./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_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_223eab6c-3a39-4dd7-8468-6253ec17463e/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223eab6c-3a39-4dd7-8468-6253ec17463e/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_223eab6c-3a39-4dd7-8468-6253ec17463e/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223eab6c-3a39-4dd7-8468-6253ec17463e/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223eab6c-3a39-4dd7-8468-6253ec17463e/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_223eab6c-3a39-4dd7-8468-6253ec17463e/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 983481f5e23e9dbaf95892c19981dd4a39c2fab33de5cb70c70e0ce781cf6fc6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:33:52,090 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:33:52,197 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223eab6c-3a39-4dd7-8468-6253ec17463e/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:33:52,206 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:33:52,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:33:52,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:33:52,246 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:33:52,249 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:33:52,250 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:33:52,251 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:33:52,251 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:33:52,252 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:33:52,253 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:33:52,254 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:33:52,256 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:33:52,257 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:33:52,257 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:33:52,258 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:33:52,258 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:33:52,259 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:33:52,263 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:33:52,264 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:33:52,264 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:33:52,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:33:52,265 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:33:52,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:33:52,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:33:52,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:33:52,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:33:52,267 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:33:52,267 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:33:52,268 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:33:52,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:33:52,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:33:52,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:33:52,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:52,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:33:52,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:33:52,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:33:52,272 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:33:52,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:33:52,273 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:33:52,273 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:33:52,273 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:33:52,274 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_223eab6c-3a39-4dd7-8468-6253ec17463e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223eab6c-3a39-4dd7-8468-6253ec17463e/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983481f5e23e9dbaf95892c19981dd4a39c2fab33de5cb70c70e0ce781cf6fc6 [2024-11-02 12:33:52,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:33:52,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:33:52,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:33:52,643 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:33:52,644 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:33:52,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223eab6c-3a39-4dd7-8468-6253ec17463e/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i Unable to find full path for "g++" [2024-11-02 12:33:54,829 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:33:55,465 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:33:55,465 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223eab6c-3a39-4dd7-8468-6253ec17463e/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i [2024-11-02 12:33:55,550 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223eab6c-3a39-4dd7-8468-6253ec17463e/bin/utaipan-verify-DbMuA5NWw2/data/1c828138d/339580531a944e718b2a8abaee455bf0/FLAG06b5e88f8 [2024-11-02 12:33:55,588 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223eab6c-3a39-4dd7-8468-6253ec17463e/bin/utaipan-verify-DbMuA5NWw2/data/1c828138d/339580531a944e718b2a8abaee455bf0 [2024-11-02 12:33:55,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:33:55,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:33:55,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:55,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:33:55,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:33:55,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:55" (1/1) ... [2024-11-02 12:33:55,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22394a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:55, skipping insertion in model container [2024-11-02 12:33:55,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:55" (1/1) ... [2024-11-02 12:33:55,777 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:33:56,198 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_223eab6c-3a39-4dd7-8468-6253ec17463e/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i[4492,4505] [2024-11-02 12:33:56,206 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_223eab6c-3a39-4dd7-8468-6253ec17463e/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i[4552,4565] [2024-11-02 12:33:57,275 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:57,281 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:57,281 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:57,282 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:57,283 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:57,317 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:57,320 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:57,322 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:57,327 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:58,328 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:58,330 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:58,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:33:58,578 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:33:58,599 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_223eab6c-3a39-4dd7-8468-6253ec17463e/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i[4492,4505] [2024-11-02 12:33:58,602 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_223eab6c-3a39-4dd7-8468-6253ec17463e/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i[4552,4565] [2024-11-02 12:33:58,662 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:58,663 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:58,663 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:58,664 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:58,665 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:58,679 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:58,680 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:58,681 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:58,683 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:58,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-02 12:33:58,862 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:58,862 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:58,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-02 12:33:58,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:33:59,239 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:33:59,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:59 WrapperNode [2024-11-02 12:33:59,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:59,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:33:59,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:33:59,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:33:59,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:59" (1/1) ... [2024-11-02 12:33:59,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:59" (1/1) ... [2024-11-02 12:33:59,494 INFO L138 Inliner]: procedures = 679, calls = 2631, calls flagged for inlining = 61, calls inlined = 8, statements flattened = 873 [2024-11-02 12:33:59,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:33:59,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:33:59,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:33:59,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:33:59,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:59" (1/1) ... [2024-11-02 12:33:59,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:59" (1/1) ... [2024-11-02 12:33:59,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:59" (1/1) ... [2024-11-02 12:33:59,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:59" (1/1) ... [2024-11-02 12:33:59,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:59" (1/1) ... [2024-11-02 12:33:59,589 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:59" (1/1) ... [2024-11-02 12:33:59,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:59" (1/1) ... [2024-11-02 12:33:59,612 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:59" (1/1) ... [2024-11-02 12:33:59,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:33:59,631 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:33:59,631 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:33:59,631 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:33:59,632 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:59" (1/1) ... [2024-11-02 12:33:59,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:59,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223eab6c-3a39-4dd7-8468-6253ec17463e/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:33:59,674 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223eab6c-3a39-4dd7-8468-6253ec17463e/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:33:59,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223eab6c-3a39-4dd7-8468-6253ec17463e/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:33:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-02 12:33:59,714 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-02 12:33:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:33:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:33:59,717 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:33:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-02 12:33:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-02 12:33:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:33:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:33:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-02 12:33:59,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-02 12:33:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:33:59,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:33:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:33:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:33:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:33:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:33:59,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:33:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:33:59,721 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:33:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-02 12:33:59,721 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-02 12:33:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-02 12:33:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:33:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:33:59,721 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:33:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:33:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:33:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-02 12:33:59,722 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-02 12:33:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:33:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 12:33:59,722 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 12:33:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-02 12:33:59,722 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-02 12:33:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:33:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2024-11-02 12:33:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:34:00,080 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:34:00,083 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:34:07,575 INFO L? ?]: Removed 124 outVars from TransFormulas that were not future-live. [2024-11-02 12:34:07,575 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:34:08,296 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:34:08,296 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:34:08,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:34:08 BoogieIcfgContainer [2024-11-02 12:34:08,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:34:08,304 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:34:08,304 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:34:08,308 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:34:08,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:33:55" (1/3) ... [2024-11-02 12:34:08,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d8d347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:34:08, skipping insertion in model container [2024-11-02 12:34:08,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:59" (2/3) ... [2024-11-02 12:34:08,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d8d347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:34:08, skipping insertion in model container [2024-11-02 12:34:08,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:34:08" (3/3) ... [2024-11-02 12:34:08,312 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_harness_negated.i [2024-11-02 12:34:08,333 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:34:08,334 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:34:08,432 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:34:08,440 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;@3f0e1668, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:34:08,442 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:34:08,447 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 55 states have (on average 1.2363636363636363) internal successors, (68), 56 states have internal predecessors, (68), 32 states have call successors, (32), 10 states have call predecessors, (32), 10 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-02 12:34:08,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-02 12:34:08,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:34:08,460 INFO L215 NwaCegarLoop]: trace histogram [5, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2024-11-02 12:34:08,462 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:34:08,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:34:08,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1537179206, now seen corresponding path program 1 times [2024-11-02 12:34:08,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:34:08,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644961095] [2024-11-02 12:34:08,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:08,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms