./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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0725c6b-97f3-426d-bd33-3d2d3c3590aa/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0725c6b-97f3-426d-bd33-3d2d3c3590aa/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_e0725c6b-97f3-426d-bd33-3d2d3c3590aa/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0725c6b-97f3-426d-bd33-3d2d3c3590aa/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.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_e0725c6b-97f3-426d-bd33-3d2d3c3590aa/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_e0725c6b-97f3-426d-bd33-3d2d3c3590aa/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 8d16217b02ecd6e481b32d24ab08e27bf0c28fb8762abe433cdf4ba726b5e322 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:01:47,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:01:47,567 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0725c6b-97f3-426d-bd33-3d2d3c3590aa/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:01:47,576 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:01:47,576 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:01:47,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:01:47,617 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:01:47,618 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:01:47,619 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:01:47,620 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:01:47,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:01:47,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:01:47,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:01:47,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:01:47,623 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:01:47,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:01:47,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:01:47,624 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:01:47,627 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:01:47,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:01:47,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:01:47,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:01:47,633 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:01:47,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:01:47,634 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:01:47,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:01:47,634 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:01:47,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:01:47,635 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:01:47,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:01:47,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:01:47,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:01:47,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:01:47,638 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:01:47,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:01:47,639 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:01:47,639 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:01:47,639 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:01:47,639 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:01:47,639 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_e0725c6b-97f3-426d-bd33-3d2d3c3590aa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0725c6b-97f3-426d-bd33-3d2d3c3590aa/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d16217b02ecd6e481b32d24ab08e27bf0c28fb8762abe433cdf4ba726b5e322 [2024-10-31 22:01:47,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:01:47,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:01:47,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:01:47,992 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:01:47,993 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:01:47,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0725c6b-97f3-426d-bd33-3d2d3c3590aa/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness_negated.i Unable to find full path for "g++" [2024-10-31 22:01:50,278 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:01:50,797 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:01:50,798 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0725c6b-97f3-426d-bd33-3d2d3c3590aa/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness_negated.i [2024-10-31 22:01:50,854 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0725c6b-97f3-426d-bd33-3d2d3c3590aa/bin/uautomizer-verify-4GaUIPS5ZU/data/af568c3e6/3ed55d9890ae4397b533dc0e58d147b6/FLAGe5804f0ab [2024-10-31 22:01:50,876 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0725c6b-97f3-426d-bd33-3d2d3c3590aa/bin/uautomizer-verify-4GaUIPS5ZU/data/af568c3e6/3ed55d9890ae4397b533dc0e58d147b6 [2024-10-31 22:01:50,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:01:50,883 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:01:50,885 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:50,885 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:01:50,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:01:50,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:50" (1/1) ... [2024-10-31 22:01:50,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f3967f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:50, skipping insertion in model container [2024-10-31 22:01:50,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:50" (1/1) ... [2024-10-31 22:01:51,074 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:01:51,451 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_e0725c6b-97f3-426d-bd33-3d2d3c3590aa/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness_negated.i[4497,4510] [2024-10-31 22:01:51,459 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_e0725c6b-97f3-426d-bd33-3d2d3c3590aa/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness_negated.i[4557,4570] [2024-10-31 22:01:52,643 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:52,644 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:52,645 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:52,647 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:52,649 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:52,669 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:52,670 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:52,673 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:52,674 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:53,606 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:53,606 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:53,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:53,865 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:01:53,883 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_e0725c6b-97f3-426d-bd33-3d2d3c3590aa/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness_negated.i[4497,4510] [2024-10-31 22:01:53,887 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_e0725c6b-97f3-426d-bd33-3d2d3c3590aa/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness_negated.i[4557,4570] [2024-10-31 22:01:53,962 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:53,963 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:53,963 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:53,963 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:53,964 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:53,977 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:53,977 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:53,979 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:53,979 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:54,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-10-31 22:01:54,179 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:54,180 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:54,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8963-8974] [2024-10-31 22:01:54,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:54,538 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:01:54,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:54 WrapperNode [2024-10-31 22:01:54,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:54,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:54,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:01:54,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:01:54,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:54" (1/1) ... [2024-10-31 22:01:54,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:54" (1/1) ... [2024-10-31 22:01:54,781 INFO L138 Inliner]: procedures = 684, calls = 2948, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 1031 [2024-10-31 22:01:54,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:54,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:01:54,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:01:54,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:01:54,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:54" (1/1) ... [2024-10-31 22:01:54,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:54" (1/1) ... [2024-10-31 22:01:54,808 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:54" (1/1) ... [2024-10-31 22:01:54,948 INFO L175 MemorySlicer]: Split 593 memory accesses to 6 slices as follows [2, 257, 6, 36, 243, 49]. 43 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 4, 4, 11, 10]. The 496 writes are split as follows [0, 257, 0, 3, 232, 4]. [2024-10-31 22:01:54,948 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:54" (1/1) ... [2024-10-31 22:01:54,948 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:54" (1/1) ... [2024-10-31 22:01:55,016 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:54" (1/1) ... [2024-10-31 22:01:55,023 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:54" (1/1) ... [2024-10-31 22:01:55,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:54" (1/1) ... [2024-10-31 22:01:55,041 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:54" (1/1) ... [2024-10-31 22:01:55,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:01:55,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:01:55,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:01:55,074 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:01:55,075 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:54" (1/1) ... [2024-10-31 22:01:55,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:01:55,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0725c6b-97f3-426d-bd33-3d2d3c3590aa/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:55,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0725c6b-97f3-426d-bd33-3d2d3c3590aa/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:55,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0725c6b-97f3-426d-bd33-3d2d3c3590aa/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:01:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-10-31 22:01:55,157 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-10-31 22:01:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:01:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:01:55,158 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:01:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-10-31 22:01:55,159 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-10-31 22:01:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2024-10-31 22:01:55,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2024-10-31 22:01:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:01:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:01:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:01:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:01:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:01:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:01:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:01:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:01:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:01:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:01:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:01:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:01:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure is_empty_state [2024-10-31 22:01:55,177 INFO L138 BoogieDeclarations]: Found implementation of procedure is_empty_state [2024-10-31 22:01:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:01:55,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:01:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:01:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:01:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:01:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:01:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:01:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:01:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:01:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:01:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-10-31 22:01:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-10-31 22:01:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:01:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:01:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:01:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:01:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-31 22:01:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-31 22:01:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:01:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:01:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:01:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:01:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:01:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:01:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-10-31 22:01:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-10-31 22:01:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-31 22:01:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-31 22:01:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-31 22:01:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-31 22:01:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-31 22:01:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-31 22:01:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-31 22:01:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-31 22:01:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-31 22:01:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-31 22:01:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-31 22:01:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-31 22:01:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:01:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:01:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:01:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:01:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:01:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:01:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:01:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:01:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:01:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:01:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:01:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:01:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:01:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:01:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:01:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-10-31 22:01:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-10-31 22:01:55,189 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:01:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:01:55,189 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-10-31 22:01:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-10-31 22:01:55,189 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-10-31 22:01:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-10-31 22:01:55,190 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-10-31 22:01:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-10-31 22:01:55,190 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-10-31 22:01:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-10-31 22:01:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-10-31 22:01:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-10-31 22:01:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-10-31 22:01:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-10-31 22:01:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-10-31 22:01:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-10-31 22:01:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:01:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:01:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:01:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:01:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:01:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:01:55,631 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:01:55,634 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:02:06,905 INFO L? ?]: Removed 218 outVars from TransFormulas that were not future-live. [2024-10-31 22:02:06,906 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:02:06,956 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:02:06,956 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-31 22:02:06,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:06 BoogieIcfgContainer [2024-10-31 22:02:06,957 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:02:06,965 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:02:06,967 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:02:06,975 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:02:06,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:01:50" (1/3) ... [2024-10-31 22:02:06,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c8e37e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:02:06, skipping insertion in model container [2024-10-31 22:02:06,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:54" (2/3) ... [2024-10-31 22:02:06,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c8e37e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:02:06, skipping insertion in model container [2024-10-31 22:02:06,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:06" (3/3) ... [2024-10-31 22:02:06,982 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_release_harness_negated.i [2024-10-31 22:02:07,002 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:02:07,002 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-31 22:02:07,138 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:02:07,156 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;@15d52b32, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:02:07,156 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-31 22:02:07,174 INFO L276 IsEmpty]: Start isEmpty. Operand has 319 states, 204 states have (on average 1.2352941176470589) internal successors, (252), 208 states have internal predecessors, (252), 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) [2024-10-31 22:02:07,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-31 22:02:07,205 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:02:07,206 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-10-31 22:02:07,207 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 22:02:07,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:07,217 INFO L85 PathProgramCache]: Analyzing trace with hash -467156879, now seen corresponding path program 1 times [2024-10-31 22:02:07,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:07,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355562268] [2024-10-31 22:02:07,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:07,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms