./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 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_33a2708a-6796-4bf2-9193-c72151f56ac9/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a2708a-6796-4bf2-9193-c72151f56ac9/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_33a2708a-6796-4bf2-9193-c72151f56ac9/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a2708a-6796-4bf2-9193-c72151f56ac9/bin/utaipan-verify-YMUCfTKeje/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_33a2708a-6796-4bf2-9193-c72151f56ac9/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_33a2708a-6796-4bf2-9193-c72151f56ac9/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 08bedf130def9ff60f4cf2e9bb71ec26d1fb4e6ee787835be29e85d2a9a146c4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:06:26,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:06:26,675 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a2708a-6796-4bf2-9193-c72151f56ac9/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 01:06:26,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:06:26,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:06:26,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:06:26,703 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:06:26,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:06:26,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:06:26,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:06:26,705 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:06:26,706 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:06:26,706 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:06:26,707 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:06:26,707 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:06:26,708 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:06:26,708 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:06:26,708 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:06:26,709 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:06:26,709 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:06:26,710 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:06:26,710 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:06:26,711 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:06:26,711 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:06:26,712 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:06:26,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:06:26,712 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:06:26,713 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:06:26,713 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:06:26,713 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:06:26,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:06:26,714 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:06:26,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:06:26,717 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:06:26,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:06:26,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:06:26,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:06:26,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:06:26,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:06:26,719 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:06:26,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:06:26,720 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:06:26,721 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:06:26,721 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:06:26,721 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_33a2708a-6796-4bf2-9193-c72151f56ac9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a2708a-6796-4bf2-9193-c72151f56ac9/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08bedf130def9ff60f4cf2e9bb71ec26d1fb4e6ee787835be29e85d2a9a146c4 [2024-11-09 01:06:27,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:06:27,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:06:27,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:06:27,071 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:06:27,072 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:06:27,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a2708a-6796-4bf2-9193-c72151f56ac9/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i Unable to find full path for "g++" [2024-11-09 01:06:29,065 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:06:29,634 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:06:29,635 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a2708a-6796-4bf2-9193-c72151f56ac9/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i [2024-11-09 01:06:29,695 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a2708a-6796-4bf2-9193-c72151f56ac9/bin/utaipan-verify-YMUCfTKeje/data/6d754e3d4/2ae7913358574359884e718889fc65d2/FLAG71245fe32 [2024-11-09 01:06:29,719 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a2708a-6796-4bf2-9193-c72151f56ac9/bin/utaipan-verify-YMUCfTKeje/data/6d754e3d4/2ae7913358574359884e718889fc65d2 [2024-11-09 01:06:29,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:06:29,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:06:29,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:06:29,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:06:29,734 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:06:29,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:06:29" (1/1) ... [2024-11-09 01:06:29,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4566dad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:29, skipping insertion in model container [2024-11-09 01:06:29,738 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:06:29" (1/1) ... [2024-11-09 01:06:29,868 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:06:30,191 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_33a2708a-6796-4bf2-9193-c72151f56ac9/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4497,4510] [2024-11-09 01:06:30,201 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_33a2708a-6796-4bf2-9193-c72151f56ac9/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4557,4570] [2024-11-09 01:06:31,368 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 01:06:31,369 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 01:06:31,370 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 01:06:31,371 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 01:06:31,373 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 01:06:31,390 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 01:06:31,390 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 01:06:31,393 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 01:06:31,394 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 01:06:32,381 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 01:06:32,381 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 01:06:32,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:06:32,604 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:06:32,622 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_33a2708a-6796-4bf2-9193-c72151f56ac9/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4497,4510] [2024-11-09 01:06:32,622 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_33a2708a-6796-4bf2-9193-c72151f56ac9/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4557,4570] [2024-11-09 01:06:32,685 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 01:06:32,687 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 01:06:32,687 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 01:06:32,688 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 01:06:32,689 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 01:06:32,701 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 01:06:32,701 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 01:06:32,703 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 01:06:32,707 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 01:06:32,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-09 01:06:32,899 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 01:06:32,900 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 01:06:32,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-09 01:06:32,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:06:33,242 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:06:33,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:33 WrapperNode [2024-11-09 01:06:33,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:06:33,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:06:33,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:06:33,244 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:06:33,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:33" (1/1) ... [2024-11-09 01:06:33,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:33" (1/1) ... [2024-11-09 01:06:33,445 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 876 [2024-11-09 01:06:33,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:06:33,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:06:33,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:06:33,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:06:33,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:33" (1/1) ... [2024-11-09 01:06:33,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:33" (1/1) ... [2024-11-09 01:06:33,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:33" (1/1) ... [2024-11-09 01:06:33,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:33" (1/1) ... [2024-11-09 01:06:33,516 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:33" (1/1) ... [2024-11-09 01:06:33,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:33" (1/1) ... [2024-11-09 01:06:33,526 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:33" (1/1) ... [2024-11-09 01:06:33,531 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:33" (1/1) ... [2024-11-09 01:06:33,538 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:06:33,539 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:06:33,540 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:06:33,540 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:06:33,541 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:33" (1/1) ... [2024-11-09 01:06:33,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:06:33,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a2708a-6796-4bf2-9193-c72151f56ac9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:06:33,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a2708a-6796-4bf2-9193-c72151f56ac9/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:06:33,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a2708a-6796-4bf2-9193-c72151f56ac9/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:06:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 01:06:33,644 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 01:06:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton32 [2024-11-09 01:06:33,645 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton32 [2024-11-09 01:06:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 01:06:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 01:06:33,646 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 01:06:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 01:06:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 01:06:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 01:06:33,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 01:06:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 01:06:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:06:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 01:06:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-09 01:06:33,647 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-09 01:06:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:06:33,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:06:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 01:06:33,648 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 01:06:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 01:06:33,649 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 01:06:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 01:06:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:06:33,649 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:06:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 01:06:33,649 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 01:06:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 01:06:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 01:06:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-09 01:06:33,650 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-09 01:06:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 01:06:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 01:06:33,650 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 01:06:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 01:06:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:06:34,027 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:06:34,030 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:06:40,732 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2024-11-09 01:06:40,732 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:06:41,841 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:06:41,841 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:06:41,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:06:41 BoogieIcfgContainer [2024-11-09 01:06:41,842 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:06:41,844 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:06:41,845 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:06:41,848 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:06:41,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:06:29" (1/3) ... [2024-11-09 01:06:41,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b387b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:06:41, skipping insertion in model container [2024-11-09 01:06:41,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:33" (2/3) ... [2024-11-09 01:06:41,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b387b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:06:41, skipping insertion in model container [2024-11-09 01:06:41,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:06:41" (3/3) ... [2024-11-09 01:06:41,851 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be32_harness.i [2024-11-09 01:06:41,870 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:06:41,870 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:06:41,960 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:06:41,969 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;@3e4c46b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:06:41,969 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:06:41,974 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 57 states have internal predecessors, (67), 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) [2024-11-09 01:06:41,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 01:06:41,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:06:41,988 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] [2024-11-09 01:06:41,989 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:06:41,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:06:41,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1684177102, now seen corresponding path program 1 times [2024-11-09 01:06:42,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:06:42,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989812553] [2024-11-09 01:06:42,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:06:42,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:08:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:09:48,649 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 01:09:48,649 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:09:48,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989812553] [2024-11-09 01:09:48,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989812553] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:09:48,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892168822] [2024-11-09 01:09:48,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:09:48,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:09:48,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a2708a-6796-4bf2-9193-c72151f56ac9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:09:48,655 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a2708a-6796-4bf2-9193-c72151f56ac9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:09:48,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a2708a-6796-4bf2-9193-c72151f56ac9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process