./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f150de8-928b-4de6-a1c1-383807e0d73a/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f150de8-928b-4de6-a1c1-383807e0d73a/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_8f150de8-928b-4de6-a1c1-383807e0d73a/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f150de8-928b-4de6-a1c1-383807e0d73a/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f150de8-928b-4de6-a1c1-383807e0d73a/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_8f150de8-928b-4de6-a1c1-383807e0d73a/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 4e59d9fbf3221e05899a4337354f2c9a73733c9d6b6114c066d75ddd1c55b4e4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:23:48,179 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:23:48,251 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f150de8-928b-4de6-a1c1-383807e0d73a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 11:23:48,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:23:48,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:23:48,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:23:48,296 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:23:48,296 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:23:48,299 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:23:48,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:23:48,302 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:23:48,303 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:23:48,303 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:23:48,304 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:23:48,305 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:23:48,308 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:23:48,309 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:23:48,309 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:23:48,309 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:23:48,310 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:23:48,310 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:23:48,311 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:23:48,311 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:23:48,312 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:23:48,312 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:23:48,314 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:23:48,314 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:23:48,315 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:23:48,315 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:23:48,315 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:23:48,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:23:48,316 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:23:48,316 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:23:48,317 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:23:48,317 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:23:48,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:23:48,318 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:23:48,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:23:48,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:23:48,319 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:23:48,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:23:48,321 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:23:48,321 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:23:48,322 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:23:48,323 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_8f150de8-928b-4de6-a1c1-383807e0d73a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f150de8-928b-4de6-a1c1-383807e0d73a/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e59d9fbf3221e05899a4337354f2c9a73733c9d6b6114c066d75ddd1c55b4e4 [2024-11-02 11:23:48,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:23:48,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:23:48,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:23:48,680 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:23:48,681 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:23:48,682 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f150de8-928b-4de6-a1c1-383807e0d73a/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i Unable to find full path for "g++" [2024-11-02 11:23:50,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:23:51,606 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:23:51,609 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f150de8-928b-4de6-a1c1-383807e0d73a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i [2024-11-02 11:23:51,666 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f150de8-928b-4de6-a1c1-383807e0d73a/bin/utaipan-verify-DbMuA5NWw2/data/82b7473d1/c4d804dc57e34a2fb9612cad833f86eb/FLAG0920abbed [2024-11-02 11:23:52,061 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f150de8-928b-4de6-a1c1-383807e0d73a/bin/utaipan-verify-DbMuA5NWw2/data/82b7473d1/c4d804dc57e34a2fb9612cad833f86eb [2024-11-02 11:23:52,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:23:52,071 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:23:52,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:23:52,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:23:52,080 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:23:52,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:23:52" (1/1) ... [2024-11-02 11:23:52,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ad2c0a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:52, skipping insertion in model container [2024-11-02 11:23:52,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:23:52" (1/1) ... [2024-11-02 11:23:52,236 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:23:52,585 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_8f150de8-928b-4de6-a1c1-383807e0d73a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i[4497,4510] [2024-11-02 11:23:52,595 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_8f150de8-928b-4de6-a1c1-383807e0d73a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i[4557,4570] [2024-11-02 11:23:53,760 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:53,761 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:53,762 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:53,763 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:53,765 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:53,782 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:53,783 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:53,785 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:53,786 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:54,630 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:54,631 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:54,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:23:54,876 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:23:54,894 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_8f150de8-928b-4de6-a1c1-383807e0d73a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i[4497,4510] [2024-11-02 11:23:54,895 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_8f150de8-928b-4de6-a1c1-383807e0d73a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i[4557,4570] [2024-11-02 11:23:54,949 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:54,950 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:54,950 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:54,951 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:54,952 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:54,959 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:54,960 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:54,961 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:54,962 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:55,152 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-02 11:23:55,154 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:55,155 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:55,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8957-8968] [2024-11-02 11:23:55,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:23:55,543 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:23:55,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55 WrapperNode [2024-11-02 11:23:55,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:23:55,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:23:55,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:23:55,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:23:55,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55" (1/1) ... [2024-11-02 11:23:55,660 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55" (1/1) ... [2024-11-02 11:23:55,735 INFO L138 Inliner]: procedures = 684, calls = 2943, calls flagged for inlining = 61, calls inlined = 12, statements flattened = 1208 [2024-11-02 11:23:55,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:23:55,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:23:55,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:23:55,737 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:23:55,746 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55" (1/1) ... [2024-11-02 11:23:55,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55" (1/1) ... [2024-11-02 11:23:55,760 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55" (1/1) ... [2024-11-02 11:23:55,760 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55" (1/1) ... [2024-11-02 11:23:55,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55" (1/1) ... [2024-11-02 11:23:55,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55" (1/1) ... [2024-11-02 11:23:55,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55" (1/1) ... [2024-11-02 11:23:55,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55" (1/1) ... [2024-11-02 11:23:55,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:23:55,891 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:23:55,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:23:55,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:23:55,896 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55" (1/1) ... [2024-11-02 11:23:55,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:23:55,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f150de8-928b-4de6-a1c1-383807e0d73a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:23:55,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f150de8-928b-4de6-a1c1-383807e0d73a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:23:55,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f150de8-928b-4de6-a1c1-383807e0d73a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:23:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-02 11:23:55,966 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-02 11:23:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 11:23:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 11:23:55,967 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 11:23:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-02 11:23:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-02 11:23:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 11:23:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 11:23:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-02 11:23:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-02 11:23:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 11:23:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 11:23:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 11:23:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:23:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 11:23:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-02 11:23:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-02 11:23:55,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:23:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:23:55,970 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 11:23:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 11:23:55,970 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-02 11:23:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-02 11:23:55,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 11:23:55,971 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-02 11:23:55,971 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-02 11:23:55,971 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:23:55,971 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:23:55,971 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-11-02 11:23:55,971 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-11-02 11:23:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 11:23:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 11:23:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 11:23:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-02 11:23:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-02 11:23:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-11-02 11:23:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-11-02 11:23:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 11:23:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 11:23:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-02 11:23:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-02 11:23:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-02 11:23:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-02 11:23:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-02 11:23:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-02 11:23:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 11:23:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-02 11:23:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-02 11:23:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-02 11:23:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-02 11:23:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-02 11:23:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-02 11:23:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-02 11:23:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-02 11:23:55,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:23:56,369 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:23:56,372 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:24:04,734 INFO L? ?]: Removed 224 outVars from TransFormulas that were not future-live. [2024-11-02 11:24:04,734 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:24:05,484 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:24:05,484 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-02 11:24:05,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:24:05 BoogieIcfgContainer [2024-11-02 11:24:05,485 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:24:05,487 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:24:05,487 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:24:05,491 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:24:05,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:23:52" (1/3) ... [2024-11-02 11:24:05,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e3c7c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:24:05, skipping insertion in model container [2024-11-02 11:24:05,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55" (2/3) ... [2024-11-02 11:24:05,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e3c7c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:24:05, skipping insertion in model container [2024-11-02 11:24:05,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:24:05" (3/3) ... [2024-11-02 11:24:05,495 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness_negated.i [2024-11-02 11:24:05,513 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:24:05,513 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-02 11:24:05,590 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:24:05,600 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;@169d82f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:24:05,600 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-02 11:24:05,607 INFO L276 IsEmpty]: Start isEmpty. Operand has 347 states, 175 states have (on average 1.2) internal successors, (210), 180 states have internal predecessors, (210), 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) [2024-11-02 11:24:05,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-02 11:24:05,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:24:05,616 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:24:05,617 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 11:24:05,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:24:05,622 INFO L85 PathProgramCache]: Analyzing trace with hash -429765314, now seen corresponding path program 1 times [2024-11-02 11:24:05,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:24:05,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962978427] [2024-11-02 11:24:05,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:24:05,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms