./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.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_329f3d7c-ecda-489d-85a4-a4401877c80b/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329f3d7c-ecda-489d-85a4-a4401877c80b/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_329f3d7c-ecda-489d-85a4-a4401877c80b/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329f3d7c-ecda-489d-85a4-a4401877c80b/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329f3d7c-ecda-489d-85a4-a4401877c80b/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_329f3d7c-ecda-489d-85a4-a4401877c80b/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 e55ac5434b951971879a153437b53000a6218e43a47ba6f85cc2dc8135a82b6f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:25:44,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:25:44,487 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329f3d7c-ecda-489d-85a4-a4401877c80b/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:25:44,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:25:44,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:25:44,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:25:44,521 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:25:44,522 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:25:44,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:25:44,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:25:44,523 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:25:44,524 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:25:44,524 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:25:44,525 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:25:44,525 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:25:44,525 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:25:44,526 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:25:44,526 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:25:44,527 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:25:44,527 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:25:44,528 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:25:44,528 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:25:44,529 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:25:44,529 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:25:44,530 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:25:44,530 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:25:44,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:25:44,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:25:44,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:25:44,532 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:25:44,532 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:25:44,533 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:25:44,533 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:25:44,534 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:25:44,534 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:25:44,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:25:44,535 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:25:44,535 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:25:44,536 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:25:44,536 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:25:44,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:25:44,537 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:25:44,537 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:25:44,538 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:25:44,538 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_329f3d7c-ecda-489d-85a4-a4401877c80b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329f3d7c-ecda-489d-85a4-a4401877c80b/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e55ac5434b951971879a153437b53000a6218e43a47ba6f85cc2dc8135a82b6f [2024-11-02 12:25:44,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:25:44,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:25:44,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:25:44,876 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:25:44,877 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:25:44,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329f3d7c-ecda-489d-85a4-a4401877c80b/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.i Unable to find full path for "g++" [2024-11-02 12:25:46,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:25:47,504 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:25:47,505 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329f3d7c-ecda-489d-85a4-a4401877c80b/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.i [2024-11-02 12:25:47,539 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329f3d7c-ecda-489d-85a4-a4401877c80b/bin/utaipan-verify-DbMuA5NWw2/data/e6ab6eeab/42b6a916f8d740bcb989d7e77e4889bc/FLAG1003a2d0d [2024-11-02 12:25:47,555 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329f3d7c-ecda-489d-85a4-a4401877c80b/bin/utaipan-verify-DbMuA5NWw2/data/e6ab6eeab/42b6a916f8d740bcb989d7e77e4889bc [2024-11-02 12:25:47,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:25:47,559 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:25:47,561 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:25:47,561 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:25:47,567 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:25:47,568 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:25:47" (1/1) ... [2024-11-02 12:25:47,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa3f8a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:47, skipping insertion in model container [2024-11-02 12:25:47,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:25:47" (1/1) ... [2024-11-02 12:25:47,685 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:25:48,034 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_329f3d7c-ecda-489d-85a4-a4401877c80b/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.i[4494,4507] [2024-11-02 12:25:48,045 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_329f3d7c-ecda-489d-85a4-a4401877c80b/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.i[4554,4567] [2024-11-02 12:25:49,336 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:25:49,337 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:25:49,338 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:25:49,339 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:25:49,341 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:25:49,362 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:25:49,363 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:25:49,368 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:25:49,370 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:25:50,320 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:25:50,324 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:25:50,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:25:50,495 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:25:50,511 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_329f3d7c-ecda-489d-85a4-a4401877c80b/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.i[4494,4507] [2024-11-02 12:25:50,512 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_329f3d7c-ecda-489d-85a4-a4401877c80b/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.i[4554,4567] [2024-11-02 12:25:50,566 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:25:50,566 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:25:50,567 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:25:50,568 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:25:50,569 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:25:50,577 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:25:50,577 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:25:50,579 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:25:50,580 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:25:50,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-02 12:25:50,757 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:25:50,758 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:25:50,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-02 12:25:50,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:25:51,214 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:25:51,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:51 WrapperNode [2024-11-02 12:25:51,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:25:51,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:25:51,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:25:51,217 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:25:51,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:51" (1/1) ... [2024-11-02 12:25:51,366 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:51" (1/1) ... [2024-11-02 12:25:51,455 INFO L138 Inliner]: procedures = 680, calls = 2671, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 975 [2024-11-02 12:25:51,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:25:51,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:25:51,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:25:51,456 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:25:51,472 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:51" (1/1) ... [2024-11-02 12:25:51,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:51" (1/1) ... [2024-11-02 12:25:51,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:51" (1/1) ... [2024-11-02 12:25:51,490 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:51" (1/1) ... [2024-11-02 12:25:51,551 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:51" (1/1) ... [2024-11-02 12:25:51,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:51" (1/1) ... [2024-11-02 12:25:51,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:51" (1/1) ... [2024-11-02 12:25:51,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:51" (1/1) ... [2024-11-02 12:25:51,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:25:51,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:25:51,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:25:51,611 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:25:51,612 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:51" (1/1) ... [2024-11-02 12:25:51,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:25:51,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329f3d7c-ecda-489d-85a4-a4401877c80b/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:25:51,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329f3d7c-ecda-489d-85a4-a4401877c80b/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:25:51,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329f3d7c-ecda-489d-85a4-a4401877c80b/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:25:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-02 12:25:51,695 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-02 12:25:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:25:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:25:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:25:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:25:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:25:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:25:51,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:25:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:25:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:25:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:25:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-02 12:25:51,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-02 12:25:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:25:51,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:25:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:25:51,701 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:25:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-02 12:25:51,701 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-02 12:25:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:25:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:25:51,702 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:25:51,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:25:51,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:25:51,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:25:51,702 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 12:25:51,702 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 12:25:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-02 12:25:51,703 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-02 12:25:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:25:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-02 12:25:51,703 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-02 12:25:51,704 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-02 12:25:51,704 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-02 12:25:51,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:25:52,138 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:25:52,140 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:26:00,307 INFO L? ?]: Removed 110 outVars from TransFormulas that were not future-live. [2024-11-02 12:26:00,307 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:26:01,486 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:26:01,487 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-02 12:26:01,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:01 BoogieIcfgContainer [2024-11-02 12:26:01,487 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:26:01,490 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:26:01,490 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:26:01,493 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:26:01,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:25:47" (1/3) ... [2024-11-02 12:26:01,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49372fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:01, skipping insertion in model container [2024-11-02 12:26:01,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:51" (2/3) ... [2024-11-02 12:26:01,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49372fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:01, skipping insertion in model container [2024-11-02 12:26:01,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:01" (3/3) ... [2024-11-02 12:26:01,497 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_advance_harness_negated.i [2024-11-02 12:26:01,516 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:26:01,516 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:26:01,606 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:26:01,616 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;@4f3dba06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:26:01,618 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:26:01,622 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 73 states have (on average 1.1917808219178083) internal successors, (87), 73 states have internal predecessors, (87), 55 states have call successors, (55), 11 states have call predecessors, (55), 11 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-02 12:26:01,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-02 12:26:01,635 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:01,636 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:01,636 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:01,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:01,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1738358651, now seen corresponding path program 1 times [2024-11-02 12:26:01,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:01,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425481221] [2024-11-02 12:26:01,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:01,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms