./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_23a26e19-beef-47e2-b4bd-3fee8b3d6e7d/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a26e19-beef-47e2-b4bd-3fee8b3d6e7d/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a26e19-beef-47e2-b4bd-3fee8b3d6e7d/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a26e19-beef-47e2-b4bd-3fee8b3d6e7d/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a26e19-beef-47e2-b4bd-3fee8b3d6e7d/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a26e19-beef-47e2-b4bd-3fee8b3d6e7d/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cd9a2129027d8e6e433405050df678799cbcbb62ed513869cd94ee61dabdad6d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:37:23,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:37:23,996 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a26e19-beef-47e2-b4bd-3fee8b3d6e7d/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:37:24,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:37:24,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:37:24,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:37:24,035 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:37:24,035 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:37:24,036 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:37:24,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:37:24,037 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:37:24,037 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:37:24,038 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:37:24,038 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:37:24,039 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:37:24,039 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:37:24,040 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:37:24,040 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:37:24,041 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:37:24,041 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:37:24,042 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:37:24,045 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:37:24,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:37:24,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:37:24,049 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:37:24,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:37:24,054 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:37:24,054 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:37:24,054 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:37:24,055 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:37:24,055 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:37:24,055 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:37:24,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:37:24,056 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:37:24,056 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:37:24,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:37:24,057 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:37:24,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:37:24,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:37:24,059 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:37:24,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:37:24,060 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:37:24,060 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:37:24,061 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:37:24,061 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_23a26e19-beef-47e2-b4bd-3fee8b3d6e7d/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a26e19-beef-47e2-b4bd-3fee8b3d6e7d/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd9a2129027d8e6e433405050df678799cbcbb62ed513869cd94ee61dabdad6d [2024-11-02 12:37:24,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:37:24,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:37:24,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:37:24,431 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:37:24,432 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:37:24,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a26e19-beef-47e2-b4bd-3fee8b3d6e7d/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i Unable to find full path for "g++" [2024-11-02 12:37:26,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:37:27,561 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:37:27,562 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a26e19-beef-47e2-b4bd-3fee8b3d6e7d/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i [2024-11-02 12:37:27,609 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a26e19-beef-47e2-b4bd-3fee8b3d6e7d/bin/utaipan-verify-DbMuA5NWw2/data/06d99fe84/05e3a2527d9744fcbace0353c48fcb89/FLAG828e7863c [2024-11-02 12:37:27,628 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a26e19-beef-47e2-b4bd-3fee8b3d6e7d/bin/utaipan-verify-DbMuA5NWw2/data/06d99fe84/05e3a2527d9744fcbace0353c48fcb89 [2024-11-02 12:37:27,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:37:27,634 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:37:27,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:37:27,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:37:27,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:37:27,643 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:37:27" (1/1) ... [2024-11-02 12:37:27,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@248dc683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:27, skipping insertion in model container [2024-11-02 12:37:27,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:37:27" (1/1) ... [2024-11-02 12:37:27,758 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:37:28,093 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a26e19-beef-47e2-b4bd-3fee8b3d6e7d/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i[4495,4508] [2024-11-02 12:37:28,104 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a26e19-beef-47e2-b4bd-3fee8b3d6e7d/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i[4555,4568] [2024-11-02 12:37:29,484 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:29,485 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:29,486 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:29,487 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:29,488 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:29,517 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:29,518 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:29,524 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:29,524 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:30,680 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:30,685 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:30,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:37:30,921 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:37:30,944 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a26e19-beef-47e2-b4bd-3fee8b3d6e7d/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i[4495,4508] [2024-11-02 12:37:30,948 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a26e19-beef-47e2-b4bd-3fee8b3d6e7d/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i[4555,4568] [2024-11-02 12:37:31,029 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:31,030 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:31,030 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:31,031 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:31,036 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:31,047 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:31,048 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:31,050 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:31,051 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:31,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8073] [2024-11-02 12:37:31,280 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:31,281 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:31,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8559-8570] [2024-11-02 12:37:31,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:37:31,623 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:37:31,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:31 WrapperNode [2024-11-02 12:37:31,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:37:31,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:37:31,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:37:31,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:37:31,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:31" (1/1) ... [2024-11-02 12:37:31,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:31" (1/1) ... [2024-11-02 12:37:31,819 INFO L138 Inliner]: procedures = 680, calls = 2500, calls flagged for inlining = 53, calls inlined = 4, statements flattened = 757 [2024-11-02 12:37:31,820 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:37:31,820 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:37:31,821 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:37:31,821 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:37:31,831 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:31" (1/1) ... [2024-11-02 12:37:31,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:31" (1/1) ... [2024-11-02 12:37:31,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:31" (1/1) ... [2024-11-02 12:37:31,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:31" (1/1) ... [2024-11-02 12:37:31,865 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:31" (1/1) ... [2024-11-02 12:37:31,868 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:31" (1/1) ... [2024-11-02 12:37:31,872 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:31" (1/1) ... [2024-11-02 12:37:31,876 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:31" (1/1) ... [2024-11-02 12:37:31,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:37:31,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:37:31,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:37:31,888 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:37:31,889 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:31" (1/1) ... [2024-11-02 12:37:31,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:37:31,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a26e19-beef-47e2-b4bd-3fee8b3d6e7d/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:37:31,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a26e19-beef-47e2-b4bd-3fee8b3d6e7d/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:37:31,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a26e19-beef-47e2-b4bd-3fee8b3d6e7d/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:37:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_clean_up [2024-11-02 12:37:31,971 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_clean_up [2024-11-02 12:37:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-02 12:37:31,973 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-02 12:37:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:37:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:37:31,973 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:37:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:37:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:37:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:37:31,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:37:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:37:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:37:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:37:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:37:31,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:37:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:37:31,976 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:37:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:37:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-02 12:37:31,976 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-02 12:37:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:37:31,977 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:37:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:37:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:37:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:37:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 12:37:31,978 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 12:37:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:37:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:37:32,291 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:37:32,293 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:37:39,511 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-11-02 12:37:39,511 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:37:40,449 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:37:40,450 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:37:40,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:37:40 BoogieIcfgContainer [2024-11-02 12:37:40,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:37:40,453 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:37:40,453 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:37:40,456 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:37:40,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:37:27" (1/3) ... [2024-11-02 12:37:40,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcd5bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:37:40, skipping insertion in model container [2024-11-02 12:37:40,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:31" (2/3) ... [2024-11-02 12:37:40,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcd5bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:37:40, skipping insertion in model container [2024-11-02 12:37:40,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:37:40" (3/3) ... [2024-11-02 12:37:40,460 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_harness.i [2024-11-02 12:37:40,478 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:37:40,479 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:37:40,555 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:37:40,562 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;@5cfc370d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:37:40,564 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:37:40,569 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 16 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-02 12:37:40,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-02 12:37:40,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:37:40,582 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:37:40,583 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:37:40,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:37:40,591 INFO L85 PathProgramCache]: Analyzing trace with hash -554797680, now seen corresponding path program 1 times [2024-11-02 12:37:40,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:37:40,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720353228] [2024-11-02 12:37:40,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:40,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms