./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_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_72d3dfc2-4a8f-46b3-ad75-828192eee1b9/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d3dfc2-4a8f-46b3-ad75-828192eee1b9/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_72d3dfc2-4a8f-46b3-ad75-828192eee1b9/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d3dfc2-4a8f-46b3-ad75-828192eee1b9/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d3dfc2-4a8f-46b3-ad75-828192eee1b9/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_72d3dfc2-4a8f-46b3-ad75-828192eee1b9/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 c3c8655ca5417ded3d08bcdd390cd006a1900a04b131deb295e26f4df52f9db1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:40:36,933 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:40:37,006 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d3dfc2-4a8f-46b3-ad75-828192eee1b9/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:40:37,010 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:40:37,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:40:37,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:40:37,033 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:40:37,034 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:40:37,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:40:37,035 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:40:37,036 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:40:37,036 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:40:37,037 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:40:37,041 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:40:37,041 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:40:37,042 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:40:37,042 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:40:37,042 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:40:37,043 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:40:37,043 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:40:37,043 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:40:37,048 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:40:37,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:40:37,050 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:40:37,050 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:40:37,054 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:40:37,055 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:40:37,055 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:40:37,055 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:40:37,056 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:40:37,056 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:40:37,056 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:40:37,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:40:37,057 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:40:37,057 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:40:37,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:40:37,057 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:40:37,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:40:37,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:40:37,058 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:40:37,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:40:37,060 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:40:37,061 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:40:37,061 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:40:37,062 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_72d3dfc2-4a8f-46b3-ad75-828192eee1b9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d3dfc2-4a8f-46b3-ad75-828192eee1b9/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3c8655ca5417ded3d08bcdd390cd006a1900a04b131deb295e26f4df52f9db1 [2024-11-02 12:40:37,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:40:37,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:40:37,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:40:37,444 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:40:37,444 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:40:37,446 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d3dfc2-4a8f-46b3-ad75-828192eee1b9/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness_negated.i Unable to find full path for "g++" [2024-11-02 12:40:39,672 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:40:40,295 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:40:40,296 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d3dfc2-4a8f-46b3-ad75-828192eee1b9/sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness_negated.i [2024-11-02 12:40:40,349 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d3dfc2-4a8f-46b3-ad75-828192eee1b9/bin/utaipan-verify-DbMuA5NWw2/data/52d36c60e/e0f1e66da31e41c39ae06f7765e0994b/FLAG3f45b8c78 [2024-11-02 12:40:40,372 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d3dfc2-4a8f-46b3-ad75-828192eee1b9/bin/utaipan-verify-DbMuA5NWw2/data/52d36c60e/e0f1e66da31e41c39ae06f7765e0994b [2024-11-02 12:40:40,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:40:40,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:40:40,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:40:40,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:40:40,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:40:40,385 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:40:40" (1/1) ... [2024-11-02 12:40:40,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f3086ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:40, skipping insertion in model container [2024-11-02 12:40:40,388 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:40:40" (1/1) ... [2024-11-02 12:40:40,574 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:40:40,993 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_72d3dfc2-4a8f-46b3-ad75-828192eee1b9/sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness_negated.i[4498,4511] [2024-11-02 12:40:41,005 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_72d3dfc2-4a8f-46b3-ad75-828192eee1b9/sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness_negated.i[4558,4571] [2024-11-02 12:40:42,364 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:42,369 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:42,370 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:42,371 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:42,376 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:42,411 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:42,412 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:42,419 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:42,420 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:43,460 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:43,461 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,037 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,039 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,075 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,076 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,083 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,083 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,098 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,099 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,100 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,101 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,101 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,102 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,102 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:40:44,212 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:40:44,232 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_72d3dfc2-4a8f-46b3-ad75-828192eee1b9/sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness_negated.i[4498,4511] [2024-11-02 12:40:44,235 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_72d3dfc2-4a8f-46b3-ad75-828192eee1b9/sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness_negated.i[4558,4571] [2024-11-02 12:40:44,288 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,288 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,289 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,289 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,290 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,298 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,299 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,301 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,301 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,447 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8256] [2024-11-02 12:40:44,449 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,452 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8742-8753] [2024-11-02 12:40:44,658 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,659 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,669 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,670 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,676 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,677 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,692 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,696 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,697 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,697 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,697 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,698 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,698 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:40:44,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:40:45,085 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:40:45,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:45 WrapperNode [2024-11-02 12:40:45,086 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:40:45,087 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:40:45,087 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:40:45,088 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:40:45,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:45" (1/1) ... [2024-11-02 12:40:45,219 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:45" (1/1) ... [2024-11-02 12:40:45,307 INFO L138 Inliner]: procedures = 765, calls = 3572, calls flagged for inlining = 77, calls inlined = 6, statements flattened = 799 [2024-11-02 12:40:45,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:40:45,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:40:45,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:40:45,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:40:45,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:45" (1/1) ... [2024-11-02 12:40:45,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:45" (1/1) ... [2024-11-02 12:40:45,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:45" (1/1) ... [2024-11-02 12:40:45,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:45" (1/1) ... [2024-11-02 12:40:45,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:45" (1/1) ... [2024-11-02 12:40:45,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:45" (1/1) ... [2024-11-02 12:40:45,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:45" (1/1) ... [2024-11-02 12:40:45,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:45" (1/1) ... [2024-11-02 12:40:45,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:40:45,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:40:45,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:40:45,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:40:45,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:45" (1/1) ... [2024-11-02 12:40:45,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:40:45,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d3dfc2-4a8f-46b3-ad75-828192eee1b9/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:40:45,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d3dfc2-4a8f-46b3-ad75-828192eee1b9/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:40:45,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d3dfc2-4a8f-46b3-ad75-828192eee1b9/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:40:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-02 12:40:45,561 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-02 12:40:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:40:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:40:45,562 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:40:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:40:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:40:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:40:45,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:40:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:40:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:40:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:40:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:40:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:40:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:40:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:40:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:40:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:40:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:40:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:40:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:40:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:40:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure hashlittle2 [2024-11-02 12:40:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure hashlittle2 [2024-11-02 12:40:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:40:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:40:45,950 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:40:45,952 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:40:54,308 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !true; [2024-11-02 12:40:54,420 INFO L? ?]: Removed 391 outVars from TransFormulas that were not future-live. [2024-11-02 12:40:54,420 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:40:57,611 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:40:57,612 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-02 12:40:57,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:40:57 BoogieIcfgContainer [2024-11-02 12:40:57,613 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:40:57,615 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:40:57,615 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:40:57,621 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:40:57,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:40:40" (1/3) ... [2024-11-02 12:40:57,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@349a8864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:40:57, skipping insertion in model container [2024-11-02 12:40:57,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:45" (2/3) ... [2024-11-02 12:40:57,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@349a8864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:40:57, skipping insertion in model container [2024-11-02 12:40:57,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:40:57" (3/3) ... [2024-11-02 12:40:57,626 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_byte_cursor_ptr_harness_negated.i [2024-11-02 12:40:57,648 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:40:57,648 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:40:57,743 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:40:57,755 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;@335db9e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:40:57,755 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:40:57,767 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 55 states have (on average 1.5636363636363637) internal successors, (86), 55 states have internal predecessors, (86), 13 states have call successors, (13), 6 states have call predecessors, (13), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-02 12:40:57,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-02 12:40:57,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:40:57,781 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:40:57,781 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:40:57,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:40:57,788 INFO L85 PathProgramCache]: Analyzing trace with hash 64257493, now seen corresponding path program 1 times [2024-11-02 12:40:57,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:40:57,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547496424] [2024-11-02 12:40:57,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:40:57,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms