./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness_negated.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_cac1d59c-78cb-4f02-bf4e-4e10e227879a/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1d59c-78cb-4f02-bf4e-4e10e227879a/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1d59c-78cb-4f02-bf4e-4e10e227879a/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1d59c-78cb-4f02-bf4e-4e10e227879a/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1d59c-78cb-4f02-bf4e-4e10e227879a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1d59c-78cb-4f02-bf4e-4e10e227879a/bin/utaipan-verify-DbMuA5NWw2 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8d16217b02ecd6e481b32d24ab08e27bf0c28fb8762abe433cdf4ba726b5e322 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:34:42,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:34:42,609 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1d59c-78cb-4f02-bf4e-4e10e227879a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:34:42,618 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:34:42,620 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:34:42,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:34:42,657 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:34:42,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:34:42,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:34:42,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:34:42,662 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:34:42,663 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:34:42,663 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:34:42,664 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:34:42,664 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:34:42,668 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:34:42,668 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:34:42,669 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:34:42,669 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:34:42,669 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:34:42,670 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:34:42,671 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:34:42,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:34:42,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:34:42,673 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:34:42,673 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:34:42,674 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:34:42,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:34:42,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:34:42,686 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:34:42,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:34:42,687 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:34:42,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:34:42,687 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:34:42,688 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:34:42,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:34:42,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:34:42,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:34:42,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:34:42,692 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:34:42,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:34:42,693 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:34:42,693 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:34:42,693 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:34:42,694 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1d59c-78cb-4f02-bf4e-4e10e227879a/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1d59c-78cb-4f02-bf4e-4e10e227879a/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d16217b02ecd6e481b32d24ab08e27bf0c28fb8762abe433cdf4ba726b5e322 [2024-11-02 12:34:43,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:34:43,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:34:43,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:34:43,059 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:34:43,060 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:34:43,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1d59c-78cb-4f02-bf4e-4e10e227879a/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness_negated.i Unable to find full path for "g++" [2024-11-02 12:34:44,974 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:34:45,564 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:34:45,566 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1d59c-78cb-4f02-bf4e-4e10e227879a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness_negated.i [2024-11-02 12:34:45,612 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1d59c-78cb-4f02-bf4e-4e10e227879a/bin/utaipan-verify-DbMuA5NWw2/data/a18fbe966/6d92b4c227e6486796edfb44ade4704a/FLAGae8019989 [2024-11-02 12:34:45,632 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1d59c-78cb-4f02-bf4e-4e10e227879a/bin/utaipan-verify-DbMuA5NWw2/data/a18fbe966/6d92b4c227e6486796edfb44ade4704a [2024-11-02 12:34:45,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:34:45,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:34:45,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:34:45,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:34:45,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:34:45,651 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:34:45" (1/1) ... [2024-11-02 12:34:45,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a3dab7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:45, skipping insertion in model container [2024-11-02 12:34:45,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:34:45" (1/1) ... [2024-11-02 12:34:45,802 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:34:46,135 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_cac1d59c-78cb-4f02-bf4e-4e10e227879a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness_negated.i[4497,4510] [2024-11-02 12:34:46,144 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_cac1d59c-78cb-4f02-bf4e-4e10e227879a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness_negated.i[4557,4570] [2024-11-02 12:34:47,401 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:47,405 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:47,406 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:47,407 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:47,409 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:47,435 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:47,436 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:47,439 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:47,440 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:48,511 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:48,512 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:48,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:34:48,740 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:34:48,759 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_cac1d59c-78cb-4f02-bf4e-4e10e227879a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness_negated.i[4497,4510] [2024-11-02 12:34:48,763 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_cac1d59c-78cb-4f02-bf4e-4e10e227879a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness_negated.i[4557,4570] [2024-11-02 12:34:48,828 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:48,828 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:48,829 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:48,829 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:48,830 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:48,841 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:48,841 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:48,843 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:48,844 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:49,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-02 12:34:49,032 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:49,033 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:49,109 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8963-8974] [2024-11-02 12:34:49,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:34:49,343 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:34:49,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:49 WrapperNode [2024-11-02 12:34:49,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:34:49,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:34:49,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:34:49,345 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:34:49,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:49" (1/1) ... [2024-11-02 12:34:49,528 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:49" (1/1) ... [2024-11-02 12:34:49,654 INFO L138 Inliner]: procedures = 684, calls = 2948, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 1031 [2024-11-02 12:34:49,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:34:49,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:34:49,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:34:49,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:34:49,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:49" (1/1) ... [2024-11-02 12:34:49,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:49" (1/1) ... [2024-11-02 12:34:49,688 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:49" (1/1) ... [2024-11-02 12:34:49,689 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:49" (1/1) ... [2024-11-02 12:34:49,766 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:49" (1/1) ... [2024-11-02 12:34:49,776 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:49" (1/1) ... [2024-11-02 12:34:49,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:49" (1/1) ... [2024-11-02 12:34:49,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:49" (1/1) ... [2024-11-02 12:34:49,826 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:34:49,827 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:34:49,827 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:34:49,827 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:34:49,828 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:49" (1/1) ... [2024-11-02 12:34:49,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:34:49,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1d59c-78cb-4f02-bf4e-4e10e227879a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:34:49,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1d59c-78cb-4f02-bf4e-4e10e227879a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:34:49,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1d59c-78cb-4f02-bf4e-4e10e227879a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:34:49,907 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-02 12:34:49,907 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-02 12:34:49,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:34:49,908 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:34:49,908 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:34:49,909 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-02 12:34:49,909 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-02 12:34:49,909 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2024-11-02 12:34:49,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2024-11-02 12:34:49,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:34:49,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:34:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure is_empty_state [2024-11-02 12:34:49,911 INFO L138 BoogieDeclarations]: Found implementation of procedure is_empty_state [2024-11-02 12:34:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:34:49,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:34:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:34:49,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:34:49,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:34:49,913 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-02 12:34:49,913 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-02 12:34:49,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:34:49,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:34:49,913 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:34:49,913 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:34:49,914 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-02 12:34:49,914 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-02 12:34:49,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:34:49,914 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-02 12:34:49,914 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-02 12:34:49,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-02 12:34:49,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-02 12:34:49,915 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:34:49,915 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:34:49,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:34:49,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:34:49,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:34:49,916 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-02 12:34:49,916 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-02 12:34:49,917 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 12:34:49,917 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 12:34:49,917 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-02 12:34:49,917 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-02 12:34:49,917 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-02 12:34:49,917 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-02 12:34:49,918 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-02 12:34:49,918 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-02 12:34:49,918 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-02 12:34:49,919 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-02 12:34:49,919 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-02 12:34:49,919 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-02 12:34:49,919 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-02 12:34:49,919 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-02 12:34:49,919 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-02 12:34:49,920 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-02 12:34:49,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:34:50,317 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:34:50,320 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:34:59,087 INFO L? ?]: Removed 203 outVars from TransFormulas that were not future-live. [2024-11-02 12:34:59,087 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:34:59,859 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:34:59,859 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-02 12:34:59,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:34:59 BoogieIcfgContainer [2024-11-02 12:34:59,860 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:34:59,862 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:34:59,862 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:34:59,866 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:34:59,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:34:45" (1/3) ... [2024-11-02 12:34:59,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7676dc9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:34:59, skipping insertion in model container [2024-11-02 12:34:59,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:49" (2/3) ... [2024-11-02 12:34:59,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7676dc9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:34:59, skipping insertion in model container [2024-11-02 12:34:59,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:34:59" (3/3) ... [2024-11-02 12:34:59,870 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_release_harness_negated.i [2024-11-02 12:34:59,889 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:34:59,890 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-02 12:34:59,974 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:34:59,984 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@76a5172e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:34:59,985 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-02 12:34:59,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 254 states, 139 states have (on average 1.2014388489208634) internal successors, (167), 143 states have internal predecessors, (167), 90 states have call successors, (90), 21 states have call predecessors, (90), 21 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-02 12:34:59,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-02 12:35:00,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:35:00,001 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:35:00,001 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 2 more)] === [2024-11-02 12:35:00,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:35:00,009 INFO L85 PathProgramCache]: Analyzing trace with hash 2122448950, now seen corresponding path program 1 times [2024-11-02 12:35:00,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:35:00,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368698349] [2024-11-02 12:35:00,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:00,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms