:03:10,987 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:03:10,988 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:03:10,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:03:10,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:03:11,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:10" (1/1) ... [2024-11-09 06:03:11,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:10" (1/1) ... [2024-11-09 06:03:11,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:10" (1/1) ... [2024-11-09 06:03:11,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:10" (1/1) ... [2024-11-09 06:03:11,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:10" (1/1) ... [2024-11-09 06:03:11,123 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:10" (1/1) ... [2024-11-09 06:03:11,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:10" (1/1) ... [2024-11-09 06:03:11,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:10" (1/1) ... [2024-11-09 06:03:11,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:03:11,202 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:03:11,202 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:03:11,202 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:03:11,203 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:10" (1/1) ... [2024-11-09 06:03:11,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:03:11,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843678d8-3fa2-4e0e-a22c-77a1c91d0772/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:03:11,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843678d8-3fa2-4e0e-a22c-77a1c91d0772/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:03:11,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843678d8-3fa2-4e0e-a22c-77a1c91d0772/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:03:11,322 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 06:03:11,322 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 06:03:11,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:03:11,323 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 06:03:11,323 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 06:03:11,323 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-09 06:03:11,324 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-09 06:03:11,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 06:03:11,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:03:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 06:03:11,326 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 06:03:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 06:03:11,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 06:03:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:03:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:03:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:03:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-09 06:03:11,327 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-09 06:03:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:03:11,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:03:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-09 06:03:11,328 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-09 06:03:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 06:03:11,329 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 06:03:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-09 06:03:11,329 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-09 06:03:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 06:03:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-09 06:03:11,330 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-09 06:03:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:03:11,330 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:03:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-11-09 06:03:11,331 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-11-09 06:03:11,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:03:11,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:03:11,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 06:03:11,331 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-09 06:03:11,331 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-09 06:03:11,332 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-11-09 06:03:11,332 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-11-09 06:03:11,332 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 06:03:11,332 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 06:03:11,332 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-09 06:03:11,332 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-09 06:03:11,332 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-09 06:03:11,333 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-09 06:03:11,333 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 06:03:11,333 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 06:03:11,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:03:11,333 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-09 06:03:11,333 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-09 06:03:11,333 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-09 06:03:11,334 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-09 06:03:11,337 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-09 06:03:11,337 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-09 06:03:11,338 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-09 06:03:11,338 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-09 06:03:11,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:03:11,939 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:03:11,943 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:03:22,293 INFO L? ?]: Removed 228 outVars from TransFormulas that were not future-live. [2024-11-09 06:03:22,294 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:03:23,494 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:03:23,495 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 06:03:23,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:03:23 BoogieIcfgContainer [2024-11-09 06:03:23,496 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:03:23,500 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:03:23,500 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:03:23,506 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:03:23,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:03:06" (1/3) ... [2024-11-09 06:03:23,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20347561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:03:23, skipping insertion in model container [2024-11-09 06:03:23,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:10" (2/3) ... [2024-11-09 06:03:23,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20347561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:03:23, skipping insertion in model container [2024-11-09 06:03:23,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:03:23" (3/3) ... [2024-11-09 06:03:23,514 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness.i [2024-11-09 06:03:23,543 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:03:23,543 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 06:03:23,679 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:03:23,691 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=FINITE_AUTOMATA, 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;@61916863, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:03:23,693 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-09 06:03:23,700 INFO L276 IsEmpty]: Start isEmpty. Operand has 353 states, 178 states have (on average 1.196629213483146) internal successors, (213), 183 states have internal predecessors, (213), 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) [2024-11-09 06:03:23,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 06:03:23,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:03:23,717 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 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] [2024-11-09 06:03:23,717 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)] === [2024-11-09 06:03:23,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:03:23,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1135830962, now seen corresponding path program 1 times [2024-11-09 06:03:23,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:03:23,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678808596] [2024-11-09 06:03:23,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:03:23,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:05:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:05:33,723 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 06:05:33,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:05:33,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678808596] [2024-11-09 06:05:33,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678808596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:05:33,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:05:33,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 06:05:33,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876514299] [2024-11-09 06:05:33,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:05:33,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:05:33,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:05:33,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:05:33,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:05:33,781 INFO L87 Difference]: Start difference. First operand has 353 states, 178 states have (on average 1.196629213483146) internal successors, (213), 183 states have internal predecessors, (213), 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 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 06:05:36,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:05:38,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:05:40,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:05:43,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:05:45,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:05:47,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:05:47,545 INFO L93 Difference]: Finished difference Result 688 states and 1097 transitions. [2024-11-09 06:05:47,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:05:47,549 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 56 [2024-11-09 06:05:47,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:05:47,564 INFO L225 Difference]: With dead ends: 688 [2024-11-09 06:05:47,564 INFO L226 Difference]: Without dead ends: 348 [2024-11-09 06:05:47,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:05:47,577 INFO L432 NwaCegarLoop]: 465 mSDtfsCounter, 11 mSDsluCounter, 1373 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1838 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:05:47,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1838 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 150 Invalid, 5 Unknown, 0 Unchecked, 13.5s Time] [2024-11-09 06:05:47,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-09 06:05:47,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 346. [2024-11-09 06:05:47,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 176 states have (on average 1.1590909090909092) internal successors, (204), 182 states have internal predecessors, (204), 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) [2024-11-09 06:05:47,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 491 transitions. [2024-11-09 06:05:47,687 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 491 transitions. Word has length 56 [2024-11-09 06:05:47,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:05:47,688 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 491 transitions. [2024-11-09 06:05:47,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 06:05:47,689 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 491 transitions. [2024-11-09 06:05:47,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 06:05:47,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:05:47,692 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 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] [2024-11-09 06:05:47,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:05:47,693 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)] === [2024-11-09 06:05:47,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:05:47,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1109464178, now seen corresponding path program 1 times [2024-11-09 06:05:47,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:05:47,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004869588] [2024-11-09 06:05:47,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:05:47,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:07:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:07:42,781 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 06:07:42,782 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:07:42,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004869588] [2024-11-09 06:07:42,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004869588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:07:42,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:07:42,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 06:07:42,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850920010] [2024-11-09 06:07:42,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:07:42,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:07:42,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:07:42,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:07:42,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:07:42,793 INFO L87 Difference]: Start difference. First operand 346 states and 491 transitions. Second operand has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 06:07:45,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:07:47,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:07:49,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:07:52,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:07:54,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:07:56,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:07:59,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:07:59,537 INFO L93 Difference]: Finished difference Result 673 states and 960 transitions. [2024-11-09 06:07:59,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:07:59,539 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 57 [2024-11-09 06:07:59,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:07:59,545 INFO L225 Difference]: With dead ends: 673 [2024-11-09 06:07:59,545 INFO L226 Difference]: Without dead ends: 352 [2024-11-09 06:07:59,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-09 06:07:59,550 INFO L432 NwaCegarLoop]: 446 mSDtfsCounter, 19 mSDsluCounter, 2202 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 4 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 2648 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:07:59,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 2648 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 235 Invalid, 6 Unknown, 0 Unchecked, 16.4s Time] [2024-11-09 06:07:59,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-09 06:07:59,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 346. [2024-11-09 06:07:59,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 176 states have (on average 1.1590909090909092) internal successors, (204), 182 states have internal predecessors, (204), 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) [2024-11-09 06:07:59,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 491 transitions. [2024-11-09 06:07:59,650 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 491 transitions. Word has length 57 [2024-11-09 06:07:59,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:07:59,654 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 491 transitions. [2024-11-09 06:07:59,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 06:07:59,655 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 491 transitions. [2024-11-09 06:07:59,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 06:07:59,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:07:59,657 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 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] [2024-11-09 06:07:59,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:07:59,657 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)] === [2024-11-09 06:07:59,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:07:59,662 INFO L85 PathProgramCache]: Analyzing trace with hash -177577270, now seen corresponding path program 1 times [2024-11-09 06:07:59,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:07:59,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247573802] [2024-11-09 06:07:59,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:07:59,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:10:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:10:11,475 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 06:10:11,476 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:10:11,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247573802] [2024-11-09 06:10:11,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247573802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:10:11,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:10:11,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 06:10:11,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69012199] [2024-11-09 06:10:11,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:10:11,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:10:11,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:10:11,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:10:11,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:10:11,480 INFO L87 Difference]: Start difference. First operand 346 states and 491 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 06:10:13,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:10:15,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:10:18,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:10:20,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:10:22,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:10:25,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:10:27,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:10:27,700 INFO L93 Difference]: Finished difference Result 673 states and 960 transitions. [2024-11-09 06:10:27,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:10:27,701 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 58 [2024-11-09 06:10:27,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:10:27,711 INFO L225 Difference]: With dead ends: 673 [2024-11-09 06:10:27,711 INFO L226 Difference]: Without dead ends: 352 [2024-11-09 06:10:27,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-09 06:10:27,718 INFO L432 NwaCegarLoop]: 446 mSDtfsCounter, 18 mSDsluCounter, 1760 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 4 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2206 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2024-11-09 06:10:27,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2206 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 197 Invalid, 6 Unknown, 0 Unchecked, 15.9s Time] [2024-11-09 06:10:27,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-09 06:10:27,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 346. [2024-11-09 06:10:27,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 176 states have (on average 1.1590909090909092) internal successors, (204), 182 states have internal predecessors, (204), 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) [2024-11-09 06:10:27,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 491 transitions. [2024-11-09 06:10:27,787 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 491 transitions. Word has length 58 [2024-11-09 06:10:27,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:10:27,788 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 491 transitions. [2024-11-09 06:10:27,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 06:10:27,789 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 491 transitions. [2024-11-09 06:10:27,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 06:10:27,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:10:27,793 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 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] [2024-11-09 06:10:27,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:10:27,794 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)] === [2024-11-09 06:10:27,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:10:27,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1239337590, now seen corresponding path program 1 times [2024-11-09 06:10:27,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:10:27,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698645679] [2024-11-09 06:10:27,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:10:27,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:12:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:12:41,243 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 06:12:41,243 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:12:41,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698645679] [2024-11-09 06:12:41,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698645679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:12:41,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:12:41,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 06:12:41,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674208932] [2024-11-09 06:12:41,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:12:41,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:12:41,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:12:41,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:12:41,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:12:41,246 INFO L87 Difference]: Start difference. First operand 346 states and 491 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 06:12:43,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:12:45,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:12:48,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:12:50,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:12:52,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:12:55,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:12:58,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:12:58,020 INFO L93 Difference]: Finished difference Result 671 states and 956 transitions. [2024-11-09 06:12:58,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:12:58,021 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 59 [2024-11-09 06:12:58,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:12:58,026 INFO L225 Difference]: With dead ends: 671 [2024-11-09 06:12:58,026 INFO L226 Difference]: Without dead ends: 350 [2024-11-09 06:12:58,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-09 06:12:58,029 INFO L432 NwaCegarLoop]: 447 mSDtfsCounter, 17 mSDsluCounter, 2205 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2652 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:12:58,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2652 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 235 Invalid, 6 Unknown, 0 Unchecked, 16.5s Time] [2024-11-09 06:12:58,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-09 06:12:58,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 346. [2024-11-09 06:12:58,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 176 states have (on average 1.1590909090909092) internal successors, (204), 182 states have internal predecessors, (204), 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) [2024-11-09 06:12:58,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 491 transitions. [2024-11-09 06:12:58,058 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 491 transitions. Word has length 59 [2024-11-09 06:12:58,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:12:58,059 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 491 transitions. [2024-11-09 06:12:58,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 06:12:58,059 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 491 transitions. [2024-11-09 06:12:58,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 06:12:58,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:12:58,061 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 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] [2024-11-09 06:12:58,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:12:58,062 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)] === [2024-11-09 06:12:58,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:12:58,062 INFO L85 PathProgramCache]: Analyzing trace with hash 320347462, now seen corresponding path program 1 times [2024-11-09 06:12:58,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:12:58,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585290814] [2024-11-09 06:12:58,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:12:58,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:14:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:14:59,453 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 06:14:59,454 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:14:59,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585290814] [2024-11-09 06:14:59,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585290814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:14:59,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:14:59,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:14:59,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290015555] [2024-11-09 06:14:59,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:14:59,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:14:59,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:14:59,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:14:59,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:14:59,457 INFO L87 Difference]: Start difference. First operand 346 states and 491 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-09 06:15:01,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:15:04,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:15:06,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:15:07,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:15:07,736 INFO L93 Difference]: Finished difference Result 354 states and 502 transitions. [2024-11-09 06:15:07,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:15:07,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (14), 1 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 60 [2024-11-09 06:15:07,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:15:07,742 INFO L225 Difference]: With dead ends: 354 [2024-11-09 06:15:07,743 INFO L226 Difference]: Without dead ends: 352 [2024-11-09 06:15:07,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:15:07,744 INFO L432 NwaCegarLoop]: 455 mSDtfsCounter, 0 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1358 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:15:07,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1358 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 3 Unknown, 0 Unchecked, 8.2s Time] [2024-11-09 06:15:07,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-09 06:15:07,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2024-11-09 06:15:07,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 181 states have (on average 1.1546961325966851) internal successors, (209), 186 states have internal predecessors, (209), 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) [2024-11-09 06:15:07,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 499 transitions. [2024-11-09 06:15:07,773 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 499 transitions. Word has length 60 [2024-11-09 06:15:07,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:15:07,774 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 499 transitions. [2024-11-09 06:15:07,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-09 06:15:07,774 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 499 transitions. [2024-11-09 06:15:07,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 06:15:07,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:15:07,776 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 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] [2024-11-09 06:15:07,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:15:07,777 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)] === [2024-11-09 06:15:07,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:15:07,777 INFO L85 PathProgramCache]: Analyzing trace with hash 164708003, now seen corresponding path program 1 times [2024-11-09 06:15:07,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:15:07,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138309853] [2024-11-09 06:15:07,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:15:07,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:17:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:17:02,736 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 06:17:02,737 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:17:02,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138309853] [2024-11-09 06:17:02,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138309853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:17:02,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:17:02,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:17:02,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755230341] [2024-11-09 06:17:02,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:17:02,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:17:02,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:17:02,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:17:02,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:17:02,741 INFO L87 Difference]: Start difference. First operand 352 states and 499 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-09 06:17:04,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:07,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:08,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:17:08,334 INFO L93 Difference]: Finished difference Result 674 states and 1006 transitions. [2024-11-09 06:17:08,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:17:08,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (14), 1 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 62 [2024-11-09 06:17:08,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:17:08,339 INFO L225 Difference]: With dead ends: 674 [2024-11-09 06:17:08,340 INFO L226 Difference]: Without dead ends: 346 [2024-11-09 06:17:08,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:17:08,345 INFO L432 NwaCegarLoop]: 452 mSDtfsCounter, 0 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-09 06:17:08,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 893 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2024-11-09 06:17:08,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-09 06:17:08,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2024-11-09 06:17:08,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 176 states have (on average 1.1477272727272727) internal successors, (202), 181 states have internal predecessors, (202), 143 states have call successors, (143), 22 states have call predecessors, (143), 23 states have return successors, (144), 143 states have call predecessors, (144), 142 states have call successors, (144) [2024-11-09 06:17:08,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 489 transitions. [2024-11-09 06:17:08,379 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 489 transitions. Word has length 62 [2024-11-09 06:17:08,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:17:08,381 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 489 transitions. [2024-11-09 06:17:08,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-09 06:17:08,382 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 489 transitions. [2024-11-09 06:17:08,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-09 06:17:08,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:17:08,386 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 06:17:08,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:17:08,387 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 2 more)] === [2024-11-09 06:17:08,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:17:08,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1729380413, now seen corresponding path program 1 times [2024-11-09 06:17:08,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:17:08,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970196256] [2024-11-09 06:17:08,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:17:08,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms