./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '8447345c77c4cd41702c25ecfe2d3607219db9a014ac178446aa435c3dbc6c8c'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8447345c77c4cd41702c25ecfe2d3607219db9a014ac178446aa435c3dbc6c8c --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 12:01:55,654 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 12:01:55,740 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 12:01:55,749 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 12:01:55,749 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 12:01:55,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 12:01:55,783 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 12:01:55,783 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 12:01:55,784 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 12:01:55,787 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 12:01:55,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 12:01:55,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 12:01:55,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 12:01:55,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 12:01:55,788 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 12:01:55,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 12:01:55,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 12:01:55,788 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 12:01:55,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 12:01:55,789 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 12:01:55,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 12:01:55,789 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 12:01:55,789 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 12:01:55,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 12:01:55,789 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 12:01:55,789 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 12:01:55,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 12:01:55,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 12:01:55,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 12:01:55,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:01:55,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 12:01:55,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 12:01:55,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 12:01:55,789 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 12:01:55,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 12:01:55,789 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 12:01:55,789 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 12:01:55,789 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 12:01:55,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 12:01:55,790 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8447345c77c4cd41702c25ecfe2d3607219db9a014ac178446aa435c3dbc6c8c [2024-11-07 12:01:56,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 12:01:56,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 12:01:56,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 12:01:56,078 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 12:01:56,078 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 12:01:56,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i [2024-11-07 12:01:57,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 12:01:57,812 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 12:01:57,813 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i [2024-11-07 12:01:57,854 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9e0597aaf/a9f73936080044cfa0b41db4803f1125/FLAG45c556396 [2024-11-07 12:01:57,875 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9e0597aaf/a9f73936080044cfa0b41db4803f1125 [2024-11-07 12:01:57,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 12:01:57,880 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 12:01:57,881 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 12:01:57,881 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 12:01:57,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 12:01:57,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:01:57" (1/1) ... [2024-11-07 12:01:57,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79417619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:57, skipping insertion in model container [2024-11-07 12:01:57,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:01:57" (1/1) ... [2024-11-07 12:01:57,996 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 12:01:58,242 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i[4503,4516] [2024-11-07 12:01:58,251 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i[4563,4576] [2024-11-07 12:01:59,021 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:59,022 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:59,022 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:59,023 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:59,024 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:59,037 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:59,038 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:59,040 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:59,040 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:59,659 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:59,660 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:59,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:01:59,808 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 12:01:59,825 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i[4503,4516] [2024-11-07 12:01:59,826 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i[4563,4576] [2024-11-07 12:01:59,868 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:59,869 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:59,869 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:59,869 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:59,871 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:59,875 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:59,876 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:59,876 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:59,877 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:00,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-07 12:02:00,032 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:00,033 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:00,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2024-11-07 12:02:00,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:02:00,259 INFO L204 MainTranslator]: Completed translation [2024-11-07 12:02:00,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:00 WrapperNode [2024-11-07 12:02:00,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 12:02:00,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 12:02:00,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 12:02:00,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 12:02:00,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:00" (1/1) ... [2024-11-07 12:02:00,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:00" (1/1) ... [2024-11-07 12:02:00,421 INFO L138 Inliner]: procedures = 684, calls = 2931, calls flagged for inlining = 60, calls inlined = 11, statements flattened = 1229 [2024-11-07 12:02:00,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 12:02:00,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 12:02:00,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 12:02:00,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 12:02:00,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:00" (1/1) ... [2024-11-07 12:02:00,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:00" (1/1) ... [2024-11-07 12:02:00,442 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:00" (1/1) ... [2024-11-07 12:02:00,546 INFO L175 MemorySlicer]: Split 624 memory accesses to 5 slices as follows [257, 2, 54, 243, 68]. 41 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [0, 2, 4, 11, 10]. The 523 writes are split as follows [257, 0, 30, 232, 4]. [2024-11-07 12:02:00,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:00" (1/1) ... [2024-11-07 12:02:00,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:00" (1/1) ... [2024-11-07 12:02:00,590 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:00" (1/1) ... [2024-11-07 12:02:00,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:00" (1/1) ... [2024-11-07 12:02:00,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:00" (1/1) ... [2024-11-07 12:02:00,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:00" (1/1) ... [2024-11-07 12:02:00,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 12:02:00,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 12:02:00,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 12:02:00,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 12:02:00,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:00" (1/1) ... [2024-11-07 12:02:00,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:02:00,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:02:00,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 12:02:00,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 12:02:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-07 12:02:00,716 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-07 12:02:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 12:02:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 12:02:00,717 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 12:02:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-07 12:02:00,717 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-07 12:02:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 12:02:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 12:02:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 12:02:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 12:02:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 12:02:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 12:02:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 12:02:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 12:02:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 12:02:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 12:02:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-07 12:02:00,718 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-07 12:02:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 12:02:00,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 12:02:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 12:02:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 12:02:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 12:02:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 12:02:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 12:02:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 12:02:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 12:02:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-07 12:02:00,719 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-07 12:02:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 12:02:00,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 12:02:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 12:02:00,719 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 12:02:00,720 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-07 12:02:00,720 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-07 12:02:00,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 12:02:00,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 12:02:00,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 12:02:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 12:02:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 12:02:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-07 12:02:00,721 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-07 12:02:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 12:02:00,721 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 12:02:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-11-07 12:02:00,721 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-11-07 12:02:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 12:02:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 12:02:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 12:02:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 12:02:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 12:02:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 12:02:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 12:02:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 12:02:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 12:02:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 12:02:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 12:02:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-07 12:02:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-07 12:02:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-11-07 12:02:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-11-07 12:02:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 12:02:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 12:02:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-07 12:02:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-07 12:02:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-07 12:02:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-07 12:02:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 12:02:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 12:02:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 12:02:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 12:02:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 12:02:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 12:02:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 12:02:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-07 12:02:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-07 12:02:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-07 12:02:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-07 12:02:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-07 12:02:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-07 12:02:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-07 12:02:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-07 12:02:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 12:02:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 12:02:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 12:02:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 12:02:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 12:02:00,986 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 12:02:00,987 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 12:02:11,002 INFO L? ?]: Removed 227 outVars from TransFormulas that were not future-live. [2024-11-07 12:02:11,002 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 12:02:11,018 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 12:02:11,019 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 12:02:11,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:02:11 BoogieIcfgContainer [2024-11-07 12:02:11,020 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 12:02:11,022 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 12:02:11,022 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 12:02:11,027 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 12:02:11,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:01:57" (1/3) ... [2024-11-07 12:02:11,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e41cc40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:02:11, skipping insertion in model container [2024-11-07 12:02:11,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:00" (2/3) ... [2024-11-07 12:02:11,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e41cc40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:02:11, skipping insertion in model container [2024-11-07 12:02:11,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:02:11" (3/3) ... [2024-11-07 12:02:11,030 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_up_to_harness.i [2024-11-07 12:02:11,044 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 12:02:11,045 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-07 12:02:11,109 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 12:02:11,124 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;@1ced0de0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 12:02:11,125 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-07 12:02:11,131 INFO L276 IsEmpty]: Start isEmpty. Operand has 426 states, 241 states have (on average 1.2157676348547717) internal successors, (293), 245 states have internal predecessors, (293), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2024-11-07 12:02:11,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-07 12:02:11,140 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:02:11,141 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:02:11,141 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2024-11-07 12:02:11,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:02:11,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1254000177, now seen corresponding path program 1 times [2024-11-07 12:02:11,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:02:11,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965530900] [2024-11-07 12:02:11,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:02:11,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:03:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:23,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:03:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:23,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 12:03:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:23,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:03:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:23,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:03:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:23,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 12:03:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:23,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 12:03:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:23,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 12:03:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:23,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:03:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:23,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 12:03:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:23,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 12:03:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:23,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 12:03:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:23,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-07 12:03:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:23,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 12:03:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:23,435 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-07 12:03:23,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:03:23,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965530900] [2024-11-07 12:03:23,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965530900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:03:23,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:03:23,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 12:03:23,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377869986] [2024-11-07 12:03:23,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:03:23,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:03:23,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:03:23,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:03:23,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:03:23,460 INFO L87 Difference]: Start difference. First operand has 426 states, 241 states have (on average 1.2157676348547717) internal successors, (293), 245 states have internal predecessors, (293), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 12:03:27,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:03:33,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:03:33,558 INFO L93 Difference]: Finished difference Result 833 states and 1316 transitions. [2024-11-07 12:03:33,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:03:33,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 76 [2024-11-07 12:03:33,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:03:33,571 INFO L225 Difference]: With dead ends: 833 [2024-11-07 12:03:33,571 INFO L226 Difference]: Without dead ends: 420 [2024-11-07 12:03:33,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:03:33,581 INFO L432 NwaCegarLoop]: 443 mSDtfsCounter, 144 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 144 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-07 12:03:33,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 598 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 302 Invalid, 1 Unknown, 0 Unchecked, 9.9s Time] [2024-11-07 12:03:33,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-07 12:03:33,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2024-11-07 12:03:33,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 236 states have (on average 1.1906779661016949) internal successors, (281), 240 states have internal predecessors, (281), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-07 12:03:33,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 598 transitions. [2024-11-07 12:03:33,649 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 598 transitions. Word has length 76 [2024-11-07 12:03:33,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:03:33,650 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 598 transitions. [2024-11-07 12:03:33,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 12:03:33,651 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 598 transitions. [2024-11-07 12:03:33,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-07 12:03:33,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:03:33,653 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:03:33,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 12:03:33,653 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2024-11-07 12:03:33,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:03:33,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1070793293, now seen corresponding path program 1 times [2024-11-07 12:03:33,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:03:33,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338684074] [2024-11-07 12:03:33,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:03:33,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms