./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 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7203b3-e255-4595-9d81-2c30b81f8b66/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7203b3-e255-4595-9d81-2c30b81f8b66/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7203b3-e255-4595-9d81-2c30b81f8b66/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7203b3-e255-4595-9d81-2c30b81f8b66/bin/uautomizer-verify-4GaUIPS5ZU/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_5c7203b3-e255-4595-9d81-2c30b81f8b66/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7203b3-e255-4595-9d81-2c30b81f8b66/bin/uautomizer-verify-4GaUIPS5ZU --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 0.2.5-dev-4fc63b2 [2024-10-31 22:06:52,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:06:52,705 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7203b3-e255-4595-9d81-2c30b81f8b66/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:06:52,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:06:52,714 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:06:52,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:06:52,749 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:06:52,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:06:52,750 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:06:52,751 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:06:52,753 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:06:52,753 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:06:52,754 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:06:52,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:06:52,757 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:06:52,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:06:52,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:06:52,758 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:06:52,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:06:52,759 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:06:52,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:06:52,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:06:52,764 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:06:52,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:06:52,764 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:06:52,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:06:52,765 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:06:52,765 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:06:52,765 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:06:52,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:06:52,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:06:52,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:06:52,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:06:52,766 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:06:52,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:06:52,768 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:06:52,768 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:06:52,769 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:06:52,769 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:06:52,770 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7203b3-e255-4595-9d81-2c30b81f8b66/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7203b3-e255-4595-9d81-2c30b81f8b66/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 [2024-10-31 22:06:53,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:06:53,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:06:53,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:06:53,049 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:06:53,049 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:06:53,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7203b3-e255-4595-9d81-2c30b81f8b66/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i Unable to find full path for "g++" [2024-10-31 22:06:55,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:06:55,740 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:06:55,744 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7203b3-e255-4595-9d81-2c30b81f8b66/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2024-10-31 22:06:55,786 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7203b3-e255-4595-9d81-2c30b81f8b66/bin/uautomizer-verify-4GaUIPS5ZU/data/e538162c0/186de024e530499795bd413f524e5b1b/FLAG1e4b17422 [2024-10-31 22:06:56,251 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7203b3-e255-4595-9d81-2c30b81f8b66/bin/uautomizer-verify-4GaUIPS5ZU/data/e538162c0/186de024e530499795bd413f524e5b1b [2024-10-31 22:06:56,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:06:56,255 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:06:56,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:06:56,257 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:06:56,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:06:56,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:06:56" (1/1) ... [2024-10-31 22:06:56,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f1814d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:56, skipping insertion in model container [2024-10-31 22:06:56,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:06:56" (1/1) ... [2024-10-31 22:06:56,438 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:06:56,832 WARN L251 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_5c7203b3-e255-4595-9d81-2c30b81f8b66/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4497,4510] [2024-10-31 22:06:56,842 WARN L251 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_5c7203b3-e255-4595-9d81-2c30b81f8b66/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4557,4570] [2024-10-31 22:06:57,967 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:57,968 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:57,969 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:57,971 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:57,972 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:57,993 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:57,994 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:57,997 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:57,998 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:59,184 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:59,187 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:59,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:06:59,382 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:06:59,441 WARN L251 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_5c7203b3-e255-4595-9d81-2c30b81f8b66/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4497,4510] [2024-10-31 22:06:59,442 WARN L251 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_5c7203b3-e255-4595-9d81-2c30b81f8b66/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4557,4570] [2024-10-31 22:06:59,481 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:59,481 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:59,482 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:59,482 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:59,483 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:59,489 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:59,490 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:59,491 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:59,492 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:59,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-10-31 22:06:59,620 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:59,620 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:59,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2024-10-31 22:06:59,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:00,069 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:07:00,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:00 WrapperNode [2024-10-31 22:07:00,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:00,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:00,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:07:00,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:07:00,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:00" (1/1) ... [2024-10-31 22:07:00,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:00" (1/1) ... [2024-10-31 22:07:00,307 INFO L138 Inliner]: procedures = 684, calls = 2943, calls flagged for inlining = 61, calls inlined = 12, statements flattened = 1208 [2024-10-31 22:07:00,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:00,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:07:00,309 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:07:00,309 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:07:00,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:00" (1/1) ... [2024-10-31 22:07:00,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:00" (1/1) ... [2024-10-31 22:07:00,390 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:00" (1/1) ... [2024-10-31 22:07:00,555 INFO L175 MemorySlicer]: Split 617 memory accesses to 5 slices as follows [2, 257, 243, 47, 68]. 42 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [2, 0, 11, 4, 10]. The 515 writes are split as follows [0, 257, 232, 22, 4]. [2024-10-31 22:07:00,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:00" (1/1) ... [2024-10-31 22:07:00,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:00" (1/1) ... [2024-10-31 22:07:00,637 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:00" (1/1) ... [2024-10-31 22:07:00,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:00" (1/1) ... [2024-10-31 22:07:00,654 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:00" (1/1) ... [2024-10-31 22:07:00,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:00" (1/1) ... [2024-10-31 22:07:00,698 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:07:00,699 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:07:00,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:07:00,700 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:07:00,704 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:00" (1/1) ... [2024-10-31 22:07:00,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:07:00,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7203b3-e255-4595-9d81-2c30b81f8b66/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:00,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7203b3-e255-4595-9d81-2c30b81f8b66/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:00,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7203b3-e255-4595-9d81-2c30b81f8b66/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:07:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-10-31 22:07:00,837 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-10-31 22:07:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:07:00,838 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:07:00,838 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:07:00,838 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-10-31 22:07:00,838 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-10-31 22:07:00,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:07:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:07:00,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:07:00,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:07:00,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:07:00,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:07:00,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:07:00,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:07:00,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:07:00,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:07:00,842 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-31 22:07:00,842 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-31 22:07:00,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:07:00,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:07:00,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:07:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:07:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:07:00,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:07:00,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:07:00,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:07:00,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:07:00,845 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-10-31 22:07:00,846 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-10-31 22:07:00,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:07:00,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:07:00,846 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:07:00,846 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:07:00,846 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-31 22:07:00,847 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-31 22:07:00,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:07:00,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:07:00,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:07:00,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:07:00,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:07:00,849 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-10-31 22:07:00,849 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-10-31 22:07:00,849 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:07:00,849 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:07:00,851 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-10-31 22:07:00,851 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-10-31 22:07:00,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:07:00,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:07:00,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:07:00,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:07:00,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:07:00,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:07:00,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:07:00,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:07:00,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:07:00,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:07:00,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:07:00,854 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-10-31 22:07:00,854 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-10-31 22:07:00,854 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-10-31 22:07:00,854 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-10-31 22:07:00,854 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:07:00,854 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:07:00,855 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-10-31 22:07:00,855 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-10-31 22:07:00,855 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-10-31 22:07:00,856 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-10-31 22:07:00,856 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-10-31 22:07:00,858 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-10-31 22:07:00,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:07:00,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:07:00,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:07:00,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:07:00,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:07:00,859 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-10-31 22:07:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-10-31 22:07:00,860 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-10-31 22:07:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-10-31 22:07:00,860 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-10-31 22:07:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-10-31 22:07:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-10-31 22:07:00,861 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-10-31 22:07:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:07:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:07:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:07:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:07:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:07:01,357 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:07:01,360 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:07:13,095 INFO L? ?]: Removed 224 outVars from TransFormulas that were not future-live. [2024-10-31 22:07:13,096 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:07:13,115 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:07:13,116 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-31 22:07:13,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:13 BoogieIcfgContainer [2024-10-31 22:07:13,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:07:13,118 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:07:13,119 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:07:13,122 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:07:13,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:06:56" (1/3) ... [2024-10-31 22:07:13,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b646cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:07:13, skipping insertion in model container [2024-10-31 22:07:13,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:00" (2/3) ... [2024-10-31 22:07:13,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b646cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:07:13, skipping insertion in model container [2024-10-31 22:07:13,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:13" (3/3) ... [2024-10-31 22:07:13,125 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness.i [2024-10-31 22:07:13,147 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:07:13,148 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-31 22:07:13,249 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:07:13,255 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;@1eabbd2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:07:13,255 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-31 22:07:13,260 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) [2024-10-31 22:07:13,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-31 22:07:13,269 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:07:13,270 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:13,271 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)] === [2024-10-31 22:07:13,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:13,299 INFO L85 PathProgramCache]: Analyzing trace with hash -832162892, now seen corresponding path program 1 times [2024-10-31 22:07:13,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:13,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311724194] [2024-10-31 22:07:13,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:13,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms