./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5700eb64-a0f2-41c3-87a0-dea47a8f8615/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5700eb64-a0f2-41c3-87a0-dea47a8f8615/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_5700eb64-a0f2-41c3-87a0-dea47a8f8615/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5700eb64-a0f2-41c3-87a0-dea47a8f8615/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5700eb64-a0f2-41c3-87a0-dea47a8f8615/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_5700eb64-a0f2-41c3-87a0-dea47a8f8615/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 4257c596bef04d5fe8bf259adf6446404c081810303dcc774a436ca59648249a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:40:10,090 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:40:10,206 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5700eb64-a0f2-41c3-87a0-dea47a8f8615/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:40:10,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:40:10,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:40:10,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:40:10,247 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:40:10,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:40:10,248 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:40:10,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:40:10,249 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:40:10,250 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:40:10,250 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:40:10,251 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:40:10,251 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:40:10,251 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:40:10,252 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:40:10,252 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:40:10,253 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:40:10,253 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:40:10,253 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:40:10,258 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:40:10,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:40:10,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:40:10,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:40:10,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:40:10,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:40:10,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:40:10,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:40:10,260 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:40:10,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:40:10,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:40:10,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:40:10,262 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:40:10,262 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:40:10,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:40:10,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:40:10,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:40:10,263 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:40:10,263 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:40:10,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:40:10,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:40:10,266 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:40:10,266 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:40:10,267 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_5700eb64-a0f2-41c3-87a0-dea47a8f8615/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5700eb64-a0f2-41c3-87a0-dea47a8f8615/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4257c596bef04d5fe8bf259adf6446404c081810303dcc774a436ca59648249a [2024-11-02 12:40:10,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:40:10,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:40:10,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:40:10,643 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:40:10,644 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:40:10,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5700eb64-a0f2-41c3-87a0-dea47a8f8615/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i Unable to find full path for "g++" [2024-11-02 12:40:12,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:40:13,510 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:40:13,511 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5700eb64-a0f2-41c3-87a0-dea47a8f8615/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2024-11-02 12:40:13,575 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5700eb64-a0f2-41c3-87a0-dea47a8f8615/bin/utaipan-verify-DbMuA5NWw2/data/527a82608/d27b20af524f48a38c9a1ebd57aea937/FLAGeb89408ec [2024-11-02 12:40:13,599 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5700eb64-a0f2-41c3-87a0-dea47a8f8615/bin/utaipan-verify-DbMuA5NWw2/data/527a82608/d27b20af524f48a38c9a1ebd57aea937 [2024-11-02 12:40:13,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:40:13,606 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:40:13,609 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:40:13,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:40:13,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:40:13,618 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:40:13" (1/1) ... [2024-11-02 12:40:13,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@100fbb0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:13, skipping insertion in model container [2024-11-02 12:40:13,621 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:40:13" (1/1) ... [2024-11-02 12:40:13,766 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:40:14,185 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_5700eb64-a0f2-41c3-87a0-dea47a8f8615/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4499,4512] [2024-11-02 12:40:14,196 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_5700eb64-a0f2-41c3-87a0-dea47a8f8615/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4559,4572] [2024-11-02 12:40:15,400 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:15,401 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:15,401 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:15,403 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:15,404 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:15,419 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:15,420 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:15,423 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:15,424 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:15,426 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:15,427 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:15,428 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:15,429 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,184 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,194 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,269 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,270 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,270 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,271 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,271 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,272 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,272 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,273 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,274 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,274 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,274 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,275 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,275 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,278 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,279 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,279 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,280 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,284 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,284 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,292 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,293 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,294 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:40:16,368 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:40:16,390 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_5700eb64-a0f2-41c3-87a0-dea47a8f8615/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4499,4512] [2024-11-02 12:40:16,396 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_5700eb64-a0f2-41c3-87a0-dea47a8f8615/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4559,4572] [2024-11-02 12:40:16,476 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,477 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,477 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,481 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,482 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,490 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,491 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,492 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,493 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,494 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,495 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,496 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,497 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,651 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,657 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,669 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7770-7781] [2024-11-02 12:40:16,693 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,693 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,694 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,695 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,695 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,699 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,700 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,701 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,701 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,701 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,701 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,702 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,702 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,703 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,704 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,704 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,705 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,708 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,709 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,766 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,771 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,776 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:16,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:40:17,100 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:40:17,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:17 WrapperNode [2024-11-02 12:40:17,102 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:40:17,103 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:40:17,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:40:17,104 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:40:17,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:17" (1/1) ... [2024-11-02 12:40:17,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:17" (1/1) ... [2024-11-02 12:40:17,294 INFO L138 Inliner]: procedures = 687, calls = 1963, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 791 [2024-11-02 12:40:17,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:40:17,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:40:17,295 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:40:17,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:40:17,307 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:17" (1/1) ... [2024-11-02 12:40:17,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:17" (1/1) ... [2024-11-02 12:40:17,323 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:17" (1/1) ... [2024-11-02 12:40:17,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:17" (1/1) ... [2024-11-02 12:40:17,365 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:17" (1/1) ... [2024-11-02 12:40:17,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:17" (1/1) ... [2024-11-02 12:40:17,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:17" (1/1) ... [2024-11-02 12:40:17,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:17" (1/1) ... [2024-11-02 12:40:17,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:40:17,391 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:40:17,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:40:17,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:40:17,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:17" (1/1) ... [2024-11-02 12:40:17,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:40:17,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5700eb64-a0f2-41c3-87a0-dea47a8f8615/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:40:17,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5700eb64-a0f2-41c3-87a0-dea47a8f8615/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:40:17,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5700eb64-a0f2-41c3-87a0-dea47a8f8615/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:40:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-02 12:40:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-02 12:40:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:40:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-02 12:40:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-02 12:40:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-02 12:40:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-02 12:40:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:40:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:40:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:40:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:40:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-02 12:40:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-02 12:40:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:40:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:40:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:40:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:40:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:40:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:40:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:40:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:40:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:40:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-02 12:40:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-02 12:40:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-02 12:40:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-02 12:40:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-02 12:40:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-02 12:40:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:40:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-02 12:40:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-02 12:40:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-02 12:40:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-02 12:40:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:40:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:40:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:40:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:40:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:40:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 12:40:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 12:40:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-02 12:40:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-02 12:40:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:40:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-02 12:40:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-02 12:40:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-02 12:40:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-02 12:40:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:40:17,961 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:40:17,963 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:40:22,796 INFO L? ?]: Removed 186 outVars from TransFormulas that were not future-live. [2024-11-02 12:40:22,797 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:40:23,188 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:40:23,188 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:40:23,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:40:23 BoogieIcfgContainer [2024-11-02 12:40:23,189 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:40:23,192 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:40:23,192 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:40:23,195 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:40:23,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:40:13" (1/3) ... [2024-11-02 12:40:23,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc7fed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:40:23, skipping insertion in model container [2024-11-02 12:40:23,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:17" (2/3) ... [2024-11-02 12:40:23,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc7fed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:40:23, skipping insertion in model container [2024-11-02 12:40:23,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:40:23" (3/3) ... [2024-11-02 12:40:23,199 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness.i [2024-11-02 12:40:23,216 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:40:23,217 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:40:23,286 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:40:23,293 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;@143e188b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:40:23,293 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:40:23,298 INFO L276 IsEmpty]: Start isEmpty. Operand has 181 states, 103 states have (on average 1.1844660194174756) internal successors, (122), 104 states have internal predecessors, (122), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-02 12:40:23,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-02 12:40:23,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:40:23,312 INFO L215 NwaCegarLoop]: trace histogram [9, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:40:23,313 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:40:23,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:40:23,318 INFO L85 PathProgramCache]: Analyzing trace with hash 2001465128, now seen corresponding path program 1 times [2024-11-02 12:40:23,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:40:23,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020267755] [2024-11-02 12:40:23,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:40:23,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:40:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:40:36,599 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-02 12:40:36,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:40:36,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020267755] [2024-11-02 12:40:36,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020267755] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-02 12:40:36,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799025602] [2024-11-02 12:40:36,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:40:36,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:40:36,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5700eb64-a0f2-41c3-87a0-dea47a8f8615/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:40:36,605 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5700eb64-a0f2-41c3-87a0-dea47a8f8615/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:40:36,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5700eb64-a0f2-41c3-87a0-dea47a8f8615/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process