./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_a07c405d-a41e-44a1-b426-960adf367e4f/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07c405d-a41e-44a1-b426-960adf367e4f/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_a07c405d-a41e-44a1-b426-960adf367e4f/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07c405d-a41e-44a1-b426-960adf367e4f/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07c405d-a41e-44a1-b426-960adf367e4f/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_a07c405d-a41e-44a1-b426-960adf367e4f/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 848e8aaf2da1050f60bda552a6204df78dfc0f4df819a9c6dc06d2a6a5e3d82f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:47:59,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:47:59,853 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07c405d-a41e-44a1-b426-960adf367e4f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 05:47:59,857 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:47:59,858 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:47:59,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:47:59,881 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:47:59,881 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:47:59,882 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:47:59,883 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:47:59,883 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:47:59,883 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:47:59,884 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:47:59,884 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:47:59,885 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:47:59,885 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:47:59,886 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:47:59,886 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:47:59,886 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:47:59,887 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:47:59,887 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:47:59,892 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:47:59,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:47:59,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:47:59,893 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:47:59,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:47:59,893 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:47:59,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:47:59,894 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:47:59,894 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:47:59,894 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:47:59,895 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:47:59,895 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:47:59,896 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:47:59,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:47:59,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:47:59,896 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:47:59,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:47:59,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:47:59,897 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:47:59,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:47:59,902 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:47:59,902 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:47:59,902 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:47:59,902 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_a07c405d-a41e-44a1-b426-960adf367e4f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07c405d-a41e-44a1-b426-960adf367e4f/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 848e8aaf2da1050f60bda552a6204df78dfc0f4df819a9c6dc06d2a6a5e3d82f [2024-11-09 05:48:00,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:48:00,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:48:00,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:48:00,211 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:48:00,212 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:48:00,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07c405d-a41e-44a1-b426-960adf367e4f/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i Unable to find full path for "g++" [2024-11-09 05:48:02,174 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:48:02,845 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:48:02,846 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07c405d-a41e-44a1-b426-960adf367e4f/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i [2024-11-09 05:48:02,895 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07c405d-a41e-44a1-b426-960adf367e4f/bin/utaipan-verify-YMUCfTKeje/data/14e36eb00/42593ca8a2a749e9985057b1b422bb57/FLAG7c6925690 [2024-11-09 05:48:03,251 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07c405d-a41e-44a1-b426-960adf367e4f/bin/utaipan-verify-YMUCfTKeje/data/14e36eb00/42593ca8a2a749e9985057b1b422bb57 [2024-11-09 05:48:03,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:48:03,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:48:03,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:48:03,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:48:03,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:48:03,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:48:03" (1/1) ... [2024-11-09 05:48:03,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f694b00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:03, skipping insertion in model container [2024-11-09 05:48:03,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:48:03" (1/1) ... [2024-11-09 05:48:03,418 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:48:03,725 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_a07c405d-a41e-44a1-b426-960adf367e4f/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4497,4510] [2024-11-09 05:48:03,735 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_a07c405d-a41e-44a1-b426-960adf367e4f/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4557,4570] [2024-11-09 05:48:05,132 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:48:05,133 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:48:05,134 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:48:05,135 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:48:05,136 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:48:05,153 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:48:05,154 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:48:05,157 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:48:05,157 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:48:06,264 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:48:06,264 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:48:06,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:48:06,478 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:48:06,495 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_a07c405d-a41e-44a1-b426-960adf367e4f/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4497,4510] [2024-11-09 05:48:06,500 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_a07c405d-a41e-44a1-b426-960adf367e4f/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4557,4570] [2024-11-09 05:48:06,557 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:48:06,558 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:48:06,559 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:48:06,559 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:48:06,560 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:48:06,569 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:48:06,572 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:48:06,573 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:48:06,577 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:48:06,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-09 05:48:06,755 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:48:06,756 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:48:06,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-09 05:48:06,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:48:07,157 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:48:07,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:07 WrapperNode [2024-11-09 05:48:07,159 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:48:07,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:48:07,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:48:07,161 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:48:07,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:07" (1/1) ... [2024-11-09 05:48:07,294 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:07" (1/1) ... [2024-11-09 05:48:07,400 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 871 [2024-11-09 05:48:07,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:48:07,403 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:48:07,404 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:48:07,404 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:48:07,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:07" (1/1) ... [2024-11-09 05:48:07,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:07" (1/1) ... [2024-11-09 05:48:07,433 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:07" (1/1) ... [2024-11-09 05:48:07,434 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:07" (1/1) ... [2024-11-09 05:48:07,498 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:07" (1/1) ... [2024-11-09 05:48:07,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:07" (1/1) ... [2024-11-09 05:48:07,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:07" (1/1) ... [2024-11-09 05:48:07,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:07" (1/1) ... [2024-11-09 05:48:07,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:48:07,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:48:07,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:48:07,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:48:07,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:07" (1/1) ... [2024-11-09 05:48:07,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:48:07,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07c405d-a41e-44a1-b426-960adf367e4f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:07,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07c405d-a41e-44a1-b426-960adf367e4f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:48:07,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07c405d-a41e-44a1-b426-960adf367e4f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:48:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton64 [2024-11-09 05:48:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton64 [2024-11-09 05:48:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 05:48:07,624 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 05:48:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:48:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 05:48:07,625 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 05:48:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 05:48:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:48:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 05:48:07,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 05:48:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:48:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:48:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:48:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-09 05:48:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-09 05:48:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:48:07,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:48:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 05:48:07,628 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 05:48:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 05:48:07,629 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 05:48:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 05:48:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:48:07,629 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:48:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 05:48:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 05:48:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:48:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:48:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-09 05:48:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-09 05:48:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 05:48:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 05:48:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 05:48:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 05:48:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 05:48:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:48:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_big_endian [2024-11-09 05:48:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_big_endian [2024-11-09 05:48:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:48:07,989 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:48:07,992 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:48:15,379 INFO L? ?]: Removed 114 outVars from TransFormulas that were not future-live. [2024-11-09 05:48:15,379 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:48:16,112 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:48:16,112 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:48:16,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:48:16 BoogieIcfgContainer [2024-11-09 05:48:16,113 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:48:16,115 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:48:16,115 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:48:16,119 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:48:16,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:48:03" (1/3) ... [2024-11-09 05:48:16,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2f7f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:48:16, skipping insertion in model container [2024-11-09 05:48:16,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:07" (2/3) ... [2024-11-09 05:48:16,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2f7f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:48:16, skipping insertion in model container [2024-11-09 05:48:16,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:48:16" (3/3) ... [2024-11-09 05:48:16,122 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be64_harness.i [2024-11-09 05:48:16,141 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:48:16,142 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:48:16,211 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:48:16,218 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;@583a967e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:48:16,219 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:48:16,223 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 60 states have (on average 1.1833333333333333) internal successors, (71), 61 states have internal predecessors, (71), 37 states have call successors, (37), 13 states have call predecessors, (37), 13 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:48:16,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 05:48:16,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:16,236 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:16,236 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:48:16,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:16,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1398507913, now seen corresponding path program 1 times [2024-11-09 05:48:16,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:16,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479434463] [2024-11-09 05:48:16,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:16,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:58,539 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 05:51:58,540 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:51:58,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479434463] [2024-11-09 05:51:58,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479434463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:51:58,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053497535] [2024-11-09 05:51:58,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:58,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:51:58,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07c405d-a41e-44a1-b426-960adf367e4f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:51:58,548 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07c405d-a41e-44a1-b426-960adf367e4f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:51:58,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07c405d-a41e-44a1-b426-960adf367e4f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:53:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:53:59,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 7687 conjuncts, 106 conjuncts are in the unsatisfiable core [2024-11-09 05:53:59,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:53:59,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-09 05:54:03,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:54:03,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-09 05:54:03,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:54:03,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-09 05:54:03,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-09 05:54:05,097 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 05:54:05,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 05:54:06,002 INFO L349 Elim1Store]: treesize reduction 52, result has 30.7 percent of original size [2024-11-09 05:54:06,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 29 [2024-11-09 05:54:06,237 INFO L349 Elim1Store]: treesize reduction 52, result has 30.7 percent of original size [2024-11-09 05:54:06,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 29 [2024-11-09 05:54:35,877 INFO L349 Elim1Store]: treesize reduction 68, result has 39.3 percent of original size [2024-11-09 05:54:35,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 95 treesize of output 122 [2024-11-09 05:54:37,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:54:38,204 INFO L349 Elim1Store]: treesize reduction 120, result has 36.8 percent of original size [2024-11-09 05:54:38,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 105 treesize of output 151 [2024-11-09 05:54:42,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:54:42,524 INFO L349 Elim1Store]: treesize reduction 48, result has 28.4 percent of original size [2024-11-09 05:54:42,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 192 treesize of output 183 [2024-11-09 05:54:43,041 INFO L349 Elim1Store]: treesize reduction 4, result has 91.8 percent of original size [2024-11-09 05:54:43,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 113 [2024-11-09 05:54:43,232 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-11-09 05:54:43,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 127 treesize of output 129 [2024-11-09 05:54:49,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 49 [2024-11-09 05:55:44,317 INFO L349 Elim1Store]: treesize reduction 80, result has 51.5 percent of original size [2024-11-09 05:55:44,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 287 treesize of output 334 [2024-11-09 05:55:44,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 49 [2024-11-09 05:55:44,693 INFO L349 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2024-11-09 05:55:44,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 216 treesize of output 233