./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.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_642e56dc-dbfb-4c6d-87b3-fa6ff0c1e634/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_642e56dc-dbfb-4c6d-87b3-fa6ff0c1e634/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_642e56dc-dbfb-4c6d-87b3-fa6ff0c1e634/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_642e56dc-dbfb-4c6d-87b3-fa6ff0c1e634/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_642e56dc-dbfb-4c6d-87b3-fa6ff0c1e634/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_642e56dc-dbfb-4c6d-87b3-fa6ff0c1e634/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 e2319232de809c5fc7a2ae9b5bcaacd5710dfa5ecc8cc9afebba783e154bd6e0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:36:17,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:36:17,931 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_642e56dc-dbfb-4c6d-87b3-fa6ff0c1e634/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:36:17,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:36:17,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:36:17,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:36:17,962 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:36:17,963 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:36:17,964 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:36:17,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:36:17,965 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:36:17,965 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:36:17,966 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:36:17,966 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:36:17,966 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:36:17,967 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:36:17,967 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:36:17,968 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:36:17,968 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:36:17,969 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:36:17,969 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:36:17,970 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:36:17,971 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:36:17,971 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:36:17,972 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:36:17,972 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:36:17,972 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:36:17,973 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:36:17,973 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:36:17,974 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:36:17,974 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:36:17,974 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:36:17,975 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:36:17,975 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:36:17,976 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:36:17,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:36:17,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:36:17,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:36:17,978 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:36:17,978 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:36:17,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:36:17,979 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:36:17,979 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:36:17,980 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:36:17,980 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_642e56dc-dbfb-4c6d-87b3-fa6ff0c1e634/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_642e56dc-dbfb-4c6d-87b3-fa6ff0c1e634/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2319232de809c5fc7a2ae9b5bcaacd5710dfa5ecc8cc9afebba783e154bd6e0 [2024-11-02 12:36:18,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:36:18,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:36:18,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:36:18,357 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:36:18,358 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:36:18,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_642e56dc-dbfb-4c6d-87b3-fa6ff0c1e634/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i Unable to find full path for "g++" [2024-11-02 12:36:20,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:36:21,435 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:36:21,436 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_642e56dc-dbfb-4c6d-87b3-fa6ff0c1e634/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2024-11-02 12:36:21,482 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_642e56dc-dbfb-4c6d-87b3-fa6ff0c1e634/bin/utaipan-verify-DbMuA5NWw2/data/5c4487865/544e4c7937e149f7b5eedf86904ef5eb/FLAG18f421f61 [2024-11-02 12:36:21,502 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_642e56dc-dbfb-4c6d-87b3-fa6ff0c1e634/bin/utaipan-verify-DbMuA5NWw2/data/5c4487865/544e4c7937e149f7b5eedf86904ef5eb [2024-11-02 12:36:21,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:36:21,507 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:36:21,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:36:21,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:36:21,516 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:36:21,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:36:21" (1/1) ... [2024-11-02 12:36:21,520 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e8778d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:21, skipping insertion in model container [2024-11-02 12:36:21,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:36:21" (1/1) ... [2024-11-02 12:36:21,695 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:36:22,092 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_642e56dc-dbfb-4c6d-87b3-fa6ff0c1e634/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2024-11-02 12:36:22,104 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_642e56dc-dbfb-4c6d-87b3-fa6ff0c1e634/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2024-11-02 12:36:23,580 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:23,581 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:23,582 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:23,583 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:23,585 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:23,604 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:23,605 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:23,607 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:23,608 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:24,746 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:24,746 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,200 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,201 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,227 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,228 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,235 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,236 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,251 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,253 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,254 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,254 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,255 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,255 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,256 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:36:25,356 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:36:25,372 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_642e56dc-dbfb-4c6d-87b3-fa6ff0c1e634/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2024-11-02 12:36:25,373 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_642e56dc-dbfb-4c6d-87b3-fa6ff0c1e634/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2024-11-02 12:36:25,412 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,412 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,413 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,413 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,414 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,421 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,422 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,423 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,423 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8255] [2024-11-02 12:36:25,542 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,542 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,701 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,702 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,712 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,713 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,716 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,717 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,730 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,731 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,732 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,733 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,733 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,734 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,735 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:25,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:36:26,103 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:36:26,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:26 WrapperNode [2024-11-02 12:36:26,104 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:36:26,105 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:36:26,105 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:36:26,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:36:26,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:26" (1/1) ... [2024-11-02 12:36:26,248 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:26" (1/1) ... [2024-11-02 12:36:26,322 INFO L138 Inliner]: procedures = 757, calls = 3252, calls flagged for inlining = 78, calls inlined = 5, statements flattened = 338 [2024-11-02 12:36:26,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:36:26,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:36:26,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:36:26,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:36:26,335 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:26" (1/1) ... [2024-11-02 12:36:26,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:26" (1/1) ... [2024-11-02 12:36:26,344 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:26" (1/1) ... [2024-11-02 12:36:26,344 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:26" (1/1) ... [2024-11-02 12:36:26,402 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:26" (1/1) ... [2024-11-02 12:36:26,410 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:26" (1/1) ... [2024-11-02 12:36:26,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:26" (1/1) ... [2024-11-02 12:36:26,425 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:26" (1/1) ... [2024-11-02 12:36:26,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:36:26,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:36:26,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:36:26,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:36:26,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:26" (1/1) ... [2024-11-02 12:36:26,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:36:26,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_642e56dc-dbfb-4c6d-87b3-fa6ff0c1e634/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:36:26,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_642e56dc-dbfb-4c6d-87b3-fa6ff0c1e634/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:36:26,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_642e56dc-dbfb-4c6d-87b3-fa6ff0c1e634/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:36:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:36:26,520 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:36:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:36:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:36:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:36:26,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:36:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:36:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:36:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:36:26,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:36:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:36:26,522 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:36:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:36:26,523 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:36:26,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:36:26,523 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-02 12:36:26,523 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-02 12:36:26,523 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_c_str_is_allocated [2024-11-02 12:36:26,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_c_str_is_allocated [2024-11-02 12:36:26,524 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2024-11-02 12:36:26,524 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2024-11-02 12:36:26,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:36:26,880 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:36:26,885 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:36:32,560 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !true; [2024-11-02 12:36:32,645 INFO L? ?]: Removed 46 outVars from TransFormulas that were not future-live. [2024-11-02 12:36:32,645 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:36:33,096 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:36:33,097 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-02 12:36:33,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:36:33 BoogieIcfgContainer [2024-11-02 12:36:33,098 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:36:33,102 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:36:33,103 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:36:33,107 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:36:33,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:36:21" (1/3) ... [2024-11-02 12:36:33,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26153893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:36:33, skipping insertion in model container [2024-11-02 12:36:33,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:26" (2/3) ... [2024-11-02 12:36:33,111 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26153893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:36:33, skipping insertion in model container [2024-11-02 12:36:33,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:36:33" (3/3) ... [2024-11-02 12:36:33,114 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_c_str_eq_harness.i [2024-11-02 12:36:33,146 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:36:33,146 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:36:33,254 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:36:33,262 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;@78b2b4a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:36:33,263 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:36:33,270 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 34 states have internal predecessors, (40), 19 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-02 12:36:33,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-02 12:36:33,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:36:33,287 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] [2024-11-02 12:36:33,288 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:36:33,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:36:33,296 INFO L85 PathProgramCache]: Analyzing trace with hash 295058910, now seen corresponding path program 1 times [2024-11-02 12:36:33,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:36:33,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576506045] [2024-11-02 12:36:33,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:36:33,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms