./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_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_28715b89-004a-4dd3-8bd7-b2fc1d12dab3/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28715b89-004a-4dd3-8bd7-b2fc1d12dab3/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_28715b89-004a-4dd3-8bd7-b2fc1d12dab3/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28715b89-004a-4dd3-8bd7-b2fc1d12dab3/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28715b89-004a-4dd3-8bd7-b2fc1d12dab3/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_28715b89-004a-4dd3-8bd7-b2fc1d12dab3/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 da48e5de3ccd5190fb3d3934a3d9d423de1f83d4587f9dc2fa1f3f18a9362190 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:35:06,247 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:35:06,316 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28715b89-004a-4dd3-8bd7-b2fc1d12dab3/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:35:06,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:35:06,322 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:35:06,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:35:06,347 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:35:06,347 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:35:06,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:35:06,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:35:06,349 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:35:06,349 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:35:06,350 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:35:06,350 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:35:06,350 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:35:06,351 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:35:06,351 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:35:06,352 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:35:06,352 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:35:06,353 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:35:06,353 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:35:06,356 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:35:06,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:35:06,357 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:35:06,358 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:35:06,358 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:35:06,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:35:06,359 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:35:06,359 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:35:06,360 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:35:06,360 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:35:06,360 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:35:06,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:35:06,361 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:35:06,362 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:35:06,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:06,362 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:35:06,363 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:35:06,363 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:35:06,363 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:35:06,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:35:06,364 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:35:06,365 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:35:06,365 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:35:06,365 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_28715b89-004a-4dd3-8bd7-b2fc1d12dab3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28715b89-004a-4dd3-8bd7-b2fc1d12dab3/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da48e5de3ccd5190fb3d3934a3d9d423de1f83d4587f9dc2fa1f3f18a9362190 [2024-11-02 12:35:06,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:35:06,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:35:06,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:35:06,639 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:35:06,639 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:35:06,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28715b89-004a-4dd3-8bd7-b2fc1d12dab3/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i Unable to find full path for "g++" [2024-11-02 12:35:08,852 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:35:09,433 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:35:09,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28715b89-004a-4dd3-8bd7-b2fc1d12dab3/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i [2024-11-02 12:35:09,484 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28715b89-004a-4dd3-8bd7-b2fc1d12dab3/bin/utaipan-verify-DbMuA5NWw2/data/2491c0734/75ac82708ba8486c8b5abf9cea318163/FLAGcc249551f [2024-11-02 12:35:09,510 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28715b89-004a-4dd3-8bd7-b2fc1d12dab3/bin/utaipan-verify-DbMuA5NWw2/data/2491c0734/75ac82708ba8486c8b5abf9cea318163 [2024-11-02 12:35:09,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:35:09,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:35:09,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:35:09,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:35:09,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:35:09,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:35:09" (1/1) ... [2024-11-02 12:35:09,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67263a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:09, skipping insertion in model container [2024-11-02 12:35:09,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:35:09" (1/1) ... [2024-11-02 12:35:09,686 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:35:10,023 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_28715b89-004a-4dd3-8bd7-b2fc1d12dab3/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i[4503,4516] [2024-11-02 12:35:10,033 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_28715b89-004a-4dd3-8bd7-b2fc1d12dab3/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i[4563,4576] [2024-11-02 12:35:11,226 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:11,227 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:11,228 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:11,229 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:11,231 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:11,248 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:11,249 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:11,251 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:11,252 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:12,035 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:12,036 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:12,151 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:12,152 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:12,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:35:12,318 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:35:12,335 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_28715b89-004a-4dd3-8bd7-b2fc1d12dab3/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i[4503,4516] [2024-11-02 12:35:12,336 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_28715b89-004a-4dd3-8bd7-b2fc1d12dab3/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i[4563,4576] [2024-11-02 12:35:12,378 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:12,378 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:12,379 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:12,379 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:12,380 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:12,387 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:12,387 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:12,389 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:12,389 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:12,551 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:12,551 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:12,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8097] [2024-11-02 12:35:12,610 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:12,610 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:35:12,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8583-8594] [2024-11-02 12:35:12,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:35:12,939 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:35:12,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12 WrapperNode [2024-11-02 12:35:12,939 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:35:12,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:35:12,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:35:12,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:35:12,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:13,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:13,147 INFO L138 Inliner]: procedures = 681, calls = 2499, calls flagged for inlining = 58, calls inlined = 13, statements flattened = 1024 [2024-11-02 12:35:13,150 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:35:13,151 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:35:13,151 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:35:13,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:35:13,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:13,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:13,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:13,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:13,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:13,229 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:13,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:13,248 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:13,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:35:13,267 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:35:13,267 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:35:13,267 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:35:13,272 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12" (1/1) ... [2024-11-02 12:35:13,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:13,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28715b89-004a-4dd3-8bd7-b2fc1d12dab3/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:35:13,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28715b89-004a-4dd3-8bd7-b2fc1d12dab3/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:35:13,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28715b89-004a-4dd3-8bd7-b2fc1d12dab3/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:35:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-02 12:35:13,372 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-02 12:35:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:35:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:35:13,373 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:35:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:35:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:35:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-02 12:35:13,374 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-02 12:35:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:35:13,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:35:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:35:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:35:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:35:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:35:13,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:35:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:35:13,376 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:35:13,376 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2024-11-02 12:35:13,376 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2024-11-02 12:35:13,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:35:13,376 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-02 12:35:13,376 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-02 12:35:13,377 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:35:13,377 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:35:13,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:35:13,377 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-02 12:35:13,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-02 12:35:13,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:35:13,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:35:13,378 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 12:35:13,379 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 12:35:13,379 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-02 12:35:13,380 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-02 12:35:13,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:35:13,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:35:13,781 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:35:13,784 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:35:21,646 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2024-11-02 12:35:21,647 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:35:22,541 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:35:22,541 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-02 12:35:22,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:22 BoogieIcfgContainer [2024-11-02 12:35:22,542 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:35:22,545 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:35:22,545 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:35:22,549 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:35:22,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:35:09" (1/3) ... [2024-11-02 12:35:22,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@672c9126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:35:22, skipping insertion in model container [2024-11-02 12:35:22,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:12" (2/3) ... [2024-11-02 12:35:22,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@672c9126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:35:22, skipping insertion in model container [2024-11-02 12:35:22,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:22" (3/3) ... [2024-11-02 12:35:22,553 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_relative_harness.i [2024-11-02 12:35:22,572 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:35:22,572 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:35:22,655 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:35:22,664 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;@9853b19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:35:22,665 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:35:22,670 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 73 states have (on average 1.3013698630136987) internal successors, (95), 72 states have internal predecessors, (95), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-02 12:35:22,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-02 12:35:22,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:35:22,680 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-02 12:35:22,682 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:35:22,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:35:22,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1141458458, now seen corresponding path program 1 times [2024-11-02 12:35:22,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:35:22,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715843459] [2024-11-02 12:35:22,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:22,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms