./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1/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_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:36:43,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:36:43,830 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 15:36:43,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:36:43,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:36:43,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:36:43,857 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:36:43,857 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:36:43,858 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:36:43,858 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:36:43,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:36:43,858 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:36:43,858 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:36:43,858 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:36:43,858 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:36:43,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:36:43,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:36:43,859 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:36:43,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:36:43,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:36:43,859 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:36:43,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:36:43,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:36:43,859 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:36:43,859 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:36:43,859 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:36:43,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:36:43,860 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:36:43,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:36:43,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:36:43,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:36:43,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:36:43,860 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:36:43,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:36:43,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:36:43,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:36:43,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:36:43,861 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:36:43,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:36:43,861 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:36:43,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:36:43,861 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:36:43,861 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:36:43,861 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:36:43,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:36:43,861 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 [2024-12-02 15:36:44,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:36:44,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:36:44,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:36:44,124 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:36:44,124 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:36:44,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2024-12-02 15:36:46,815 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1/data/e54a9ff8d/9857e77ec1cc421a8d7ac6a8a2aa9893/FLAG61d0777e8 [2024-12-02 15:36:47,247 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:36:47,247 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2024-12-02 15:36:47,277 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1/data/e54a9ff8d/9857e77ec1cc421a8d7ac6a8a2aa9893/FLAG61d0777e8 [2024-12-02 15:36:47,290 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1/data/e54a9ff8d/9857e77ec1cc421a8d7ac6a8a2aa9893 [2024-12-02 15:36:47,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:36:47,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:36:47,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:36:47,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:36:47,298 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:36:47,299 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:36:47" (1/1) ... [2024-12-02 15:36:47,300 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69576a48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:47, skipping insertion in model container [2024-12-02 15:36:47,300 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:36:47" (1/1) ... [2024-12-02 15:36:47,371 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:36:47,580 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4497,4510] [2024-12-02 15:36:47,586 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4557,4570] [2024-12-02 15:36:48,533 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:36:48,534 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:36:48,534 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:36:48,534 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:36:48,535 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:36:48,546 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:36:48,546 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:36:48,548 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:36:48,548 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:36:49,370 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:36:49,370 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:36:49,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:36:49,505 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:36:49,517 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4497,4510] [2024-12-02 15:36:49,518 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4557,4570] [2024-12-02 15:36:49,552 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:36:49,552 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:36:49,552 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:36:49,553 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:36:49,553 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:36:49,558 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:36:49,558 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:36:49,559 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:36:49,560 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:36:49,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-12-02 15:36:49,691 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:36:49,691 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:36:49,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2024-12-02 15:36:49,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:36:49,882 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:36:49,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:49 WrapperNode [2024-12-02 15:36:49,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:36:49,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:36:49,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:36:49,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:36:49,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:49" (1/1) ... [2024-12-02 15:36:49,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:49" (1/1) ... [2024-12-02 15:36:50,019 INFO L138 Inliner]: procedures = 684, calls = 2943, calls flagged for inlining = 61, calls inlined = 12, statements flattened = 1207 [2024-12-02 15:36:50,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:36:50,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:36:50,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:36:50,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:36:50,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:49" (1/1) ... [2024-12-02 15:36:50,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:49" (1/1) ... [2024-12-02 15:36:50,036 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:49" (1/1) ... [2024-12-02 15:36:50,123 INFO L175 MemorySlicer]: Split 617 memory accesses to 5 slices as follows [68, 2, 257, 243, 47]. 42 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [10, 2, 0, 11, 4]. The 515 writes are split as follows [4, 0, 257, 232, 22]. [2024-12-02 15:36:50,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:49" (1/1) ... [2024-12-02 15:36:50,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:49" (1/1) ... [2024-12-02 15:36:50,171 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:49" (1/1) ... [2024-12-02 15:36:50,174 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:49" (1/1) ... [2024-12-02 15:36:50,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:49" (1/1) ... [2024-12-02 15:36:50,190 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:49" (1/1) ... [2024-12-02 15:36:50,196 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:49" (1/1) ... [2024-12-02 15:36:50,209 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:36:50,210 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:36:50,210 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:36:50,211 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:36:50,212 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:49" (1/1) ... [2024-12-02 15:36:50,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:36:50,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:36:50,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:36:50,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:36:50,269 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-12-02 15:36:50,269 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-12-02 15:36:50,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 15:36:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-12-02 15:36:50,270 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-12-02 15:36:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-12-02 15:36:50,270 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-12-02 15:36:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 15:36:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 15:36:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 15:36:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 15:36:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 15:36:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 15:36:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 15:36:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 15:36:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 15:36:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 15:36:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-12-02 15:36:50,271 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-12-02 15:36:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-02 15:36:50,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-02 15:36:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 15:36:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:36:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 15:36:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 15:36:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 15:36:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 15:36:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 15:36:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-12-02 15:36:50,271 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-12-02 15:36:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:36:50,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:36:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-12-02 15:36:50,272 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-12-02 15:36:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-12-02 15:36:50,272 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-12-02 15:36:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 15:36:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 15:36:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 15:36:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 15:36:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 15:36:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-12-02 15:36:50,272 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-12-02 15:36:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:36:50,273 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:36:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-12-02 15:36:50,273 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-12-02 15:36:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 15:36:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 15:36:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 15:36:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 15:36:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 15:36:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 15:36:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 15:36:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 15:36:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 15:36:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 15:36:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 15:36:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-12-02 15:36:50,274 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-12-02 15:36:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-12-02 15:36:50,274 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-12-02 15:36:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-12-02 15:36:50,274 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-12-02 15:36:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-12-02 15:36:50,274 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-12-02 15:36:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-12-02 15:36:50,274 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-12-02 15:36:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-12-02 15:36:50,274 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-12-02 15:36:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 15:36:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 15:36:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 15:36:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 15:36:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 15:36:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-12-02 15:36:50,275 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-12-02 15:36:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-12-02 15:36:50,275 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-12-02 15:36:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-12-02 15:36:50,275 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-12-02 15:36:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-12-02 15:36:50,275 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-12-02 15:36:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:36:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 15:36:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 15:36:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 15:36:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 15:36:50,584 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:36:50,587 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:36:59,699 INFO L? ?]: Removed 224 outVars from TransFormulas that were not future-live. [2024-12-02 15:36:59,699 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:36:59,718 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:36:59,718 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-02 15:36:59,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:36:59 BoogieIcfgContainer [2024-12-02 15:36:59,718 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:36:59,721 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:36:59,721 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:36:59,726 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:36:59,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:36:47" (1/3) ... [2024-12-02 15:36:59,726 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b74455f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:36:59, skipping insertion in model container [2024-12-02 15:36:59,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:36:49" (2/3) ... [2024-12-02 15:36:59,727 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b74455f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:36:59, skipping insertion in model container [2024-12-02 15:36:59,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:36:59" (3/3) ... [2024-12-02 15:36:59,728 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness.i [2024-12-02 15:36:59,740 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:36:59,742 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_acquire_harness.i that has 22 procedures, 412 locations, 1 initial locations, 3 loop locations, and 4 error locations. [2024-12-02 15:36:59,797 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:36:59,807 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;@695b80ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:36:59,807 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-02 15:36:59,811 INFO L276 IsEmpty]: Start isEmpty. Operand has 412 states, 240 states have (on average 1.2208333333333334) internal successors, (293), 245 states have internal predecessors, (293), 146 states have call successors, (146), 21 states have call predecessors, (146), 21 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-12-02 15:36:59,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-02 15:36:59,819 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:36:59,819 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:36:59,820 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2024-12-02 15:36:59,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:36:59,824 INFO L85 PathProgramCache]: Analyzing trace with hash 863824046, now seen corresponding path program 1 times [2024-12-02 15:36:59,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:36:59,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778865935] [2024-12-02 15:36:59,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:36:59,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:38:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:38:23,214 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-12-02 15:38:23,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:38:23,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778865935] [2024-12-02 15:38:23,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778865935] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:38:23,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469872117] [2024-12-02 15:38:23,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:38:23,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:38:23,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:38:23,219 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:38:23,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:39:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:39:48,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 7590 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:39:48,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:39:49,009 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-12-02 15:39:49,009 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:39:49,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469872117] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:39:49,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:39:49,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 15:39:49,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956904357] [2024-12-02 15:39:49,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:39:49,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:39:49,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:39:49,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:39:49,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:39:49,035 INFO L87 Difference]: Start difference. First operand has 412 states, 240 states have (on average 1.2208333333333334) internal successors, (293), 245 states have internal predecessors, (293), 146 states have call successors, (146), 21 states have call predecessors, (146), 21 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 15:39:49,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:39:49,119 INFO L93 Difference]: Finished difference Result 807 states and 1260 transitions. [2024-12-02 15:39:49,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:39:49,121 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 71 [2024-12-02 15:39:49,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:39:49,134 INFO L225 Difference]: With dead ends: 807 [2024-12-02 15:39:49,134 INFO L226 Difference]: Without dead ends: 406 [2024-12-02 15:39:49,142 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:39:49,145 INFO L435 NwaCegarLoop]: 575 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:39:49,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:39:49,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-12-02 15:39:49,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2024-12-02 15:39:49,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 235 states have (on average 1.1872340425531915) internal successors, (279), 240 states have internal predecessors, (279), 146 states have call successors, (146), 21 states have call predecessors, (146), 21 states have return successors, (145), 145 states have call predecessors, (145), 145 states have call successors, (145) [2024-12-02 15:39:49,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 570 transitions. [2024-12-02 15:39:49,230 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 570 transitions. Word has length 71 [2024-12-02 15:39:49,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:39:49,231 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 570 transitions. [2024-12-02 15:39:49,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 15:39:49,232 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 570 transitions. [2024-12-02 15:39:49,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-02 15:39:49,234 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:39:49,234 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:39:49,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:39:49,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 15:39:49,435 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2024-12-02 15:39:49,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:39:49,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1106349780, now seen corresponding path program 1 times [2024-12-02 15:39:49,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:39:49,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007938465] [2024-12-02 15:39:49,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:39:49,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:41:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:41:15,132 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:41:15,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:41:15,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007938465] [2024-12-02 15:41:15,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007938465] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:41:15,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:41:15,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:41:15,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240123940] [2024-12-02 15:41:15,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:41:15,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:41:15,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:41:15,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:41:15,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:41:15,135 INFO L87 Difference]: Start difference. First operand 406 states and 570 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 15:41:15,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:41:15,557 INFO L93 Difference]: Finished difference Result 796 states and 1120 transitions. [2024-12-02 15:41:15,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:41:15,558 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 71 [2024-12-02 15:41:15,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:41:15,563 INFO L225 Difference]: With dead ends: 796 [2024-12-02 15:41:15,563 INFO L226 Difference]: Without dead ends: 418 [2024-12-02 15:41:15,566 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:41:15,566 INFO L435 NwaCegarLoop]: 565 mSDtfsCounter, 15 mSDsluCounter, 1673 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2238 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:41:15,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2238 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:41:15,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-12-02 15:41:15,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 416. [2024-12-02 15:41:15,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 