./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.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_7cd03230-48a9-4d39-9dc2-d5342d740f3a/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd03230-48a9-4d39-9dc2-d5342d740f3a/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_7cd03230-48a9-4d39-9dc2-d5342d740f3a/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd03230-48a9-4d39-9dc2-d5342d740f3a/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd03230-48a9-4d39-9dc2-d5342d740f3a/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_7cd03230-48a9-4d39-9dc2-d5342d740f3a/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 49bf9fd75d56d44e7e1e54aefea9fad1d2b78cb24b15e9eb5cce5de020ddf3d7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:29:44,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:29:44,224 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd03230-48a9-4d39-9dc2-d5342d740f3a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 04:29:44,231 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:29:44,234 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:29:44,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:29:44,275 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:29:44,275 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:29:44,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:29:44,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:29:44,278 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:29:44,279 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:29:44,279 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:29:44,282 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:29:44,282 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:29:44,283 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:29:44,283 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:29:44,283 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:29:44,284 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:29:44,284 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:29:44,284 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:29:44,289 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:29:44,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:29:44,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:29:44,290 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:29:44,290 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:29:44,290 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:29:44,291 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:29:44,291 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:29:44,291 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:29:44,291 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:29:44,292 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:29:44,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:29:44,292 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:29:44,292 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:29:44,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:44,293 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:29:44,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:29:44,294 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:29:44,294 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:29:44,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:29:44,296 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:29:44,296 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:29:44,296 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:29:44,297 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_7cd03230-48a9-4d39-9dc2-d5342d740f3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd03230-48a9-4d39-9dc2-d5342d740f3a/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49bf9fd75d56d44e7e1e54aefea9fad1d2b78cb24b15e9eb5cce5de020ddf3d7 [2024-11-09 04:29:44,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:29:44,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:29:44,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:29:44,659 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:29:44,660 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:29:44,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd03230-48a9-4d39-9dc2-d5342d740f3a/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i Unable to find full path for "g++" [2024-11-09 04:29:46,610 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:29:47,175 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:29:47,176 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd03230-48a9-4d39-9dc2-d5342d740f3a/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i [2024-11-09 04:29:47,219 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd03230-48a9-4d39-9dc2-d5342d740f3a/bin/utaipan-verify-YMUCfTKeje/data/b37caeba5/6b2586e173b9464b9075d2a139da7060/FLAG8bda4c676 [2024-11-09 04:29:47,238 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd03230-48a9-4d39-9dc2-d5342d740f3a/bin/utaipan-verify-YMUCfTKeje/data/b37caeba5/6b2586e173b9464b9075d2a139da7060 [2024-11-09 04:29:47,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:29:47,243 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:29:47,245 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:47,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:29:47,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:29:47,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:47" (1/1) ... [2024-11-09 04:29:47,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c6c60e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:47, skipping insertion in model container [2024-11-09 04:29:47,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:47" (1/1) ... [2024-11-09 04:29:47,375 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:29:47,689 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_7cd03230-48a9-4d39-9dc2-d5342d740f3a/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i[4505,4518] [2024-11-09 04:29:47,697 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_7cd03230-48a9-4d39-9dc2-d5342d740f3a/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i[4565,4578] [2024-11-09 04:29:48,886 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:48,890 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:48,891 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:48,895 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:48,897 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:48,927 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:48,930 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:48,934 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:48,936 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:50,080 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:50,080 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:50,257 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:50,258 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:50,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:50,539 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:29:50,557 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_7cd03230-48a9-4d39-9dc2-d5342d740f3a/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i[4505,4518] [2024-11-09 04:29:50,561 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_7cd03230-48a9-4d39-9dc2-d5342d740f3a/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i[4565,4578] [2024-11-09 04:29:50,622 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:50,623 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:50,623 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:50,627 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:50,628 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:50,643 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:50,643 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:50,645 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:50,645 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:50,771 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:50,771 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:50,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8265] [2024-11-09 04:29:50,864 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:50,864 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:29:50,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8751-8762] [2024-11-09 04:29:50,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:51,316 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:29:51,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:51 WrapperNode [2024-11-09 04:29:51,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:51,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:51,318 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:29:51,318 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:29:51,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:51" (1/1) ... [2024-11-09 04:29:51,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:51" (1/1) ... [2024-11-09 04:29:51,574 INFO L138 Inliner]: procedures = 680, calls = 2646, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 971 [2024-11-09 04:29:51,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:51,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:29:51,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:29:51,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:29:51,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:51" (1/1) ... [2024-11-09 04:29:51,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:51" (1/1) ... [2024-11-09 04:29:51,604 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:51" (1/1) ... [2024-11-09 04:29:51,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:51" (1/1) ... [2024-11-09 04:29:51,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:51" (1/1) ... [2024-11-09 04:29:51,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:51" (1/1) ... [2024-11-09 04:29:51,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:51" (1/1) ... [2024-11-09 04:29:51,699 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:51" (1/1) ... [2024-11-09 04:29:51,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:29:51,713 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:29:51,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:29:51,714 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:29:51,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:51" (1/1) ... [2024-11-09 04:29:51,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:51,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd03230-48a9-4d39-9dc2-d5342d740f3a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:29:51,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd03230-48a9-4d39-9dc2-d5342d740f3a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:29:51,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd03230-48a9-4d39-9dc2-d5342d740f3a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:29:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 04:29:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 04:29:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-09 04:29:51,801 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-09 04:29:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 04:29:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 04:29:51,801 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 04:29:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 04:29:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 04:29:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 04:29:51,802 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 04:29:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 04:29:51,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 04:29:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 04:29:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:29:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 04:29:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:29:51,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:29:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 04:29:51,803 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 04:29:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 04:29:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:29:51,803 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:29:51,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 04:29:51,805 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-09 04:29:51,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-09 04:29:51,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 04:29:51,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 04:29:51,806 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 04:29:51,806 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 04:29:51,806 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-09 04:29:51,807 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-09 04:29:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2024-11-09 04:29:51,807 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2024-11-09 04:29:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 04:29:51,807 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 04:29:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 04:29:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:29:52,154 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:29:52,157 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:29:59,775 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-09 04:29:59,775 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:30:00,646 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:30:00,647 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:30:00,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:30:00 BoogieIcfgContainer [2024-11-09 04:30:00,648 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:30:00,650 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:30:00,650 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:30:00,654 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:30:00,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:29:47" (1/3) ... [2024-11-09 04:30:00,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc0730f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:30:00, skipping insertion in model container [2024-11-09 04:30:00,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:51" (2/3) ... [2024-11-09 04:30:00,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc0730f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:30:00, skipping insertion in model container [2024-11-09 04:30:00,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:30:00" (3/3) ... [2024-11-09 04:30:00,659 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_with_lookup_harness_negated.i [2024-11-09 04:30:00,678 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:30:00,679 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:30:00,759 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:30:00,767 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;@68c8597e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:30:00,768 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:30:00,775 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 61 states have (on average 1.180327868852459) internal successors, (72), 62 states have internal predecessors, (72), 44 states have call successors, (44), 12 states have call predecessors, (44), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-09 04:30:00,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 04:30:00,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:30:00,786 INFO L215 NwaCegarLoop]: trace histogram [8, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:30:00,789 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:30:00,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:30:00,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1387919526, now seen corresponding path program 1 times [2024-11-09 04:30:00,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:30:00,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009921749] [2024-11-09 04:30:00,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:00,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:32:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:33:17,348 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-09 04:33:17,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:33:17,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009921749] [2024-11-09 04:33:17,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009921749] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:33:17,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718792214] [2024-11-09 04:33:17,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:33:17,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:33:17,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd03230-48a9-4d39-9dc2-d5342d740f3a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:33:17,355 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd03230-48a9-4d39-9dc2-d5342d740f3a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:33:17,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd03230-48a9-4d39-9dc2-d5342d740f3a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process