./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_length_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_6b673add-504c-4f5a-9d50-e92b9520a15a/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b673add-504c-4f5a-9d50-e92b9520a15a/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_6b673add-504c-4f5a-9d50-e92b9520a15a/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b673add-504c-4f5a-9d50-e92b9520a15a/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_length_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b673add-504c-4f5a-9d50-e92b9520a15a/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_6b673add-504c-4f5a-9d50-e92b9520a15a/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 c30c0965987318f01d5184a150d60c3184a0b961eb98f92329641a56cc773300 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:23:08,095 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:23:08,224 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b673add-504c-4f5a-9d50-e92b9520a15a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 11:23:08,230 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:23:08,232 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:23:08,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:23:08,273 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:23:08,273 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:23:08,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:23:08,274 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:23:08,275 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:23:08,275 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:23:08,276 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:23:08,276 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:23:08,277 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:23:08,277 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:23:08,277 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:23:08,278 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:23:08,278 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:23:08,279 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:23:08,279 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:23:08,280 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:23:08,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:23:08,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:23:08,281 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:23:08,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:23:08,281 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:23:08,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:23:08,282 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:23:08,282 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:23:08,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:23:08,286 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:23:08,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:23:08,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:23:08,288 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:23:08,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:23:08,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:23:08,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:23:08,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:23:08,290 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:23:08,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:23:08,290 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:23:08,291 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:23:08,291 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:23:08,291 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_6b673add-504c-4f5a-9d50-e92b9520a15a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b673add-504c-4f5a-9d50-e92b9520a15a/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c30c0965987318f01d5184a150d60c3184a0b961eb98f92329641a56cc773300 [2024-11-02 11:23:08,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:23:08,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:23:08,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:23:08,651 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:23:08,652 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:23:08,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b673add-504c-4f5a-9d50-e92b9520a15a/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_array_list_length_harness_negated.i Unable to find full path for "g++" [2024-11-02 11:23:10,927 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:23:11,478 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:23:11,481 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b673add-504c-4f5a-9d50-e92b9520a15a/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness_negated.i [2024-11-02 11:23:11,523 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b673add-504c-4f5a-9d50-e92b9520a15a/bin/utaipan-verify-DbMuA5NWw2/data/337c94f89/ac6621e491344f678bf341c1288effff/FLAGd0dabf95e [2024-11-02 11:23:12,017 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b673add-504c-4f5a-9d50-e92b9520a15a/bin/utaipan-verify-DbMuA5NWw2/data/337c94f89/ac6621e491344f678bf341c1288effff [2024-11-02 11:23:12,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:23:12,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:23:12,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:23:12,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:23:12,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:23:12,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:23:12" (1/1) ... [2024-11-02 11:23:12,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@615f757b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:12, skipping insertion in model container [2024-11-02 11:23:12,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:23:12" (1/1) ... [2024-11-02 11:23:12,245 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:23:12,676 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_6b673add-504c-4f5a-9d50-e92b9520a15a/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness_negated.i[4495,4508] [2024-11-02 11:23:12,688 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_6b673add-504c-4f5a-9d50-e92b9520a15a/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness_negated.i[4555,4568] [2024-11-02 11:23:13,869 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:13,870 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:13,871 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:13,872 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:13,873 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:13,888 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:13,889 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:13,891 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:13,892 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:13,894 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:13,896 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:13,897 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:13,897 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:14,646 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:14,660 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:14,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:23:14,785 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:23:14,801 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_6b673add-504c-4f5a-9d50-e92b9520a15a/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness_negated.i[4495,4508] [2024-11-02 11:23:14,802 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_6b673add-504c-4f5a-9d50-e92b9520a15a/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness_negated.i[4555,4568] [2024-11-02 11:23:14,962 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:14,965 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:14,965 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:14,967 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:14,968 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:14,983 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:14,984 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:14,987 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:14,988 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:14,992 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:14,994 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:14,995 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:14,995 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:15,118 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:15,125 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:15,135 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7715-7726] [2024-11-02 11:23:15,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:23:15,531 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:23:15,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:15 WrapperNode [2024-11-02 11:23:15,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:23:15,534 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:23:15,534 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:23:15,534 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:23:15,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:15" (1/1) ... [2024-11-02 11:23:15,641 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:15" (1/1) ... [2024-11-02 11:23:15,720 INFO L138 Inliner]: procedures = 679, calls = 1677, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 592 [2024-11-02 11:23:15,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:23:15,721 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:23:15,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:23:15,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:23:15,733 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:15" (1/1) ... [2024-11-02 11:23:15,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:15" (1/1) ... [2024-11-02 11:23:15,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:15" (1/1) ... [2024-11-02 11:23:15,743 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:15" (1/1) ... [2024-11-02 11:23:15,771 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:15" (1/1) ... [2024-11-02 11:23:15,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:15" (1/1) ... [2024-11-02 11:23:15,791 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:15" (1/1) ... [2024-11-02 11:23:15,798 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:15" (1/1) ... [2024-11-02 11:23:15,815 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:23:15,817 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:23:15,821 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:23:15,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:23:15,823 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:15" (1/1) ... [2024-11-02 11:23:15,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:23:15,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b673add-504c-4f5a-9d50-e92b9520a15a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:23:15,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b673add-504c-4f5a-9d50-e92b9520a15a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:23:15,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b673add-504c-4f5a-9d50-e92b9520a15a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:23:15,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 11:23:15,917 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-02 11:23:15,918 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-02 11:23:15,918 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-02 11:23:15,918 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-02 11:23:15,918 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 11:23:15,918 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 11:23:15,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 11:23:15,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 11:23:15,919 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-02 11:23:15,919 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-02 11:23:15,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 11:23:15,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 11:23:15,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 11:23:15,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:23:15,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 11:23:15,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:23:15,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:23:15,920 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 11:23:15,920 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 11:23:15,920 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-02 11:23:15,920 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-02 11:23:15,920 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-02 11:23:15,920 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-02 11:23:15,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 11:23:15,920 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-02 11:23:15,920 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-02 11:23:15,920 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:23:15,923 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:23:15,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 11:23:15,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 11:23:15,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 11:23:15,923 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 11:23:15,923 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 11:23:15,924 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-02 11:23:15,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-02 11:23:15,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 11:23:15,924 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-02 11:23:15,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-02 11:23:15,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:23:16,352 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:23:16,355 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:23:20,488 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-02 11:23:20,488 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:23:20,792 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:23:20,793 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 11:23:20,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:23:20 BoogieIcfgContainer [2024-11-02 11:23:20,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:23:20,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:23:20,796 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:23:20,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:23:20,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:23:12" (1/3) ... [2024-11-02 11:23:20,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ab9d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:23:20, skipping insertion in model container [2024-11-02 11:23:20,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:15" (2/3) ... [2024-11-02 11:23:20,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ab9d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:23:20, skipping insertion in model container [2024-11-02 11:23:20,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:23:20" (3/3) ... [2024-11-02 11:23:20,804 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_length_harness_negated.i [2024-11-02 11:23:20,823 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:23:20,823 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:23:20,903 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:23:20,911 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;@3560d66e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:23:20,911 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:23:20,917 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 55 states have internal predecessors, (64), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-02 11:23:20,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-02 11:23:20,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:23:20,926 INFO L215 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:23:20,927 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:23:20,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:23:20,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1044008904, now seen corresponding path program 1 times [2024-11-02 11:23:20,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:23:20,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596172462] [2024-11-02 11:23:20,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:23:20,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:23:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:23:29,693 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-02 11:23:29,694 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:23:29,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596172462] [2024-11-02 11:23:29,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596172462] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-02 11:23:29,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489326606] [2024-11-02 11:23:29,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:23:29,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 11:23:29,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b673add-504c-4f5a-9d50-e92b9520a15a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:23:29,699 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b673add-504c-4f5a-9d50-e92b9520a15a/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 11:23:29,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b673add-504c-4f5a-9d50-e92b9520a15a/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 11:23:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:23:38,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 4032 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 11:23:38,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:23:38,474 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-02 11:23:38,474 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:23:38,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489326606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:23:38,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-02 11:23:38,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-02 11:23:38,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66357705] [2024-11-02 11:23:38,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:23:38,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 11:23:38,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:23:38,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 11:23:38,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-02 11:23:38,512 INFO L87 Difference]: Start difference. First operand has 99 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 55 states have internal predecessors, (64), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-02 11:23:40,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 11:23:42,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 11:23:45,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []