./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809b6970-1f4d-4294-8cd3-35acaa000893/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809b6970-1f4d-4294-8cd3-35acaa000893/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809b6970-1f4d-4294-8cd3-35acaa000893/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809b6970-1f4d-4294-8cd3-35acaa000893/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809b6970-1f4d-4294-8cd3-35acaa000893/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809b6970-1f4d-4294-8cd3-35acaa000893/bin/ukojak-verify-ENZ3QT5qd3 --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 19455853cda764ac85d99c02becba7d89023dbca8554ed2a57443899aa957d24 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:11:52,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:11:52,316 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809b6970-1f4d-4294-8cd3-35acaa000893/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 04:11:52,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:11:52,325 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:11:52,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:11:52,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:11:52,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:11:52,362 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:11:52,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:11:52,364 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:11:52,364 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:11:52,364 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:11:52,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:11:52,365 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:11:52,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:11:52,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:11:52,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:11:52,366 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:11:52,366 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:11:52,366 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:11:52,366 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:11:52,366 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:11:52,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:11:52,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:11:52,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:11:52,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:11:52,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:11:52,367 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:11:52,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:11:52,367 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_809b6970-1f4d-4294-8cd3-35acaa000893/bin/ukojak-verify-ENZ3QT5qd3 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 -> Kojak 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 -> 19455853cda764ac85d99c02becba7d89023dbca8554ed2a57443899aa957d24 [2024-11-25 04:11:52,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:11:52,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:11:52,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:11:52,683 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:11:52,684 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:11:52,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809b6970-1f4d-4294-8cd3-35acaa000893/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i [2024-11-25 04:11:55,807 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809b6970-1f4d-4294-8cd3-35acaa000893/bin/ukojak-verify-ENZ3QT5qd3/data/f8b037993/525bc7cbd3804b85816e36ee0332647f/FLAG205ae87d2 [2024-11-25 04:11:56,427 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:11:56,428 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809b6970-1f4d-4294-8cd3-35acaa000893/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i [2024-11-25 04:11:56,478 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809b6970-1f4d-4294-8cd3-35acaa000893/bin/ukojak-verify-ENZ3QT5qd3/data/f8b037993/525bc7cbd3804b85816e36ee0332647f/FLAG205ae87d2 [2024-11-25 04:11:56,497 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809b6970-1f4d-4294-8cd3-35acaa000893/bin/ukojak-verify-ENZ3QT5qd3/data/f8b037993/525bc7cbd3804b85816e36ee0332647f [2024-11-25 04:11:56,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:11:56,502 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:11:56,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:11:56,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:11:56,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:11:56,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:11:56" (1/1) ... [2024-11-25 04:11:56,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401cd786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:56, skipping insertion in model container [2024-11-25 04:11:56,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:11:56" (1/1) ... [2024-11-25 04:11:56,615 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:11:56,922 WARN L250 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_809b6970-1f4d-4294-8cd3-35acaa000893/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4490,4503] [2024-11-25 04:11:56,931 WARN L250 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_809b6970-1f4d-4294-8cd3-35acaa000893/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4550,4563] [2024-11-25 04:11:57,944 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:57,945 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:57,946 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:57,947 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:57,948 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:57,970 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:57,971 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:57,975 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:57,976 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:57,979 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:57,983 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:57,986 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:57,988 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:58,757 WARN L250 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_809b6970-1f4d-4294-8cd3-35acaa000893/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[147662,147675] [2024-11-25 04:11:58,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:11:58,785 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:11:58,807 WARN L250 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_809b6970-1f4d-4294-8cd3-35acaa000893/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4490,4503] [2024-11-25 04:11:58,807 WARN L250 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_809b6970-1f4d-4294-8cd3-35acaa000893/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4550,4563] [2024-11-25 04:11:58,939 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:58,942 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:58,943 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:58,943 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:58,944 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:58,962 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:58,963 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:58,965 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:58,965 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:58,967 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:58,968 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:58,969 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:58,969 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-25 04:11:59,138 WARN L250 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_809b6970-1f4d-4294-8cd3-35acaa000893/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[147662,147675] [2024-11-25 04:11:59,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:11:59,302 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:11:59,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:59 WrapperNode [2024-11-25 04:11:59,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:11:59,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:11:59,304 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:11:59,304 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:11:59,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:59" (1/1) ... [2024-11-25 04:11:59,376 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:59" (1/1) ... [2024-11-25 04:11:59,409 INFO L138 Inliner]: procedures = 668, calls = 972, calls flagged for inlining = 46, calls inlined = 6, statements flattened = 61 [2024-11-25 04:11:59,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:11:59,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:11:59,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:11:59,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:11:59,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:59" (1/1) ... [2024-11-25 04:11:59,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:59" (1/1) ... [2024-11-25 04:11:59,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:59" (1/1) ... [2024-11-25 04:11:59,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:59" (1/1) ... [2024-11-25 04:11:59,443 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:59" (1/1) ... [2024-11-25 04:11:59,445 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:59" (1/1) ... [2024-11-25 04:11:59,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:59" (1/1) ... [2024-11-25 04:11:59,451 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:59" (1/1) ... [2024-11-25 04:11:59,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:59" (1/1) ... [2024-11-25 04:11:59,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:11:59,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:11:59,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:11:59,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:11:59,459 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:59" (1/1) ... [2024-11-25 04:11:59,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:11:59,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809b6970-1f4d-4294-8cd3-35acaa000893/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:11:59,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809b6970-1f4d-4294-8cd3-35acaa000893/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:11:59,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809b6970-1f4d-4294-8cd3-35acaa000893/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:11:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-25 04:11:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-25 04:11:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-25 04:11:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-25 04:11:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 04:11:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:11:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:11:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 04:11:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:11:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-25 04:11:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:11:59,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:11:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-25 04:11:59,556 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-25 04:11:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-11-25 04:11:59,556 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-11-25 04:11:59,557 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:11:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:11:59,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-25 04:11:59,557 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-25 04:11:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-25 04:11:59,557 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-25 04:11:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-25 04:11:59,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 04:11:59,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:11:59,917 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:11:59,919 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:12:00,223 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-25 04:12:00,228 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:12:00,386 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:12:00,386 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:12:00,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:12:00 BoogieIcfgContainer [2024-11-25 04:12:00,387 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:12:00,389 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:12:00,390 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:12:00,404 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:12:00,405 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:12:00" (1/1) ... [2024-11-25 04:12:00,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:12:00,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:00,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 44 states and 49 transitions. [2024-11-25 04:12:00,493 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2024-11-25 04:12:00,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 04:12:00,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:12:00,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:12:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:12:01,065 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:12:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:12:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:12:01,630 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:12:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:12:01,774 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:12:01,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:12:01 ImpRootNode [2024-11-25 04:12:01,830 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:12:01,831 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:12:01,832 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:12:01,833 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:12:01,833 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:12:00" (3/4) ... [2024-11-25 04:12:01,835 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:12:01,926 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 29. [2024-11-25 04:12:02,000 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809b6970-1f4d-4294-8cd3-35acaa000893/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:12:02,000 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809b6970-1f4d-4294-8cd3-35acaa000893/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:12:02,000 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:12:02,002 INFO L158 Benchmark]: Toolchain (without parser) took 5500.05ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 86.2MB in the beginning and 119.3MB in the end (delta: -33.1MB). Peak memory consumption was 81.1MB. Max. memory is 16.1GB. [2024-11-25 04:12:02,002 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:02,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2799.83ms. Allocated memory is still 117.4MB. Free memory was 85.7MB in the beginning and 64.8MB in the end (delta: 20.9MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2024-11-25 04:12:02,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.34ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 60.5MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:02,003 INFO L158 Benchmark]: Boogie Preprocessor took 46.45ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 57.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:02,003 INFO L158 Benchmark]: RCFGBuilder took 931.07ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 57.8MB in the beginning and 188.5MB in the end (delta: -130.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-11-25 04:12:02,004 INFO L158 Benchmark]: CodeCheck took 1441.34ms. Allocated memory is still 234.9MB. Free memory was 188.5MB in the beginning and 125.8MB in the end (delta: 62.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-25 04:12:02,004 INFO L158 Benchmark]: Witness Printer took 169.26ms. Allocated memory is still 234.9MB. Free memory was 125.8MB in the beginning and 119.3MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:12:02,007 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 223]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6505] static __thread int tl_last_error = 0; [L6913-L6918] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7267] CALL aws_string_bytes_harness() [L7263] CALL, EXPR ensure_string_is_allocated_nondet_length() [L6842-L6844] CALL, EXPR ensure_string_is_allocated_bounded_length( (18446744073709551615UL) - 1 - sizeof(struct aws_string)) [L6848] CALL, EXPR nondet_uint64_t() VAL [s_can_fail_allocator_static={4:0}, tl_last_error=0] [L266] return __VERIFIER_nondet_ulong(); [L6848] RET, EXPR nondet_uint64_t() VAL [max_size=18446744073709551598U, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L6848] size_t len = nondet_uint64_t(); [L6849] CALL assume_abort_if_not(len < max_size) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L6849] RET assume_abort_if_not(len < max_size) VAL [len=((unsigned __int128) 1 << 64), max_size=18446744073709551598U, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L6850] CALL, EXPR ensure_string_is_allocated(len) [L6854] CALL, EXPR bounded_malloc(sizeof(struct aws_string) + len + 1) VAL [\old(size)=(((unsigned __int128) 1 << 64) | 17), s_can_fail_allocator_static={4:0}, tl_last_error=0] [L6930-L6932] CALL assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L6930-L6932] RET assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(size)=(((unsigned __int128) 1 << 64) | 17), s_can_fail_allocator_static={4:0}, size=(((unsigned __int128) 1 << 64) | 17), tl_last_error=0] [L6933] return malloc(size); [L6854] RET, EXPR bounded_malloc(sizeof(struct aws_string) + len + 1) VAL [len=((unsigned __int128) 1 << 64), s_can_fail_allocator_static={4:0}, tl_last_error=0] [L6854] struct aws_string *str = bounded_malloc(sizeof(struct aws_string) + len + 1); [L6857] CALL, EXPR nondet_bool() VAL [s_can_fail_allocator_static={4:0}, tl_last_error=0] [L261] return __VERIFIER_nondet_bool(); [L6857] RET, EXPR nondet_bool() VAL [len=((unsigned __int128) 1 << 64), s_can_fail_allocator_static={4:0}, str={-5552:0}, tl_last_error=0] [L6857-L6858] EXPR nondet_bool() ? can_fail_allocator() : ((void *)0) VAL [len=((unsigned __int128) 1 << 64), s_can_fail_allocator_static={4:0}, str={-5552:0}, tl_last_error=0] [L6857-L6858] *(struct aws_allocator **)(&str->allocator) = nondet_bool() ? can_fail_allocator() : ((void *)0) [L6860] *(size_t *)(&str->len) = len [L6861] *(uint8_t *)&str->bytes[len] = '\0' [L6862] return str; [L6850] RET, EXPR ensure_string_is_allocated(len) [L6850] return ensure_string_is_allocated(len); [L6842-L6844] RET, EXPR ensure_string_is_allocated_bounded_length( (18446744073709551615UL) - 1 - sizeof(struct aws_string)) [L6842-L6844] return ensure_string_is_allocated_bounded_length( (18446744073709551615UL) - 1 - sizeof(struct aws_string)); [L7263] RET, EXPR ensure_string_is_allocated_nondet_length() [L7263] struct aws_string *str = ensure_string_is_allocated_nondet_length(); [L7264] CALL, EXPR aws_string_bytes(str) VAL [\old(str)={-5552:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L6281] CALL, EXPR aws_string_is_valid(str) VAL [\old(str)={-5552:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L6293] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) [L6293] EXPR str->len [L6293] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) [L6293] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 [L6293] EXPR str->len [L6293] EXPR str->bytes[str->len] [L6293] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 [L6293] return str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0; [L6281] RET, EXPR aws_string_is_valid(str) VAL [\old(str)={-5552:0}, s_can_fail_allocator_static={4:0}, str={-5552:0}, tl_last_error=0] [L6281] CALL assume_abort_if_not((aws_string_is_valid(str))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L6281] RET assume_abort_if_not((aws_string_is_valid(str))) VAL [\old(str)={-5552:0}, s_can_fail_allocator_static={4:0}, str={-5552:0}, tl_last_error=0] [L6282] return str->bytes; [L7264] RET, EXPR aws_string_bytes(str) VAL [s_can_fail_allocator_static={4:0}, str={-5552:0}, tl_last_error=0] [L7264] CALL __VERIFIER_assert(!(aws_string_bytes(str) == str->bytes)) VAL [\old(cond)=0, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L223] COND TRUE !cond VAL [\old(cond)=0, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L223] reach_error() VAL [\old(cond)=0, s_can_fail_allocator_static={4:0}, tl_last_error=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2799.83ms. Allocated memory is still 117.4MB. Free memory was 85.7MB in the beginning and 64.8MB in the end (delta: 20.9MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.34ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 60.5MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.45ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 57.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 931.07ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 57.8MB in the beginning and 188.5MB in the end (delta: -130.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * CodeCheck took 1441.34ms. Allocated memory is still 234.9MB. Free memory was 188.5MB in the beginning and 125.8MB in the end (delta: 62.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 169.26ms. Allocated memory is still 234.9MB. Free memory was 125.8MB in the beginning and 119.3MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:12:02,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809b6970-1f4d-4294-8cd3-35acaa000893/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE