./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da63f690-f793-4f0e-93dc-4e451fba4ec1/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da63f690-f793-4f0e-93dc-4e451fba4ec1/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da63f690-f793-4f0e-93dc-4e451fba4ec1/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da63f690-f793-4f0e-93dc-4e451fba4ec1/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da63f690-f793-4f0e-93dc-4e451fba4ec1/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da63f690-f793-4f0e-93dc-4e451fba4ec1/bin/utaipan-verify-sOmjnqqW8E --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 08bedf130def9ff60f4cf2e9bb71ec26d1fb4e6ee787835be29e85d2a9a146c4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:47:09,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:47:09,335 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da63f690-f793-4f0e-93dc-4e451fba4ec1/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-13 23:47:09,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:47:09,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:47:09,377 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:47:09,379 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:47:09,379 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:47:09,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:47:09,380 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:47:09,380 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:47:09,380 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:47:09,380 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:47:09,380 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:47:09,380 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:47:09,381 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:47:09,381 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:47:09,381 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:47:09,381 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:47:09,381 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:47:09,381 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:47:09,381 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:47:09,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:47:09,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:47:09,382 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:47:09,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:47:09,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:47:09,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:47:09,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:47:09,382 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:47:09,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:47:09,383 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:47:09,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:47:09,384 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:47:09,385 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:47:09,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:47:09,385 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:47:09,385 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:47:09,385 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:47:09,385 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:47:09,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:47:09,386 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:47:09,386 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:47:09,386 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:47:09,386 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_da63f690-f793-4f0e-93dc-4e451fba4ec1/bin/utaipan-verify-sOmjnqqW8E 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 -> 08bedf130def9ff60f4cf2e9bb71ec26d1fb4e6ee787835be29e85d2a9a146c4 [2024-11-13 23:47:09,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:47:09,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:47:09,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:47:09,743 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:47:09,744 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:47:09,745 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da63f690-f793-4f0e-93dc-4e451fba4ec1/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i Unable to find full path for "g++" [2024-11-13 23:47:11,795 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:47:12,333 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:47:12,337 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da63f690-f793-4f0e-93dc-4e451fba4ec1/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i [2024-11-13 23:47:12,385 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da63f690-f793-4f0e-93dc-4e451fba4ec1/bin/utaipan-verify-sOmjnqqW8E/data/a98340dc5/a442b16444314cc488afb57a30d8b6a4/FLAG3204b87eb [2024-11-13 23:47:12,866 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da63f690-f793-4f0e-93dc-4e451fba4ec1/bin/utaipan-verify-sOmjnqqW8E/data/a98340dc5/a442b16444314cc488afb57a30d8b6a4 [2024-11-13 23:47:12,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:47:12,871 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:47:12,873 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:47:12,873 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:47:12,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:47:12,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:47:12" (1/1) ... [2024-11-13 23:47:12,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@534a02f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:12, skipping insertion in model container [2024-11-13 23:47:12,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:47:12" (1/1) ... [2024-11-13 23:47:12,978 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:47:13,317 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_da63f690-f793-4f0e-93dc-4e451fba4ec1/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4497,4510] [2024-11-13 23:47:13,326 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_da63f690-f793-4f0e-93dc-4e451fba4ec1/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4557,4570] [2024-11-13 23:47:14,398 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:47:14,399 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:47:14,400 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:47:14,401 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:47:14,402 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:47:14,417 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:47:14,418 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:47:14,420 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:47:14,421 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:47:15,326 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:47:15,327 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:47:15,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:47:15,497 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:47:15,519 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_da63f690-f793-4f0e-93dc-4e451fba4ec1/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4497,4510] [2024-11-13 23:47:15,520 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_da63f690-f793-4f0e-93dc-4e451fba4ec1/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4557,4570] [2024-11-13 23:47:15,577 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:47:15,579 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:47:15,580 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:47:15,580 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:47:15,582 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:47:15,590 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:47:15,590 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:47:15,593 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:47:15,594 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:47:15,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-13 23:47:15,758 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:47:15,759 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 23:47:15,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-13 23:47:15,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:47:16,157 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:47:16,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:16 WrapperNode [2024-11-13 23:47:16,158 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:47:16,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:47:16,160 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:47:16,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:47:16,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:16" (1/1) ... [2024-11-13 23:47:16,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:16" (1/1) ... [2024-11-13 23:47:16,345 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 876 [2024-11-13 23:47:16,346 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:47:16,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:47:16,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:47:16,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:47:16,356 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:16" (1/1) ... [2024-11-13 23:47:16,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:16" (1/1) ... [2024-11-13 23:47:16,375 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:16" (1/1) ... [2024-11-13 23:47:16,376 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:16" (1/1) ... [2024-11-13 23:47:16,435 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:16" (1/1) ... [2024-11-13 23:47:16,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:16" (1/1) ... [2024-11-13 23:47:16,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:16" (1/1) ... [2024-11-13 23:47:16,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:16" (1/1) ... [2024-11-13 23:47:16,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:47:16,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:47:16,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:47:16,482 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:47:16,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:16" (1/1) ... [2024-11-13 23:47:16,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:47:16,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da63f690-f793-4f0e-93dc-4e451fba4ec1/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:47:16,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da63f690-f793-4f0e-93dc-4e451fba4ec1/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:47:16,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da63f690-f793-4f0e-93dc-4e451fba4ec1/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:47:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-13 23:47:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-13 23:47:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton32 [2024-11-13 23:47:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton32 [2024-11-13 23:47:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:47:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-13 23:47:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-13 23:47:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-13 23:47:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:47:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 23:47:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 23:47:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 23:47:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:47:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 23:47:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-13 23:47:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-13 23:47:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:47:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:47:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-13 23:47:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-13 23:47:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-13 23:47:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-13 23:47:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-13 23:47:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:47:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:47:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-13 23:47:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-13 23:47:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:47:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 23:47:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-13 23:47:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-13 23:47:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 23:47:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-13 23:47:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-13 23:47:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:47:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:47:16,941 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:47:16,943 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:47:23,579 INFO L? ?]: Removed 104 outVars from TransFormulas that were not future-live. [2024-11-13 23:47:23,579 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:47:24,897 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:47:24,897 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:47:24,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:47:24 BoogieIcfgContainer [2024-11-13 23:47:24,899 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:47:24,901 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:47:24,901 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:47:24,906 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:47:24,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:47:12" (1/3) ... [2024-11-13 23:47:24,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f505ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:47:24, skipping insertion in model container [2024-11-13 23:47:24,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:16" (2/3) ... [2024-11-13 23:47:24,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f505ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:47:24, skipping insertion in model container [2024-11-13 23:47:24,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:47:24" (3/3) ... [2024-11-13 23:47:24,908 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be32_harness.i [2024-11-13 23:47:24,924 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:47:24,925 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_be32_harness.i that has 12 procedures, 102 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 23:47:24,988 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:47:25,004 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;@f00e22f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:47:25,005 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:47:25,010 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 55 states have internal predecessors, (64), 35 states have call successors, (35), 11 states have call predecessors, (35), 11 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-13 23:47:25,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-13 23:47:25,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:47:25,021 INFO L215 NwaCegarLoop]: trace histogram [6, 4, 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] [2024-11-13 23:47:25,021 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:47:25,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:47:25,026 INFO L85 PathProgramCache]: Analyzing trace with hash -132453071, now seen corresponding path program 1 times [2024-11-13 23:47:25,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:47:25,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933550787] [2024-11-13 23:47:25,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:47:25,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:49:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:50:24,507 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-13 23:50:24,508 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:50:24,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933550787] [2024-11-13 23:50:24,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933550787] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:50:24,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210801238] [2024-11-13 23:50:24,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:50:24,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:50:24,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da63f690-f793-4f0e-93dc-4e451fba4ec1/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:50:24,512 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da63f690-f793-4f0e-93dc-4e451fba4ec1/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:50:24,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da63f690-f793-4f0e-93dc-4e451fba4ec1/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process