./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c83e39-4fac-4d82-9b39-a740ef8cb460/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c83e39-4fac-4d82-9b39-a740ef8cb460/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_04c83e39-4fac-4d82-9b39-a740ef8cb460/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c83e39-4fac-4d82-9b39-a740ef8cb460/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c83e39-4fac-4d82-9b39-a740ef8cb460/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_04c83e39-4fac-4d82-9b39-a740ef8cb460/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 a4daa63ade1fb1a2d170a844889a9f0ec321dcf3b8a50088706c45d113683668 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:26:14,263 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:26:14,339 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c83e39-4fac-4d82-9b39-a740ef8cb460/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:26:14,345 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:26:14,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:26:14,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:26:14,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:26:14,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:26:14,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:26:14,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:26:14,376 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:26:14,377 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:26:14,377 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:26:14,378 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:26:14,378 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:26:14,379 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:26:14,379 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:26:14,380 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:26:14,383 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:26:14,383 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:26:14,384 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:26:14,385 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:26:14,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:26:14,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:26:14,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:26:14,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:26:14,388 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:26:14,388 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:26:14,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:26:14,389 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:26:14,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:26:14,390 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:26:14,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:26:14,391 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:26:14,391 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:26:14,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:14,392 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:26:14,393 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:26:14,393 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:26:14,393 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:26:14,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:26:14,394 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:26:14,395 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:26:14,395 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:26:14,395 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_04c83e39-4fac-4d82-9b39-a740ef8cb460/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c83e39-4fac-4d82-9b39-a740ef8cb460/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4daa63ade1fb1a2d170a844889a9f0ec321dcf3b8a50088706c45d113683668 [2024-11-02 12:26:14,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:26:14,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:26:14,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:26:14,718 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:26:14,718 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:26:14,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c83e39-4fac-4d82-9b39-a740ef8cb460/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i Unable to find full path for "g++" [2024-11-02 12:26:16,866 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:26:17,416 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:26:17,417 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c83e39-4fac-4d82-9b39-a740ef8cb460/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i [2024-11-02 12:26:17,465 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c83e39-4fac-4d82-9b39-a740ef8cb460/bin/utaipan-verify-DbMuA5NWw2/data/ac4089547/1958f08fe3414f4ca1422dfbeebf443b/FLAGd28d75606 [2024-11-02 12:26:17,491 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c83e39-4fac-4d82-9b39-a740ef8cb460/bin/utaipan-verify-DbMuA5NWw2/data/ac4089547/1958f08fe3414f4ca1422dfbeebf443b [2024-11-02 12:26:17,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:26:17,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:26:17,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:17,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:26:17,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:26:17,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:17" (1/1) ... [2024-11-02 12:26:17,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bdf93ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:17, skipping insertion in model container [2024-11-02 12:26:17,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:17" (1/1) ... [2024-11-02 12:26:17,645 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:26:18,047 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_04c83e39-4fac-4d82-9b39-a740ef8cb460/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i[4494,4507] [2024-11-02 12:26:18,057 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_04c83e39-4fac-4d82-9b39-a740ef8cb460/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i[4554,4567] [2024-11-02 12:26:19,443 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:19,444 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:19,448 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:19,450 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:19,452 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:19,473 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:19,475 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:19,478 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:19,479 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:20,366 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:20,369 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:20,526 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:20,526 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:20,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:20,668 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:26:20,686 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_04c83e39-4fac-4d82-9b39-a740ef8cb460/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i[4494,4507] [2024-11-02 12:26:20,687 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_04c83e39-4fac-4d82-9b39-a740ef8cb460/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i[4554,4567] [2024-11-02 12:26:20,741 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:20,742 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:20,742 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:20,743 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:20,744 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:20,752 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:20,753 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:20,755 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:20,755 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:20,896 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:20,898 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:20,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8315] [2024-11-02 12:26:20,969 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:20,969 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:20,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8801-8812] [2024-11-02 12:26:21,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:21,294 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:26:21,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:21 WrapperNode [2024-11-02 12:26:21,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:21,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:21,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:26:21,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:26:21,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:21" (1/1) ... [2024-11-02 12:26:21,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:21" (1/1) ... [2024-11-02 12:26:21,529 INFO L138 Inliner]: procedures = 681, calls = 2619, calls flagged for inlining = 60, calls inlined = 10, statements flattened = 967 [2024-11-02 12:26:21,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:21,534 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:26:21,534 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:26:21,534 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:26:21,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:21" (1/1) ... [2024-11-02 12:26:21,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:21" (1/1) ... [2024-11-02 12:26:21,554 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:21" (1/1) ... [2024-11-02 12:26:21,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:21" (1/1) ... [2024-11-02 12:26:21,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:21" (1/1) ... [2024-11-02 12:26:21,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:21" (1/1) ... [2024-11-02 12:26:21,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:21" (1/1) ... [2024-11-02 12:26:21,604 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:21" (1/1) ... [2024-11-02 12:26:21,613 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:26:21,614 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:26:21,614 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:26:21,615 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:26:21,616 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:21" (1/1) ... [2024-11-02 12:26:21,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:21,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c83e39-4fac-4d82-9b39-a740ef8cb460/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:26:21,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c83e39-4fac-4d82-9b39-a740ef8cb460/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:26:21,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04c83e39-4fac-4d82-9b39-a740ef8cb460/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:26:21,708 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-02 12:26:21,708 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-02 12:26:21,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:26:21,709 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:26:21,709 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:26:21,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:26:21,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:26:21,709 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-02 12:26:21,710 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-02 12:26:21,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:26:21,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:26:21,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:26:21,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:26:21,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:26:21,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:26:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:26:21,711 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:26:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:26:21,711 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2024-11-02 12:26:21,712 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2024-11-02 12:26:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:26:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_reserve [2024-11-02 12:26:21,712 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_reserve [2024-11-02 12:26:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-02 12:26:21,713 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-02 12:26:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:26:21,713 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:26:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:26:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:26:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:26:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 12:26:21,714 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 12:26:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-02 12:26:21,714 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-02 12:26:21,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:26:21,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:26:22,117 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:26:22,120 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:26:29,573 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-02 12:26:29,573 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:26:30,505 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:26:30,506 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-02 12:26:30,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:30 BoogieIcfgContainer [2024-11-02 12:26:30,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:26:30,509 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:26:30,509 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:26:30,514 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:26:30,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:26:17" (1/3) ... [2024-11-02 12:26:30,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5439b7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:30, skipping insertion in model container [2024-11-02 12:26:30,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:21" (2/3) ... [2024-11-02 12:26:30,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5439b7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:30, skipping insertion in model container [2024-11-02 12:26:30,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:30" (3/3) ... [2024-11-02 12:26:30,521 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_harness.i [2024-11-02 12:26:30,547 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:26:30,547 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:26:30,659 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:26:30,675 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;@713c9b20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:26:30,676 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:26:30,685 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 67 states have (on average 1.2537313432835822) internal successors, (84), 67 states have internal predecessors, (84), 37 states have call successors, (37), 11 states have call predecessors, (37), 11 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-02 12:26:30,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-02 12:26:30,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:30,701 INFO L215 NwaCegarLoop]: trace histogram [2, 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] [2024-11-02 12:26:30,702 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:30,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:30,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1365814871, now seen corresponding path program 1 times [2024-11-02 12:26:30,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:30,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659593628] [2024-11-02 12:26:30,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:30,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms