./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_42fcbade-85ba-4d18-a91d-784923004e02/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fcbade-85ba-4d18-a91d-784923004e02/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fcbade-85ba-4d18-a91d-784923004e02/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fcbade-85ba-4d18-a91d-784923004e02/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fcbade-85ba-4d18-a91d-784923004e02/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fcbade-85ba-4d18-a91d-784923004e02/bin/utaipan-verify-YMUCfTKeje --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 a3ce1d43d9985905fc5bc027d31321425feb97f8a5ea33de69c9c87c25abb975 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:55:23,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:55:23,381 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fcbade-85ba-4d18-a91d-784923004e02/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 05:55:23,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:55:23,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:55:23,415 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:55:23,416 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:55:23,416 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:55:23,417 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:55:23,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:55:23,419 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:55:23,419 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:55:23,420 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:55:23,420 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:55:23,421 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:55:23,421 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:55:23,422 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:55:23,423 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:55:23,423 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:55:23,424 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:55:23,424 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:55:23,425 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:55:23,426 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:55:23,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:55:23,427 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:55:23,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:55:23,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:55:23,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:55:23,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:55:23,430 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:55:23,430 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:55:23,431 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:55:23,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:55:23,432 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:55:23,433 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:55:23,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:55:23,433 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:55:23,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:55:23,434 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:55:23,435 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:55:23,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:55:23,436 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:55:23,439 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:55:23,440 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:55:23,440 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_42fcbade-85ba-4d18-a91d-784923004e02/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fcbade-85ba-4d18-a91d-784923004e02/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3ce1d43d9985905fc5bc027d31321425feb97f8a5ea33de69c9c87c25abb975 [2024-11-09 05:55:23,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:55:23,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:55:23,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:55:23,886 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:55:23,887 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:55:23,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fcbade-85ba-4d18-a91d-784923004e02/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i Unable to find full path for "g++" [2024-11-09 05:55:26,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:55:27,088 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:55:27,089 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fcbade-85ba-4d18-a91d-784923004e02/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2024-11-09 05:55:27,165 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fcbade-85ba-4d18-a91d-784923004e02/bin/utaipan-verify-YMUCfTKeje/data/8aff0a0ad/92bd9eccd657485f96da3335e07d057d/FLAG64a42dba9 [2024-11-09 05:55:27,505 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fcbade-85ba-4d18-a91d-784923004e02/bin/utaipan-verify-YMUCfTKeje/data/8aff0a0ad/92bd9eccd657485f96da3335e07d057d [2024-11-09 05:55:27,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:55:27,514 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:55:27,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:55:27,516 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:55:27,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:55:27,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:55:27" (1/1) ... [2024-11-09 05:55:27,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5444236d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:27, skipping insertion in model container [2024-11-09 05:55:27,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:55:27" (1/1) ... [2024-11-09 05:55:27,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:55:28,256 WARN L250 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_42fcbade-85ba-4d18-a91d-784923004e02/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2024-11-09 05:55:28,272 WARN L250 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_42fcbade-85ba-4d18-a91d-784923004e02/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2024-11-09 05:55:29,592 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:29,593 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:29,593 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:29,594 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:29,596 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:29,619 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:29,624 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:29,631 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:29,632 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:29,635 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:29,636 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:29,637 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:29,638 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,306 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,307 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,344 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,345 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,354 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,354 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,374 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,376 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,376 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,377 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,378 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,378 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,379 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,431 WARN L250 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_42fcbade-85ba-4d18-a91d-784923004e02/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[230833,230846] [2024-11-09 05:55:31,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:55:31,497 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:55:31,513 WARN L250 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_42fcbade-85ba-4d18-a91d-784923004e02/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2024-11-09 05:55:31,514 WARN L250 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_42fcbade-85ba-4d18-a91d-784923004e02/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2024-11-09 05:55:31,562 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,562 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,563 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,563 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,564 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,571 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,572 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,573 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,574 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,575 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,576 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,576 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,577 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2024-11-09 05:55:31,803 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,804 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,821 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,822 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,825 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,830 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,845 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,846 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,847 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,847 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,848 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,848 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:31,849 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:55:32,006 WARN L250 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_42fcbade-85ba-4d18-a91d-784923004e02/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[230833,230846] [2024-11-09 05:55:32,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:55:32,315 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:55:32,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:32 WrapperNode [2024-11-09 05:55:32,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:55:32,319 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:55:32,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:55:32,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:55:32,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:32" (1/1) ... [2024-11-09 05:55:32,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:32" (1/1) ... [2024-11-09 05:55:32,577 INFO L138 Inliner]: procedures = 763, calls = 2477, calls flagged for inlining = 68, calls inlined = 5, statements flattened = 533 [2024-11-09 05:55:32,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:55:32,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:55:32,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:55:32,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:55:32,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:32" (1/1) ... [2024-11-09 05:55:32,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:32" (1/1) ... [2024-11-09 05:55:32,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:32" (1/1) ... [2024-11-09 05:55:32,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:32" (1/1) ... [2024-11-09 05:55:32,693 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:32" (1/1) ... [2024-11-09 05:55:32,715 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:32" (1/1) ... [2024-11-09 05:55:32,734 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:32" (1/1) ... [2024-11-09 05:55:32,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:32" (1/1) ... [2024-11-09 05:55:32,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:55:32,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:55:32,760 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:55:32,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:55:32,761 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:32" (1/1) ... [2024-11-09 05:55:32,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:55:32,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fcbade-85ba-4d18-a91d-784923004e02/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:55:32,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fcbade-85ba-4d18-a91d-784923004e02/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:55:32,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fcbade-85ba-4d18-a91d-784923004e02/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:55:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-09 05:55:32,857 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-09 05:55:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-09 05:55:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-09 05:55:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:55:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 05:55:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 05:55:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 05:55:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:55:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 05:55:32,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 05:55:32,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:55:32,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:55:32,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:55:32,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:55:32,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:55:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 05:55:32,861 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 05:55:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 05:55:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-11-09 05:55:32,862 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-11-09 05:55:32,862 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:55:32,862 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:55:32,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:55:32,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 05:55:32,863 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 05:55:32,863 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 05:55:32,863 INFO L130 BoogieDeclarations]: Found specification of procedure hashlittle2 [2024-11-09 05:55:32,863 INFO L138 BoogieDeclarations]: Found implementation of procedure hashlittle2 [2024-11-09 05:55:32,864 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 05:55:32,864 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 05:55:32,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:55:32,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:55:33,254 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:55:33,257 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:55:38,384 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !true; [2024-11-09 05:55:38,494 INFO L? ?]: Removed 381 outVars from TransFormulas that were not future-live. [2024-11-09 05:55:38,494 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:55:40,729 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:55:40,731 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 05:55:40,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:55:40 BoogieIcfgContainer [2024-11-09 05:55:40,732 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:55:40,734 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:55:40,736 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:55:40,741 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:55:40,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:55:27" (1/3) ... [2024-11-09 05:55:40,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bcea6a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:55:40, skipping insertion in model container [2024-11-09 05:55:40,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:55:32" (2/3) ... [2024-11-09 05:55:40,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bcea6a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:55:40, skipping insertion in model container [2024-11-09 05:55:40,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:55:40" (3/3) ... [2024-11-09 05:55:40,745 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_string_harness.i [2024-11-09 05:55:40,769 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:55:40,769 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:55:40,860 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:55:40,868 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;@2c2a56ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:55:40,868 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:55:40,874 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 68 states have (on average 1.5) internal successors, (102), 68 states have internal predecessors, (102), 15 states have call successors, (15), 10 states have call predecessors, (15), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 05:55:40,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 05:55:40,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:55:40,888 INFO L215 NwaCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:55:40,888 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:55:40,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:55:40,896 INFO L85 PathProgramCache]: Analyzing trace with hash -784496397, now seen corresponding path program 1 times [2024-11-09 05:55:40,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:55:40,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19480597] [2024-11-09 05:55:40,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:55:40,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:55:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat