./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_copy_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_99ac7fe9-6605-471a-b073-b1f2c6d9b373/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7fe9-6605-471a-b073-b1f2c6d9b373/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_99ac7fe9-6605-471a-b073-b1f2c6d9b373/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7fe9-6605-471a-b073-b1f2c6d9b373/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7fe9-6605-471a-b073-b1f2c6d9b373/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_99ac7fe9-6605-471a-b073-b1f2c6d9b373/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 d7c0f5b67426dc3769ace794e9c8c036d37ffa3960449e6b59343c653ea0c545 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:33:55,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:33:55,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7fe9-6605-471a-b073-b1f2c6d9b373/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:33:55,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:33:55,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:33:55,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:33:55,396 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:33:55,396 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:33:55,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:33:55,397 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:33:55,398 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:33:55,400 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:33:55,400 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:33:55,405 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:33:55,405 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:33:55,406 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:33:55,406 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:33:55,406 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:33:55,407 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:33:55,407 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:33:55,407 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:33:55,411 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:33:55,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:33:55,411 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:33:55,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:33:55,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:33:55,412 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:33:55,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:33:55,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:33:55,418 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:33:55,419 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:33:55,419 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:33:55,420 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:33:55,420 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:33:55,421 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:33:55,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:55,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:33:55,422 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:33:55,423 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:33:55,423 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:33:55,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:33:55,424 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:33:55,424 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:33:55,424 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:33:55,424 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_99ac7fe9-6605-471a-b073-b1f2c6d9b373/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7fe9-6605-471a-b073-b1f2c6d9b373/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7c0f5b67426dc3769ace794e9c8c036d37ffa3960449e6b59343c653ea0c545 [2024-11-02 12:33:55,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:33:55,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:33:55,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:33:55,728 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:33:55,729 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:33:55,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7fe9-6605-471a-b073-b1f2c6d9b373/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i Unable to find full path for "g++" [2024-11-02 12:33:58,034 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:33:58,550 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:33:58,550 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7fe9-6605-471a-b073-b1f2c6d9b373/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i [2024-11-02 12:33:58,601 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7fe9-6605-471a-b073-b1f2c6d9b373/bin/utaipan-verify-DbMuA5NWw2/data/9ed6f14f0/72faad837ce742ffa00a733cb0e2271a/FLAGd988ff31c [2024-11-02 12:33:59,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7fe9-6605-471a-b073-b1f2c6d9b373/bin/utaipan-verify-DbMuA5NWw2/data/9ed6f14f0/72faad837ce742ffa00a733cb0e2271a [2024-11-02 12:33:59,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:33:59,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:33:59,103 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:59,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:33:59,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:33:59,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:59" (1/1) ... [2024-11-02 12:33:59,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c767372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:59, skipping insertion in model container [2024-11-02 12:33:59,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:59" (1/1) ... [2024-11-02 12:33:59,236 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:33:59,563 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_99ac7fe9-6605-471a-b073-b1f2c6d9b373/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4493,4506] [2024-11-02 12:33:59,572 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_99ac7fe9-6605-471a-b073-b1f2c6d9b373/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4553,4566] [2024-11-02 12:34:00,687 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:00,692 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:00,692 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:00,693 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:00,699 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:00,722 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:00,727 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:00,729 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:00,730 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:00,732 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:00,734 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:00,735 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:00,735 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:01,459 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:01,463 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:01,471 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:01,483 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:01,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:34:01,704 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:34:01,737 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_99ac7fe9-6605-471a-b073-b1f2c6d9b373/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4493,4506] [2024-11-02 12:34:01,738 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_99ac7fe9-6605-471a-b073-b1f2c6d9b373/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4553,4566] [2024-11-02 12:34:01,880 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:01,881 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:01,881 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:01,882 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:01,883 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:01,893 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:01,893 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:01,895 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:01,896 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:01,897 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:01,898 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:01,899 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:01,899 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:01,987 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:01,988 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:01,989 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:01,996 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:34:02,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7775-7786] [2024-11-02 12:34:02,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:34:02,352 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:34:02,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02 WrapperNode [2024-11-02 12:34:02,353 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:34:02,354 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:34:02,354 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:34:02,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:34:02,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02" (1/1) ... [2024-11-02 12:34:02,458 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02" (1/1) ... [2024-11-02 12:34:02,514 INFO L138 Inliner]: procedures = 680, calls = 1678, calls flagged for inlining = 52, calls inlined = 7, statements flattened = 718 [2024-11-02 12:34:02,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:34:02,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:34:02,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:34:02,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:34:02,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02" (1/1) ... [2024-11-02 12:34:02,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02" (1/1) ... [2024-11-02 12:34:02,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02" (1/1) ... [2024-11-02 12:34:02,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02" (1/1) ... [2024-11-02 12:34:02,592 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02" (1/1) ... [2024-11-02 12:34:02,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02" (1/1) ... [2024-11-02 12:34:02,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02" (1/1) ... [2024-11-02 12:34:02,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02" (1/1) ... [2024-11-02 12:34:02,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:34:02,634 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:34:02,634 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:34:02,635 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:34:02,635 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02" (1/1) ... [2024-11-02 12:34:02,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:34:02,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7fe9-6605-471a-b073-b1f2c6d9b373/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:34:02,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7fe9-6605-471a-b073-b1f2c6d9b373/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:34:02,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7fe9-6605-471a-b073-b1f2c6d9b373/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:34:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:34:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-02 12:34:02,748 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-02 12:34:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-02 12:34:02,748 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-02 12:34:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:34:02,748 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:34:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-02 12:34:02,749 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-02 12:34:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:34:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:34:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-02 12:34:02,750 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-02 12:34:02,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:34:02,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:34:02,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:34:02,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:34:02,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:34:02,750 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-02 12:34:02,751 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-02 12:34:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:34:02,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:34:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:34:02,752 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:34:02,752 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-02 12:34:02,753 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-02 12:34:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:34:02,754 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-02 12:34:02,754 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-02 12:34:02,754 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-02 12:34:02,754 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-02 12:34:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:34:02,755 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:34:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-02 12:34:02,755 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-02 12:34:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-02 12:34:02,755 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-02 12:34:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:34:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:34:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:34:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 12:34:02,756 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 12:34:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-02 12:34:02,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-02 12:34:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:34:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-02 12:34:02,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-02 12:34:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:34:03,151 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:34:03,155 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:34:07,457 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-02 12:34:07,457 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:34:07,743 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:34:07,743 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:34:07,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:34:07 BoogieIcfgContainer [2024-11-02 12:34:07,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:34:07,746 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:34:07,746 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:34:07,750 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:34:07,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:33:59" (1/3) ... [2024-11-02 12:34:07,751 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dea5787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:34:07, skipping insertion in model container [2024-11-02 12:34:07,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02" (2/3) ... [2024-11-02 12:34:07,751 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dea5787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:34:07, skipping insertion in model container [2024-11-02 12:34:07,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:34:07" (3/3) ... [2024-11-02 12:34:07,753 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_copy_harness.i [2024-11-02 12:34:07,773 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:34:07,773 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:34:07,858 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:34:07,866 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;@500dcc5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:34:07,867 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:34:07,872 INFO L276 IsEmpty]: Start isEmpty. Operand has 180 states, 90 states have (on average 1.1777777777777778) internal successors, (106), 91 states have internal predecessors, (106), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-02 12:34:07,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-02 12:34:07,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:34:07,894 INFO L215 NwaCegarLoop]: trace histogram [12, 5, 5, 5, 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] [2024-11-02 12:34:07,894 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:34:07,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:34:07,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1477042211, now seen corresponding path program 1 times [2024-11-02 12:34:07,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:34:07,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676055578] [2024-11-02 12:34:07,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:07,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:34:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:34:17,439 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-02 12:34:17,441 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:34:17,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676055578] [2024-11-02 12:34:17,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676055578] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-02 12:34:17,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323029650] [2024-11-02 12:34:17,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:17,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:34:17,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7fe9-6605-471a-b073-b1f2c6d9b373/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:34:17,447 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7fe9-6605-471a-b073-b1f2c6d9b373/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:34:17,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ac7fe9-6605-471a-b073-b1f2c6d9b373/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:34:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:34:25,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 4271 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:34:25,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:34:25,980 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-02 12:34:25,980 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:34:25,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323029650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:34:25,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-02 12:34:25,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-02 12:34:25,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622480758] [2024-11-02 12:34:25,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:34:25,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:34:25,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:34:26,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:34:26,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-02 12:34:26,029 INFO L87 Difference]: Start difference. First operand has 180 states, 90 states have (on average 1.1777777777777778) internal successors, (106), 91 states have internal predecessors, (106), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-02 12:34:28,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []