./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness_negated.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_4998b96b-3966-49a2-bc4f-e2850607c591/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4998b96b-3966-49a2-bc4f-e2850607c591/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_4998b96b-3966-49a2-bc4f-e2850607c591/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4998b96b-3966-49a2-bc4f-e2850607c591/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4998b96b-3966-49a2-bc4f-e2850607c591/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_4998b96b-3966-49a2-bc4f-e2850607c591/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 5d9c9690ebf4d597a96d56bea07230a5398e6c36b9eab0d2fba1dbd8091088b4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:24:37,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:24:37,975 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4998b96b-3966-49a2-bc4f-e2850607c591/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 11:24:37,982 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:24:37,983 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:24:38,023 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:24:38,024 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:24:38,024 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:24:38,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:24:38,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:24:38,029 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:24:38,029 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:24:38,029 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:24:38,033 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:24:38,033 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:24:38,033 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:24:38,034 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:24:38,034 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:24:38,034 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:24:38,034 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:24:38,035 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:24:38,036 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:24:38,036 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:24:38,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:24:38,037 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:24:38,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:24:38,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:24:38,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:24:38,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:24:38,038 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:24:38,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:24:38,039 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:24:38,039 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:24:38,039 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:24:38,039 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:24:38,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:24:38,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:24:38,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:24:38,040 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:24:38,041 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:24:38,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:24:38,041 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:24:38,042 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:24:38,042 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:24:38,042 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_4998b96b-3966-49a2-bc4f-e2850607c591/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4998b96b-3966-49a2-bc4f-e2850607c591/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d9c9690ebf4d597a96d56bea07230a5398e6c36b9eab0d2fba1dbd8091088b4 [2024-11-02 11:24:38,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:24:38,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:24:38,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:24:38,390 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:24:38,390 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:24:38,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4998b96b-3966-49a2-bc4f-e2850607c591/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness_negated.i Unable to find full path for "g++" [2024-11-02 11:24:40,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:24:41,208 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:24:41,211 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4998b96b-3966-49a2-bc4f-e2850607c591/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness_negated.i [2024-11-02 11:24:41,247 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4998b96b-3966-49a2-bc4f-e2850607c591/bin/utaipan-verify-DbMuA5NWw2/data/5502af5f7/a82bc489dffa438e83864c20421d2122/FLAGc8defb313 [2024-11-02 11:24:41,270 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4998b96b-3966-49a2-bc4f-e2850607c591/bin/utaipan-verify-DbMuA5NWw2/data/5502af5f7/a82bc489dffa438e83864c20421d2122 [2024-11-02 11:24:41,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:24:41,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:24:41,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:24:41,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:24:41,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:24:41,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:24:41" (1/1) ... [2024-11-02 11:24:41,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7c166d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:41, skipping insertion in model container [2024-11-02 11:24:41,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:24:41" (1/1) ... [2024-11-02 11:24:41,429 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:24:41,814 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_4998b96b-3966-49a2-bc4f-e2850607c591/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness_negated.i[4493,4506] [2024-11-02 11:24:41,825 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_4998b96b-3966-49a2-bc4f-e2850607c591/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness_negated.i[4553,4566] [2024-11-02 11:24:43,119 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:43,121 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:43,121 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:43,123 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:43,127 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:43,147 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:43,148 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:43,151 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:43,152 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:43,155 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:43,156 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:43,157 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:43,158 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:43,932 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:43,955 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:44,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:24:44,093 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:24:44,125 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_4998b96b-3966-49a2-bc4f-e2850607c591/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness_negated.i[4493,4506] [2024-11-02 11:24:44,126 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_4998b96b-3966-49a2-bc4f-e2850607c591/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness_negated.i[4553,4566] [2024-11-02 11:24:44,246 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:44,247 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:44,248 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:44,249 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:44,250 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:44,269 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:44,270 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:44,275 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:44,275 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:44,277 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:44,280 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:44,280 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:44,281 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:44,436 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:44,444 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:44,454 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7737-7748] [2024-11-02 11:24:44,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:24:44,780 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:24:44,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:44 WrapperNode [2024-11-02 11:24:44,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:24:44,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:24:44,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:24:44,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:24:44,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:44" (1/1) ... [2024-11-02 11:24:44,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:44" (1/1) ... [2024-11-02 11:24:45,010 INFO L138 Inliner]: procedures = 680, calls = 1678, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 656 [2024-11-02 11:24:45,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:24:45,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:24:45,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:24:45,011 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:24:45,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:44" (1/1) ... [2024-11-02 11:24:45,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:44" (1/1) ... [2024-11-02 11:24:45,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:44" (1/1) ... [2024-11-02 11:24:45,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:44" (1/1) ... [2024-11-02 11:24:45,084 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:44" (1/1) ... [2024-11-02 11:24:45,093 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:44" (1/1) ... [2024-11-02 11:24:45,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:44" (1/1) ... [2024-11-02 11:24:45,115 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:44" (1/1) ... [2024-11-02 11:24:45,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:24:45,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:24:45,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:24:45,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:24:45,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:44" (1/1) ... [2024-11-02 11:24:45,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:24:45,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4998b96b-3966-49a2-bc4f-e2850607c591/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:24:45,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4998b96b-3966-49a2-bc4f-e2850607c591/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:24:45,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4998b96b-3966-49a2-bc4f-e2850607c591/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:24:45,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 11:24:45,237 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-02 11:24:45,237 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-02 11:24:45,237 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-02 11:24:45,237 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-02 11:24:45,237 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 11:24:45,237 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 11:24:45,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 11:24:45,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 11:24:45,238 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-02 11:24:45,238 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-02 11:24:45,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 11:24:45,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 11:24:45,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 11:24:45,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:24:45,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 11:24:45,239 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-02 11:24:45,239 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-02 11:24:45,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:24:45,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:24:45,240 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 11:24:45,240 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 11:24:45,240 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-02 11:24:45,240 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-02 11:24:45,240 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-02 11:24:45,240 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-02 11:24:45,241 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-02 11:24:45,241 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-02 11:24:45,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 11:24:45,241 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-02 11:24:45,242 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-02 11:24:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-02 11:24:45,242 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-02 11:24:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:24:45,243 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:24:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-02 11:24:45,243 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-02 11:24:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 11:24:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 11:24:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 11:24:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 11:24:45,244 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 11:24:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-02 11:24:45,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-02 11:24:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 11:24:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-02 11:24:45,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-02 11:24:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:24:45,586 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:24:45,588 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:24:50,010 INFO L? ?]: Removed 126 outVars from TransFormulas that were not future-live. [2024-11-02 11:24:50,011 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:24:50,484 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:24:50,485 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:24:50,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:24:50 BoogieIcfgContainer [2024-11-02 11:24:50,485 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:24:50,488 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:24:50,488 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:24:50,492 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:24:50,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:24:41" (1/3) ... [2024-11-02 11:24:50,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f695947 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:24:50, skipping insertion in model container [2024-11-02 11:24:50,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:44" (2/3) ... [2024-11-02 11:24:50,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f695947 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:24:50, skipping insertion in model container [2024-11-02 11:24:50,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:24:50" (3/3) ... [2024-11-02 11:24:50,495 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_back_harness_negated.i [2024-11-02 11:24:50,515 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:24:50,516 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:24:50,602 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:24:50,610 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;@39e9410, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:24:50,613 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:24:50,619 INFO L276 IsEmpty]: Start isEmpty. Operand has 155 states, 81 states have (on average 1.1728395061728396) internal successors, (95), 82 states have internal predecessors, (95), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-02 11:24:50,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-02 11:24:50,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:24:50,636 INFO L215 NwaCegarLoop]: trace histogram [10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:24:50,637 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:24:50,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:24:50,644 INFO L85 PathProgramCache]: Analyzing trace with hash 2060268781, now seen corresponding path program 1 times [2024-11-02 11:24:50,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:24:50,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750735657] [2024-11-02 11:24:50,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:24:50,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:24:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:25:01,611 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-02 11:25:01,612 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:25:01,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750735657] [2024-11-02 11:25:01,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750735657] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-02 11:25:01,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423775930] [2024-11-02 11:25:01,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:01,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 11:25:01,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4998b96b-3966-49a2-bc4f-e2850607c591/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:25:01,617 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4998b96b-3966-49a2-bc4f-e2850607c591/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 11:25:01,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4998b96b-3966-49a2-bc4f-e2850607c591/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 11:25:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:25:09,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 4194 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 11:25:09,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:25:09,824 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-02 11:25:09,829 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:25:09,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423775930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:25:09,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-02 11:25:09,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-02 11:25:09,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690571316] [2024-11-02 11:25:09,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:25:09,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 11:25:09,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:25:09,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 11:25:09,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-02 11:25:09,863 INFO L87 Difference]: Start difference. First operand has 155 states, 81 states have (on average 1.1728395061728396) internal successors, (95), 82 states have internal predecessors, (95), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-02 11:25:11,976 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 []