./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_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/bin/ukojak-verify-CZk0znPC7b/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_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/bin/ukojak-verify-CZk0znPC7b --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 [2024-12-06 04:38:21,940 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:38:21,992 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 04:38:21,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:38:21,996 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:38:22,014 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:38:22,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:38:22,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:38:22,016 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:38:22,016 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:38:22,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:38:22,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:38:22,016 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:38:22,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:38:22,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:38:22,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:38:22,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:38:22,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:38:22,017 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:38:22,017 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:38:22,017 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:38:22,017 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:38:22,017 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:38:22,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:38:22,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:38:22,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:38:22,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:38:22,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:38:22,018 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:38:22,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:38:22,018 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_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/bin/ukojak-verify-CZk0znPC7b 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 [2024-12-06 04:38:22,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:38:22,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:38:22,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:38:22,224 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:38:22,225 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:38:22,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i [2024-12-06 04:38:24,800 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/bin/ukojak-verify-CZk0znPC7b/data/77763d696/f00c2cce8b7d43dc87cb9fe717581fb2/FLAGe3ed9637b [2024-12-06 04:38:25,188 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:38:25,189 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i [2024-12-06 04:38:25,216 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/bin/ukojak-verify-CZk0znPC7b/data/77763d696/f00c2cce8b7d43dc87cb9fe717581fb2/FLAGe3ed9637b [2024-12-06 04:38:25,230 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/bin/ukojak-verify-CZk0znPC7b/data/77763d696/f00c2cce8b7d43dc87cb9fe717581fb2 [2024-12-06 04:38:25,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:38:25,234 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:38:25,235 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:38:25,235 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:38:25,239 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:38:25,240 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:38:25" (1/1) ... [2024-12-06 04:38:25,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b9c9156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:25, skipping insertion in model container [2024-12-06 04:38:25,241 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:38:25" (1/1) ... [2024-12-06 04:38:25,301 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:38:25,498 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_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4490,4503] [2024-12-06 04:38:25,503 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_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4550,4563] [2024-12-06 04:38:26,030 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,031 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,031 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,032 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,032 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,044 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,044 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,046 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,047 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,049 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,050 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,050 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,051 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,444 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_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[147662,147675] [2024-12-06 04:38:26,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:38:26,458 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:38:26,468 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_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4490,4503] [2024-12-06 04:38:26,469 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_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[4550,4563] [2024-12-06 04:38:26,510 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,510 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,510 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,511 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,512 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,521 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,522 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,523 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,523 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,524 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,525 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,525 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,525 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 04:38:26,616 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_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness_negated.i[147662,147675] [2024-12-06 04:38:26,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:38:26,759 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:38:26,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:26 WrapperNode [2024-12-06 04:38:26,759 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:38:26,760 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:38:26,760 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:38:26,760 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:38:26,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:26" (1/1) ... [2024-12-06 04:38:26,809 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:26" (1/1) ... [2024-12-06 04:38:26,833 INFO L138 Inliner]: procedures = 668, calls = 972, calls flagged for inlining = 46, calls inlined = 6, statements flattened = 61 [2024-12-06 04:38:26,834 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:38:26,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:38:26,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:38:26,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:38:26,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:26" (1/1) ... [2024-12-06 04:38:26,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:26" (1/1) ... [2024-12-06 04:38:26,844 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:26" (1/1) ... [2024-12-06 04:38:26,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:26" (1/1) ... [2024-12-06 04:38:26,854 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:26" (1/1) ... [2024-12-06 04:38:26,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:26" (1/1) ... [2024-12-06 04:38:26,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:26" (1/1) ... [2024-12-06 04:38:26,860 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:26" (1/1) ... [2024-12-06 04:38:26,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:26" (1/1) ... [2024-12-06 04:38:26,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:38:26,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:38:26,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:38:26,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:38:26,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:26" (1/1) ... [2024-12-06 04:38:26,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:38:26,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:38:26,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:38:26,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:38:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-12-06 04:38:26,916 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-12-06 04:38:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-12-06 04:38:26,916 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-12-06 04:38:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 04:38:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:38:26,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:38:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 04:38:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:38:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 04:38:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:38:26,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:38:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-12-06 04:38:26,917 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-12-06 04:38:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-12-06 04:38:26,917 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-12-06 04:38:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 04:38:26,917 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 04:38:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 04:38:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-12-06 04:38:26,917 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-12-06 04:38:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-12-06 04:38:26,917 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-12-06 04:38:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 04:38:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:38:27,085 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:38:27,087 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:38:27,239 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-12-06 04:38:27,239 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:38:27,300 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:38:27,300 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 04:38:27,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:38:27 BoogieIcfgContainer [2024-12-06 04:38:27,301 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:38:27,301 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:38:27,301 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:38:27,311 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:38:27,311 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:38:27" (1/1) ... [2024-12-06 04:38:27,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:38:27,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:27,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 44 states and 49 transitions. [2024-12-06 04:38:27,364 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2024-12-06 04:38:27,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 04:38:27,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:27,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:38:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:38:27,686 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:38:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:38:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:38:28,075 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:38:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:38:28,158 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:38:28,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:38:28 ImpRootNode [2024-12-06 04:38:28,189 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:38:28,190 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:38:28,190 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:38:28,190 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:38:28,191 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:38:27" (3/4) ... [2024-12-06 04:38:28,192 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 04:38:28,240 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 29. [2024-12-06 04:38:28,297 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:38:28,297 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:38:28,297 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:38:28,298 INFO L158 Benchmark]: Toolchain (without parser) took 3064.50ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 110.8MB in the beginning and 247.0MB in the end (delta: -136.3MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2024-12-06 04:38:28,298 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:38:28,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1524.48ms. Allocated memory is still 142.6MB. Free memory was 110.8MB in the beginning and 92.4MB in the end (delta: 18.4MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. [2024-12-06 04:38:28,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.92ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 87.7MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:38:28,299 INFO L158 Benchmark]: Boogie Preprocessor took 29.88ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 85.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:38:28,299 INFO L158 Benchmark]: RCFGBuilder took 436.02ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 60.2MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 04:38:28,300 INFO L158 Benchmark]: CodeCheck took 887.92ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 60.2MB in the beginning and 254.3MB in the end (delta: -194.1MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-12-06 04:38:28,300 INFO L158 Benchmark]: Witness Printer took 107.45ms. Allocated memory is still 352.3MB. Free memory was 253.5MB in the beginning and 247.0MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:38:28,302 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: 0.8s, 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 0.25ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1524.48ms. Allocated memory is still 142.6MB. Free memory was 110.8MB in the beginning and 92.4MB in the end (delta: 18.4MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.92ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 87.7MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.88ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 85.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 436.02ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 60.2MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 887.92ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 60.2MB in the beginning and 254.3MB in the end (delta: -194.1MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * Witness Printer took 107.45ms. Allocated memory is still 352.3MB. Free memory was 253.5MB in the beginning and 247.0MB 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! [2024-12-06 04:38:28,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41cb41a1-d9c8-4771-85c7-8d4965e13dc6/bin/ukojak-verify-CZk0znPC7b/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