242 states have (on average 1.1859504132231404) internal successors, (287), 248 states have internal predecessors, (287), 147 states have call successors, (147), 22 states have call predecessors, (147), 23 states have return successors, (148), 146 states have call predecessors, (148), 146 states have call successors, (148) [2024-12-02 15:41:15,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 582 transitions. [2024-12-02 15:41:15,600 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 582 transitions. Word has length 71 [2024-12-02 15:41:15,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:41:15,601 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 582 transitions. [2024-12-02 15:41:15,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 15:41:15,601 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 582 transitions. [2024-12-02 15:41:15,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-02 15:41:15,602 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:41:15,603 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:41:15,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:41:15,603 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2024-12-02 15:41:15,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:41:15,604 INFO L85 PathProgramCache]: Analyzing trace with hash -278843076, now seen corresponding path program 1 times [2024-12-02 15:41:15,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:41:15,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559204414] [2024-12-02 15:41:15,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:41:15,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:42:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:42:38,830 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:42:38,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:42:38,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559204414] [2024-12-02 15:42:38,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559204414] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:42:38,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:42:38,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:42:38,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392251689] [2024-12-02 15:42:38,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:42:38,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:42:38,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:42:38,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:42:38,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:42:38,832 INFO L87 Difference]: Start difference. First operand 416 states and 582 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 15:42:39,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:42:39,638 INFO L93 Difference]: Finished difference Result 810 states and 1139 transitions. [2024-12-02 15:42:39,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:42:39,638 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 72 [2024-12-02 15:42:39,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:42:39,642 INFO L225 Difference]: With dead ends: 810 [2024-12-02 15:42:39,642 INFO L226 Difference]: Without dead ends: 422 [2024-12-02 15:42:39,644 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:42:39,644 INFO L435 NwaCegarLoop]: 562 mSDtfsCounter, 23 mSDsluCounter, 2781 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 3343 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:42:39,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 3343 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:42:39,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-12-02 15:42:39,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 416. [2024-12-02 15:42:39,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 242 states have (on average 1.1859504132231404) internal successors, (287), 248 states have internal predecessors, (287), 147 states have call successors, (147), 22 states have call predecessors, (147), 23 states have return successors, (148), 146 states have call predecessors, (148), 146 states have call successors, (148) [2024-12-02 15:42:39,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 582 transitions. [2024-12-02 15:42:39,667 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 582 transitions. Word has length 72 [2024-12-02 15:42:39,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:42:39,667 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 582 transitions. [2024-12-02 15:42:39,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 15:42:39,668 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 582 transitions. [2024-12-02 15:42:39,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-02 15:42:39,668 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:42:39,669 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:42:39,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:42:39,669 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2024-12-02 15:42:39,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:42:39,670 INFO L85 PathProgramCache]: Analyzing trace with hash -286289928, now seen corresponding path program 1 times [2024-12-02 15:42:39,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:42:39,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324652392] [2024-12-02 15:42:39,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:42:39,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:43:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:43:59,386 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:43:59,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:43:59,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324652392] [2024-12-02 15:43:59,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324652392] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:43:59,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:43:59,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:43:59,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073789800] [2024-12-02 15:43:59,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:43:59,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:43:59,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:43:59,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:43:59,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:43:59,388 INFO L87 Difference]: Start difference. First operand 416 states and 582 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 15:44:00,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:44:00,012 INFO L93 Difference]: Finished difference Result 817 states and 1193 transitions. [2024-12-02 15:44:00,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:44:00,013 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 72 [2024-12-02 15:44:00,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:44:00,017 INFO L225 Difference]: With dead ends: 817 [2024-12-02 15:44:00,017 INFO L226 Difference]: Without dead ends: 427 [2024-12-02 15:44:00,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:44:00,020 INFO L435 NwaCegarLoop]: 558 mSDtfsCounter, 32 mSDsluCounter, 2784 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 3342 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:44:00,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 3342 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:44:00,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-12-02 15:44:00,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 421. [2024-12-02 15:44:00,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 247 states have (on average 1.1862348178137652) internal successors, (293), 252 states have internal predecessors, (293), 147 states have call successors, (147), 23 states have call predecessors, (147), 23 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-12-02 15:44:00,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 586 transitions. [2024-12-02 15:44:00,040 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 586 transitions. Word has length 72 [2024-12-02 15:44:00,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:44:00,040 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 586 transitions. [2024-12-02 15:44:00,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 15:44:00,040 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 586 transitions. [2024-12-02 15:44:00,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-02 15:44:00,041 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:44:00,041 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:44:00,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:44:00,042 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2024-12-02 15:44:00,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:44:00,042 INFO L85 PathProgramCache]: Analyzing trace with hash -281422424, now seen corresponding path program 1 times [2024-12-02 15:44:00,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:44:00,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28968449] [2024-12-02 15:44:00,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:44:00,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:45:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:45:20,341 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:45:20,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:45:20,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28968449] [2024-12-02 15:45:20,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28968449] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:45:20,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:45:20,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:45:20,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823355724] [2024-12-02 15:45:20,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:45:20,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:45:20,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:45:20,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:45:20,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:45:20,342 INFO L87 Difference]: Start difference. First operand 421 states and 586 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 15:45:20,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:45:20,986 INFO L93 Difference]: Finished difference Result 824 states and 1149 transitions. [2024-12-02 15:45:20,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:45:20,987 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 73 [2024-12-02 15:45:20,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:45:20,990 INFO L225 Difference]: With dead ends: 824 [2024-12-02 15:45:20,990 INFO L226 Difference]: Without dead ends: 429 [2024-12-02 15:45:20,991 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:45:20,992 INFO L435 NwaCegarLoop]: 559 mSDtfsCounter, 23 mSDsluCounter, 2215 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 2774 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:45:20,993 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 2774 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:45:20,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-12-02 15:45:21,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 421. [2024-12-02 15:45:21,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 247 states have (on average 1.1821862348178138) internal successors, (292), 252 states have internal predecessors, (292), 147 states have call successors, (147), 23 states have call predecessors, (147), 23 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-12-02 15:45:21,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 585 transitions. [2024-12-02 15:45:21,008 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 585 transitions. Word has length 73 [2024-12-02 15:45:21,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:45:21,008 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 585 transitions. [2024-12-02 15:45:21,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 15:45:21,008 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 585 transitions. [2024-12-02 15:45:21,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-02 15:45:21,009 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:45:21,009 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:45:21,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:45:21,009 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2024-12-02 15:45:21,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:45:21,010 INFO L85 PathProgramCache]: Analyzing trace with hash -246865608, now seen corresponding path program 1 times [2024-12-02 15:45:21,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:45:21,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464194333] [2024-12-02 15:45:21,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:45:21,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:46:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:46:42,674 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:46:42,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:46:42,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464194333] [2024-12-02 15:46:42,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464194333] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:46:42,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:46:42,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:46:42,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473615125] [2024-12-02 15:46:42,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:46:42,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:46:42,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:46:42,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:46:42,675 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:46:42,675 INFO L87 Difference]: Start difference. First operand 421 states and 585 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 15:46:43,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:46:43,393 INFO L93 Difference]: Finished difference Result 822 states and 1145 transitions. [2024-12-02 15:46:43,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:46:43,393 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 74 [2024-12-02 15:46:43,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:46:43,397 INFO L225 Difference]: With dead ends: 822 [2024-12-02 15:46:43,397 INFO L226 Difference]: Without dead ends: 427 [2024-12-02 15:46:43,399 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:46:43,400 INFO L435 NwaCegarLoop]: 560 mSDtfsCounter, 22 mSDsluCounter, 2776 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 3336 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:46:43,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 3336 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:46:43,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-12-02 15:46:43,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 421. [2024-12-02 15:46:43,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 247 states have (on average 1.1781376518218623) internal successors, (291), 252 states have internal predecessors, (291), 147 states have call successors, (147), 23 states have call predecessors, (147), 23 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-12-02 15:46:43,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 584 transitions. [2024-12-02 15:46:43,421 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 584 transitions. Word has length 74 [2024-12-02 15:46:43,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:46:43,421 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 584 transitions. [2024-12-02 15:46:43,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 15:46:43,421 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 584 transitions. [2024-12-02 15:46:43,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-12-02 15:46:43,422 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:46:43,422 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:46:43,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 15:46:43,423 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2024-12-02 15:46:43,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:46:43,423 INFO L85 PathProgramCache]: Analyzing trace with hash 938912292, now seen corresponding path program 1 times [2024-12-02 15:46:43,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:46:43,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668597967] [2024-12-02 15:46:43,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:46:43,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:04,438 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:48:04,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:04,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668597967] [2024-12-02 15:48:04,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668597967] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:04,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:04,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:48:04,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601763215] [2024-12-02 15:48:04,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:04,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:48:04,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:04,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:48:04,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:48:04,439 INFO L87 Difference]: Start difference. First operand 421 states and 584 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-12-02 15:48:04,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:04,535 INFO L93 Difference]: Finished difference Result 427 states and 591 transitions. [2024-12-02 15:48:04,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:48:04,535 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 75 [2024-12-02 15:48:04,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:04,539 INFO L225 Difference]: With dead ends: 427 [2024-12-02 15:48:04,540 INFO L226 Difference]: Without dead ends: 425 [2024-12-02 15:48:04,540 INFO L434 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 [2024-12-02 15:48:04,541 INFO L435 NwaCegarLoop]: 567 mSDtfsCounter, 0 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1694 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:04,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1694 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:48:04,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-12-02 15:48:04,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2024-12-02 15:48:04,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 250 states have (on average 1.172) internal successors, (293), 255 states have internal predecessors, (293), 147 states have call successors, (147), 23 states have call predecessors, (147), 24 states have return successors, (148), 147 states have call predecessors, (148), 146 states have call successors, (148) [2024-12-02 15:48:04,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 588 transitions. [2024-12-02 15:48:04,564 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 588 transitions. Word has length 75 [2024-12-02 15:48:04,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:04,564 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 588 transitions. [2024-12-02 15:48:04,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-12-02 15:48:04,564 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 588 transitions. [2024-12-02 15:48:04,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 15:48:04,566 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:04,566 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1] [2024-12-02 15:48:04,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 15:48:04,566 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2024-12-02 15:48:04,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:04,567 INFO L85 PathProgramCache]: Analyzing trace with hash 508403020, now seen corresponding path program 1 times [2024-12-02 15:48:04,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:04,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242498700] [2024-12-02 15:48:04,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:04,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:49:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:49:28,808 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-12-02 15:49:28,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:49:28,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242498700] [2024-12-02 15:49:28,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242498700] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:49:28,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259341878] [2024-12-02 15:49:28,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:28,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:49:28,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:49:28,810 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:49:28,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:50:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:50,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 7789 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 15:50:50,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:50:50,922 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-02 15:50:50,922 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:50:50,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259341878] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:50:50,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:50:50,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 13 [2024-12-02 15:50:50,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205669784] [2024-12-02 15:50:50,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:50:50,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:50:50,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:50:50,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:50:50,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:50:50,924 INFO L87 Difference]: Start difference. First operand 425 states and 588 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 15:50:51,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:51,502 INFO L93 Difference]: Finished difference Result 809 states and 1166 transitions. [2024-12-02 15:50:51,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:50:51,502 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 118 [2024-12-02 15:50:51,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:51,506 INFO L225 Difference]: With dead ends: 809 [2024-12-02 15:50:51,506 INFO L226 Difference]: Without dead ends: 437 [2024-12-02 15:50:51,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:50:51,511 INFO L435 NwaCegarLoop]: 565 mSDtfsCounter, 15 mSDsluCounter, 2239 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2804 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:51,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2804 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:50:51,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-12-02 15:50:51,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 435. [2024-12-02 15:50:51,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 257 states have (on average 1.171206225680934) internal successors, (301), 263 states have internal predecessors, (301), 148 states have call successors, (148), 24 states have call predecessors, (148), 26 states have return successors, (152), 148 states have call predecessors, (152), 147 states have call successors, (152) [2024-12-02 15:50:51,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 601 transitions. [2024-12-02 15:50:51,537 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 601 transitions. Word has length 118 [2024-12-02 15:50:51,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:51,537 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 601 transitions. [2024-12-02 15:50:51,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 15:50:51,538 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 601 transitions. [2024-12-02 15:50:51,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 15:50:51,539 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:51,539 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1] [2024-12-02 15:50:51,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 15:50:51,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c025ed-7ea6-4b91-b338-94c9823b4d1d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:50:51,740 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2024-12-02 15:50:51,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:51,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1752802178, now seen corresponding path program 1 times [2024-12-02 15:50:51,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:50:51,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077023266] [2024-12-02 15:50:51,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:51,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms