./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_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_56d43f61-4da1-43ad-a9a5-aba01f98ef29/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d43f61-4da1-43ad-a9a5-aba01f98ef29/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_56d43f61-4da1-43ad-a9a5-aba01f98ef29/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d43f61-4da1-43ad-a9a5-aba01f98ef29/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d43f61-4da1-43ad-a9a5-aba01f98ef29/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_56d43f61-4da1-43ad-a9a5-aba01f98ef29/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 0d1c98d3f3f6048edf6fc6a4bde9d45bc6c20f873b6422e14aa69ea72b3ec195 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:31:08,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:31:08,399 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d43f61-4da1-43ad-a9a5-aba01f98ef29/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:31:08,405 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:31:08,408 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:31:08,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:31:08,453 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:31:08,454 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:31:08,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:31:08,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:31:08,459 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:31:08,459 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:31:08,460 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:31:08,460 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:31:08,460 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:31:08,461 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:31:08,461 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:31:08,461 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:31:08,466 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:31:08,466 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:31:08,466 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:31:08,467 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:31:08,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:31:08,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:31:08,468 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:31:08,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:31:08,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:31:08,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:31:08,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:31:08,470 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:31:08,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:31:08,470 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:31:08,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:31:08,472 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:31:08,472 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:31:08,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:31:08,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:31:08,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:31:08,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:31:08,474 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:31:08,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:31:08,476 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:31:08,477 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:31:08,477 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:31:08,478 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_56d43f61-4da1-43ad-a9a5-aba01f98ef29/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d43f61-4da1-43ad-a9a5-aba01f98ef29/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d1c98d3f3f6048edf6fc6a4bde9d45bc6c20f873b6422e14aa69ea72b3ec195 [2024-11-02 12:31:08,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:31:08,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:31:08,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:31:08,949 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:31:08,950 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:31:08,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d43f61-4da1-43ad-a9a5-aba01f98ef29/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness_negated.i Unable to find full path for "g++" [2024-11-02 12:31:11,033 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:31:11,663 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:31:11,666 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d43f61-4da1-43ad-a9a5-aba01f98ef29/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness_negated.i [2024-11-02 12:31:11,713 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d43f61-4da1-43ad-a9a5-aba01f98ef29/bin/utaipan-verify-DbMuA5NWw2/data/7619d8bb4/0d7dd5e4d32845b0bf43435490556346/FLAGa7efe9e20 [2024-11-02 12:31:12,122 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d43f61-4da1-43ad-a9a5-aba01f98ef29/bin/utaipan-verify-DbMuA5NWw2/data/7619d8bb4/0d7dd5e4d32845b0bf43435490556346 [2024-11-02 12:31:12,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:31:12,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:31:12,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:31:12,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:31:12,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:31:12,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:31:12" (1/1) ... [2024-11-02 12:31:12,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e9f1fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:12, skipping insertion in model container [2024-11-02 12:31:12,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:31:12" (1/1) ... [2024-11-02 12:31:12,363 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:31:12,808 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_56d43f61-4da1-43ad-a9a5-aba01f98ef29/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness_negated.i[4499,4512] [2024-11-02 12:31:12,819 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_56d43f61-4da1-43ad-a9a5-aba01f98ef29/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness_negated.i[4559,4572] [2024-11-02 12:31:14,407 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:14,409 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:14,409 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:14,411 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:14,412 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:14,430 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:14,431 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:14,434 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:14,435 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:15,421 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:15,422 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:15,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:31:15,621 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:31:15,648 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_56d43f61-4da1-43ad-a9a5-aba01f98ef29/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness_negated.i[4499,4512] [2024-11-02 12:31:15,649 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_56d43f61-4da1-43ad-a9a5-aba01f98ef29/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness_negated.i[4559,4572] [2024-11-02 12:31:15,727 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:15,728 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:15,729 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:15,730 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:15,731 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:15,750 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:15,751 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:15,753 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:15,754 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:15,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-02 12:31:15,932 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:15,933 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:15,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-02 12:31:16,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:31:16,400 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:31:16,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:16 WrapperNode [2024-11-02 12:31:16,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:31:16,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:31:16,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:31:16,403 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:31:16,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:16" (1/1) ... [2024-11-02 12:31:16,522 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:16" (1/1) ... [2024-11-02 12:31:16,605 INFO L138 Inliner]: procedures = 679, calls = 2730, calls flagged for inlining = 58, calls inlined = 6, statements flattened = 791 [2024-11-02 12:31:16,608 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:31:16,609 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:31:16,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:31:16,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:31:16,623 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:16" (1/1) ... [2024-11-02 12:31:16,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:16" (1/1) ... [2024-11-02 12:31:16,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:16" (1/1) ... [2024-11-02 12:31:16,631 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:16" (1/1) ... [2024-11-02 12:31:16,666 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:16" (1/1) ... [2024-11-02 12:31:16,670 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:16" (1/1) ... [2024-11-02 12:31:16,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:16" (1/1) ... [2024-11-02 12:31:16,688 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:16" (1/1) ... [2024-11-02 12:31:16,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:31:16,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:31:16,709 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:31:16,709 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:31:16,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:16" (1/1) ... [2024-11-02 12:31:16,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:31:16,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d43f61-4da1-43ad-a9a5-aba01f98ef29/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:31:16,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d43f61-4da1-43ad-a9a5-aba01f98ef29/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:31:16,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d43f61-4da1-43ad-a9a5-aba01f98ef29/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:31:16,795 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-02 12:31:16,795 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-02 12:31:16,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:31:16,797 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:31:16,797 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:31:16,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-02 12:31:16,797 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-02 12:31:16,797 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-02 12:31:16,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-02 12:31:16,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:31:16,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:31:16,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-02 12:31:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-02 12:31:16,799 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-02 12:31:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-02 12:31:16,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:31:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:31:16,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:31:16,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:31:16,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:31:16,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:31:16,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:31:16,800 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:31:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:31:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-02 12:31:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-02 12:31:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-02 12:31:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:31:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-02 12:31:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-02 12:31:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:31:16,802 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:31:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-02 12:31:16,802 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-02 12:31:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:31:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-02 12:31:16,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-02 12:31:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:31:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2024-11-02 12:31:16,804 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2024-11-02 12:31:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 12:31:16,804 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 12:31:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-02 12:31:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-02 12:31:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-02 12:31:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-02 12:31:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:31:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2024-11-02 12:31:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:31:17,175 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:31:17,179 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:31:17,368 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2024-11-02 12:31:24,984 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-02 12:31:24,985 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:31:25,875 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:31:25,876 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-02 12:31:25,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:31:25 BoogieIcfgContainer [2024-11-02 12:31:25,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:31:25,879 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:31:25,879 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:31:25,883 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:31:25,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:31:12" (1/3) ... [2024-11-02 12:31:25,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717459f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:31:25, skipping insertion in model container [2024-11-02 12:31:25,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:16" (2/3) ... [2024-11-02 12:31:25,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717459f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:31:25, skipping insertion in model container [2024-11-02 12:31:25,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:31:25" (3/3) ... [2024-11-02 12:31:25,887 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_array_harness_negated.i [2024-11-02 12:31:25,910 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:31:25,910 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:31:26,045 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:31:26,053 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;@16735c96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:31:26,055 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:31:26,059 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 59 states have (on average 1.1864406779661016) internal successors, (70), 59 states have internal predecessors, (70), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-02 12:31:26,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-02 12:31:26,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:31:26,070 INFO L215 NwaCegarLoop]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:31:26,070 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:31:26,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:31:26,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1946586981, now seen corresponding path program 1 times [2024-11-02 12:31:26,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:31:26,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076151794] [2024-11-02 12:31:26,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:31:26,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms