./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_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_9c69a628-26a3-436f-be3a-e1450a8fc1b8/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c69a628-26a3-436f-be3a-e1450a8fc1b8/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_9c69a628-26a3-436f-be3a-e1450a8fc1b8/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c69a628-26a3-436f-be3a-e1450a8fc1b8/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c69a628-26a3-436f-be3a-e1450a8fc1b8/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_9c69a628-26a3-436f-be3a-e1450a8fc1b8/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 faa65859e31290f7e8032666f55af3608361dac3b397b8750b8c31e227a4d695 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:36:04,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:36:04,309 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c69a628-26a3-436f-be3a-e1450a8fc1b8/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:36:04,314 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:36:04,314 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:36:04,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:36:04,351 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:36:04,354 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:36:04,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:36:04,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:36:04,356 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:36:04,356 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:36:04,356 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:36:04,357 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:36:04,357 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:36:04,357 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:36:04,361 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:36:04,361 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:36:04,362 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:36:04,362 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:36:04,362 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:36:04,366 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:36:04,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:36:04,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:36:04,367 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:36:04,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:36:04,368 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:36:04,368 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:36:04,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:36:04,368 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:36:04,369 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:36:04,369 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:36:04,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:36:04,370 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:36:04,373 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:36:04,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:36:04,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:36:04,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:36:04,374 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:36:04,375 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:36:04,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:36:04,376 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:36:04,376 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:36:04,376 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:36:04,376 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_9c69a628-26a3-436f-be3a-e1450a8fc1b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c69a628-26a3-436f-be3a-e1450a8fc1b8/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> faa65859e31290f7e8032666f55af3608361dac3b397b8750b8c31e227a4d695 [2024-11-02 12:36:04,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:36:04,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:36:04,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:36:04,753 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:36:04,754 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:36:04,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c69a628-26a3-436f-be3a-e1450a8fc1b8/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i Unable to find full path for "g++" [2024-11-02 12:36:07,029 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:36:07,620 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:36:07,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c69a628-26a3-436f-be3a-e1450a8fc1b8/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i [2024-11-02 12:36:07,666 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c69a628-26a3-436f-be3a-e1450a8fc1b8/bin/utaipan-verify-DbMuA5NWw2/data/88b214f3c/ba38cde1252c4dadb328506c846bc775/FLAGd07ea66c9 [2024-11-02 12:36:07,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c69a628-26a3-436f-be3a-e1450a8fc1b8/bin/utaipan-verify-DbMuA5NWw2/data/88b214f3c/ba38cde1252c4dadb328506c846bc775 [2024-11-02 12:36:07,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:36:07,695 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:36:07,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:36:07,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:36:07,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:36:07,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:36:07" (1/1) ... [2024-11-02 12:36:07,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b98b60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:07, skipping insertion in model container [2024-11-02 12:36:07,709 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:36:07" (1/1) ... [2024-11-02 12:36:07,853 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:36:08,154 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_9c69a628-26a3-436f-be3a-e1450a8fc1b8/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i[4491,4504] [2024-11-02 12:36:08,162 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_9c69a628-26a3-436f-be3a-e1450a8fc1b8/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i[4551,4564] [2024-11-02 12:36:09,283 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:09,284 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:09,285 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:09,286 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:09,287 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:09,306 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:09,307 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:09,309 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:09,310 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:10,007 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:10,008 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:10,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:36:10,191 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:36:10,211 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_9c69a628-26a3-436f-be3a-e1450a8fc1b8/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i[4491,4504] [2024-11-02 12:36:10,212 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_9c69a628-26a3-436f-be3a-e1450a8fc1b8/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i[4551,4564] [2024-11-02 12:36:10,278 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:10,279 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:10,281 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:10,282 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:10,283 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:10,296 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:10,297 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:10,300 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:10,301 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:10,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8051] [2024-11-02 12:36:10,551 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:10,552 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:10,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8537-8548] [2024-11-02 12:36:10,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:36:10,843 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:36:10,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:10 WrapperNode [2024-11-02 12:36:10,843 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:36:10,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:36:10,845 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:36:10,845 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:36:10,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:10" (1/1) ... [2024-11-02 12:36:10,944 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:10" (1/1) ... [2024-11-02 12:36:11,040 INFO L138 Inliner]: procedures = 679, calls = 2495, calls flagged for inlining = 55, calls inlined = 6, statements flattened = 790 [2024-11-02 12:36:11,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:36:11,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:36:11,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:36:11,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:36:11,053 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:10" (1/1) ... [2024-11-02 12:36:11,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:10" (1/1) ... [2024-11-02 12:36:11,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:10" (1/1) ... [2024-11-02 12:36:11,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:10" (1/1) ... [2024-11-02 12:36:11,119 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:10" (1/1) ... [2024-11-02 12:36:11,129 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:10" (1/1) ... [2024-11-02 12:36:11,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:10" (1/1) ... [2024-11-02 12:36:11,142 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:10" (1/1) ... [2024-11-02 12:36:11,160 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:36:11,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:36:11,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:36:11,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:36:11,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:10" (1/1) ... [2024-11-02 12:36:11,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:36:11,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c69a628-26a3-436f-be3a-e1450a8fc1b8/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:36:11,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c69a628-26a3-436f-be3a-e1450a8fc1b8/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:36:11,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c69a628-26a3-436f-be3a-e1450a8fc1b8/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:36:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-02 12:36:11,241 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-02 12:36:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:36:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:36:11,242 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:36:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-02 12:36:11,242 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-02 12:36:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:36:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:36:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-02 12:36:11,243 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-02 12:36:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:36:11,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:36:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:36:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:36:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:36:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:36:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:36:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:36:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:36:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:36:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-02 12:36:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-02 12:36:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:36:11,245 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:36:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-02 12:36:11,245 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-02 12:36:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:36:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:36:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:36:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 12:36:11,246 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 12:36:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:36:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:36:11,536 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:36:11,538 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:36:18,641 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-11-02 12:36:18,641 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:36:19,374 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:36:19,374 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:36:19,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:36:19 BoogieIcfgContainer [2024-11-02 12:36:19,375 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:36:19,378 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:36:19,378 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:36:19,381 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:36:19,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:36:07" (1/3) ... [2024-11-02 12:36:19,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36652e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:36:19, skipping insertion in model container [2024-11-02 12:36:19,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:10" (2/3) ... [2024-11-02 12:36:19,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36652e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:36:19, skipping insertion in model container [2024-11-02 12:36:19,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:36:19" (3/3) ... [2024-11-02 12:36:19,385 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_harness.i [2024-11-02 12:36:19,406 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:36:19,406 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:36:19,490 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:36:19,497 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;@6428aa05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:36:19,498 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:36:19,503 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 38 states have internal predecessors, (44), 20 states have call successors, (20), 10 states have call predecessors, (20), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-02 12:36:19,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-02 12:36:19,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:36:19,512 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] [2024-11-02 12:36:19,513 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:36:19,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:36:19,519 INFO L85 PathProgramCache]: Analyzing trace with hash 291084554, now seen corresponding path program 1 times [2024-11-02 12:36:19,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:36:19,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741479107] [2024-11-02 12:36:19,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:36:19,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms