./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7996e2f7-e3f0-4dc8-b57e-fe4746a5d280/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7996e2f7-e3f0-4dc8-b57e-fe4746a5d280/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7996e2f7-e3f0-4dc8-b57e-fe4746a5d280/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7996e2f7-e3f0-4dc8-b57e-fe4746a5d280/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.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_7996e2f7-e3f0-4dc8-b57e-fe4746a5d280/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7996e2f7-e3f0-4dc8-b57e-fe4746a5d280/bin/uautomizer-verify-qhAvR1uOyd --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 19455853cda764ac85d99c02becba7d89023dbca8554ed2a57443899aa957d24 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:14:19,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:14:20,027 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7996e2f7-e3f0-4dc8-b57e-fe4746a5d280/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 16:14:20,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:14:20,040 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:14:20,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:14:20,076 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:14:20,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:14:20,077 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:14:20,077 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:14:20,077 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:14:20,077 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:14:20,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:14:20,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:14:20,080 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:14:20,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:14:20,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:14:20,080 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:14:20,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:14:20,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:14:20,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:14:20,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:14:20,081 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:14:20,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:14:20,081 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:14:20,081 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:14:20,081 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:14:20,081 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:14:20,081 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:14:20,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:14:20,082 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:14:20,082 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:14:20,082 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:14:20,082 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:14:20,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:14:20,082 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:14:20,082 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:14:20,082 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:14:20,082 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:14:20,082 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_7996e2f7-e3f0-4dc8-b57e-fe4746a5d280/bin/uautomizer-verify-qhAvR1uOyd 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 -> Automizer 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 [2024-11-13 16:14:20,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:14:20,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:14:20,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:14:20,370 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:14:20,370 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:14:20,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7996e2f7-e3f0-4dc8-b57e-fe4746a5d280/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i Unable to find full path for "g++" [2024-11-13 16:14:22,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:14:22,960 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:14:22,961 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7996e2f7-e3f0-4dc8-b57e-fe4746a5d280/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i [2024-11-13 16:14:23,013 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7996e2f7-e3f0-4dc8-b57e-fe4746a5d280/bin/uautomizer-verify-qhAvR1uOyd/data/8d38b1bdc/785e58233f574936a301aa0542fdd19c/FLAG7a284bf7f [2024-11-13 16:14:23,037 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7996e2f7-e3f0-4dc8-b57e-fe4746a5d280/bin/uautomizer-verify-qhAvR1uOyd/data/8d38b1bdc/785e58233f574936a301aa0542fdd19c [2024-11-13 16:14:23,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:14:23,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:14:23,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:14:23,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:14:23,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:14:23,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:14:23" (1/1) ... [2024-11-13 16:14:23,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31da82e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:23, skipping insertion in model container [2024-11-13 16:14:23,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:14:23" (1/1) ... [2024-11-13 16:14:23,155 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:14:23,459 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_7996e2f7-e3f0-4dc8-b57e-fe4746a5d280/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4490,4503] [2024-11-13 16:14:23,465 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_7996e2f7-e3f0-4dc8-b57e-fe4746a5d280/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4550,4563] [2024-11-13 16:14:24,326 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:24,327 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:24,328 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:24,328 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:24,330 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:24,345 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:24,346 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:24,348 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:24,349 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:24,351 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:24,352 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:24,352 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:24,353 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:24,979 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_7996e2f7-e3f0-4dc8-b57e-fe4746a5d280/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[147662,147675] [2024-11-13 16:14:24,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:14:25,008 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:14:25,029 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_7996e2f7-e3f0-4dc8-b57e-fe4746a5d280/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4490,4503] [2024-11-13 16:14:25,033 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_7996e2f7-e3f0-4dc8-b57e-fe4746a5d280/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4550,4563] [2024-11-13 16:14:25,153 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:25,154 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:25,154 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:25,154 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:25,155 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:25,177 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:25,177 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:25,179 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:25,179 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:25,181 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:25,186 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:25,187 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:25,187 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 16:14:25,359 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_7996e2f7-e3f0-4dc8-b57e-fe4746a5d280/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[147662,147675] [2024-11-13 16:14:25,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:14:25,554 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:14:25,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:25 WrapperNode [2024-11-13 16:14:25,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:14:25,556 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:14:25,556 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:14:25,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:14:25,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:25" (1/1) ... [2024-11-13 16:14:25,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:25" (1/1) ... [2024-11-13 16:14:25,641 INFO L138 Inliner]: procedures = 668, calls = 972, calls flagged for inlining = 46, calls inlined = 6, statements flattened = 61 [2024-11-13 16:14:25,641 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:14:25,642 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:14:25,642 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:14:25,642 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:14:25,651 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:25" (1/1) ... [2024-11-13 16:14:25,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:25" (1/1) ... [2024-11-13 16:14:25,657 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:25" (1/1) ... [2024-11-13 16:14:25,692 INFO L175 MemorySlicer]: Split 13 memory accesses to 3 slices as follows [2, 5, 6]. 46 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0]. The 3 writes are split as follows [0, 0, 3]. [2024-11-13 16:14:25,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:25" (1/1) ... [2024-11-13 16:14:25,693 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:25" (1/1) ... [2024-11-13 16:14:25,711 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:25" (1/1) ... [2024-11-13 16:14:25,716 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:25" (1/1) ... [2024-11-13 16:14:25,722 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:25" (1/1) ... [2024-11-13 16:14:25,723 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:25" (1/1) ... [2024-11-13 16:14:25,731 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:14:25,732 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:14:25,732 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:14:25,732 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:14:25,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:25" (1/1) ... [2024-11-13 16:14:25,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:14:25,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7996e2f7-e3f0-4dc8-b57e-fe4746a5d280/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:14:25,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7996e2f7-e3f0-4dc8-b57e-fe4746a5d280/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:14:25,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7996e2f7-e3f0-4dc8-b57e-fe4746a5d280/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:14:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-13 16:14:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-13 16:14:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-13 16:14:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-13 16:14:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 16:14:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 16:14:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 16:14:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:14:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:14:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 16:14:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:14:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 16:14:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 16:14:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 16:14:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:14:25,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:14:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-13 16:14:25,809 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-13 16:14:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-11-13 16:14:25,809 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-11-13 16:14:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:14:25,809 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:14:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 16:14:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 16:14:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-13 16:14:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-13 16:14:25,809 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-13 16:14:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-13 16:14:25,809 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-13 16:14:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 16:14:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 16:14:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 16:14:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:14:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 16:14:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 16:14:26,116 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:14:26,119 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:14:26,367 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-13 16:14:26,367 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:14:26,401 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:14:26,402 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:14:26,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:14:26 BoogieIcfgContainer [2024-11-13 16:14:26,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:14:26,405 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:14:26,405 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:14:26,410 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:14:26,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:14:23" (1/3) ... [2024-11-13 16:14:26,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c17bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:14:26, skipping insertion in model container [2024-11-13 16:14:26,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:25" (2/3) ... [2024-11-13 16:14:26,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c17bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:14:26, skipping insertion in model container [2024-11-13 16:14:26,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:14:26" (3/3) ... [2024-11-13 16:14:26,414 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_bytes_harness_negated.i [2024-11-13 16:14:26,433 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:14:26,436 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_bytes_harness_negated.i that has 9 procedures, 63 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-13 16:14:26,504 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:14:26,520 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=PETRI_NET, 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;@d2e9d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:14:26,520 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 16:14:26,525 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 41 states have (on average 1.146341463414634) internal successors, (47), 42 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 16:14:26,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 16:14:26,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:26,535 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-13 16:14:26,536 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:14:26,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:26,542 INFO L85 PathProgramCache]: Analyzing trace with hash -868059006, now seen corresponding path program 1 times [2024-11-13 16:14:26,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:14:26,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472416478] [2024-11-13 16:14:26,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:26,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:14:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:26,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:14:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:26,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 16:14:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:27,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 16:14:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:27,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:14:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:27,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:14:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:27,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 16:14:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:27,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:14:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:27,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 16:14:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:27,257 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:14:27,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:14:27,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472416478] [2024-11-13 16:14:27,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472416478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:14:27,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:14:27,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:14:27,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659242624] [2024-11-13 16:14:27,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:14:27,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:14:27,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:14:27,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:14:27,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:14:27,295 INFO L87 Difference]: Start difference. First operand has 63 states, 41 states have (on average 1.146341463414634) internal successors, (47), 42 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-13 16:14:27,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:27,508 INFO L93 Difference]: Finished difference Result 118 states and 140 transitions. [2024-11-13 16:14:27,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:14:27,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2024-11-13 16:14:27,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:27,520 INFO L225 Difference]: With dead ends: 118 [2024-11-13 16:14:27,521 INFO L226 Difference]: Without dead ends: 58 [2024-11-13 16:14:27,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:14:27,531 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 28 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:27,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 56 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:14:27,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-13 16:14:27,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-13 16:14:27,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 38 states have internal predecessors, (41), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-13 16:14:27,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 64 transitions. [2024-11-13 16:14:27,579 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 64 transitions. Word has length 55 [2024-11-13 16:14:27,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:27,580 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 64 transitions. [2024-11-13 16:14:27,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-13 16:14:27,581 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 64 transitions. [2024-11-13 16:14:27,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 16:14:27,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:27,585 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-13 16:14:27,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:14:27,586 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:14:27,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:27,588 INFO L85 PathProgramCache]: Analyzing trace with hash -362172612, now seen corresponding path program 1 times [2024-11-13 16:14:27,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:14:27,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108993040] [2024-11-13 16:14:27,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:27,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:14:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:14:27,930 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:14:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:14:28,144 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:14:28,144 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 16:14:28,146 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 16:14:28,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:14:28,151 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 16:14:28,206 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:14:28,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:14:28 BoogieIcfgContainer [2024-11-13 16:14:28,212 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:14:28,213 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:14:28,213 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:14:28,214 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:14:28,215 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:14:26" (3/4) ... [2024-11-13 16:14:28,216 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 16:14:28,275 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7996e2f7-e3f0-4dc8-b57e-fe4746a5d280/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 16:14:28,275 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:14:28,276 INFO L158 Benchmark]: Toolchain (without parser) took 5233.06ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 85.9MB in the beginning and 164.2MB in the end (delta: -78.2MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2024-11-13 16:14:28,277 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:14:28,278 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2510.55ms. Allocated memory is still 117.4MB. Free memory was 85.7MB in the beginning and 62.1MB in the end (delta: 23.6MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. [2024-11-13 16:14:28,278 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.77ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 57.6MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:14:28,278 INFO L158 Benchmark]: Boogie Preprocessor took 89.62ms. Allocated memory is still 117.4MB. Free memory was 57.6MB in the beginning and 53.7MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:14:28,279 INFO L158 Benchmark]: RCFGBuilder took 670.49ms. Allocated memory is still 117.4MB. Free memory was 53.7MB in the beginning and 73.9MB in the end (delta: -20.2MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2024-11-13 16:14:28,280 INFO L158 Benchmark]: TraceAbstraction took 1807.39ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 73.2MB in the beginning and 167.4MB in the end (delta: -94.2MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-11-13 16:14:28,280 INFO L158 Benchmark]: Witness Printer took 61.86ms. Allocated memory is still 234.9MB. Free memory was 167.4MB in the beginning and 164.2MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:14:28,282 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2510.55ms. Allocated memory is still 117.4MB. Free memory was 85.7MB in the beginning and 62.1MB in the end (delta: 23.6MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.77ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 57.6MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.62ms. Allocated memory is still 117.4MB. Free memory was 57.6MB in the beginning and 53.7MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 670.49ms. Allocated memory is still 117.4MB. Free memory was 53.7MB in the beginning and 73.9MB in the end (delta: -20.2MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1807.39ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 73.2MB in the beginning and 167.4MB in the end (delta: -94.2MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Witness Printer took 61.86ms. Allocated memory is still 234.9MB. Free memory was 167.4MB in the beginning and 164.2MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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, }; [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, }; [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, }; [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, }; [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, }; [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, }; VAL [s_can_fail_allocator_static={4:0}, tl_last_error=0] [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) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [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) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [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={-2:0}, 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={-2:0}, 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; VAL [\result={-2:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [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)={-2:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L6281] CALL, EXPR aws_string_is_valid(str) VAL [\old(str)={-2:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L6293] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) VAL [\old(str)={-2:0}, s_can_fail_allocator_static={4:0}, str={-2:0}, 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]))) VAL [\old(str)={-2:0}, s_can_fail_allocator_static={4:0}, str={-2:0}, tl_last_error=0] [L6293] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 VAL [\old(str)={-2:0}, s_can_fail_allocator_static={4:0}, str={-2:0}, tl_last_error=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 VAL [\old(str)={-2:0}, s_can_fail_allocator_static={4:0}, tl_last_error=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)={-2:0}, s_can_fail_allocator_static={4:0}, str={-2:0}, 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) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L6281] RET assume_abort_if_not((aws_string_is_valid(str))) VAL [\old(str)={-2:0}, s_can_fail_allocator_static={4:0}, str={-2:0}, tl_last_error=0] [L6282] return str->bytes; VAL [\old(str)={-2:0}, \result={-2:16}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L7264] RET, EXPR aws_string_bytes(str) VAL [s_can_fail_allocator_static={4:0}, str={-2:0}, 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] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 38 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-13 16:14:28,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7996e2f7-e3f0-4dc8-b57e-fe4746a5d280/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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