./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_linked_list_init_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_603a9c9d-875b-4b4c-94b7-33eb5035b690/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603a9c9d-875b-4b4c-94b7-33eb5035b690/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_603a9c9d-875b-4b4c-94b7-33eb5035b690/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603a9c9d-875b-4b4c-94b7-33eb5035b690/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_init_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603a9c9d-875b-4b4c-94b7-33eb5035b690/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_603a9c9d-875b-4b4c-94b7-33eb5035b690/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 cfa46b1b74f9528e420997256345b81eb5e96730cd46353f45cf9329326ca074 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:19:48,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:19:48,555 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603a9c9d-875b-4b4c-94b7-33eb5035b690/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 01:19:48,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:19:48,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:19:48,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:19:48,579 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:19:48,579 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:19:48,580 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:19:48,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:19:48,580 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:19:48,580 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:19:48,580 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:19:48,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:19:48,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:19:48,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:19:48,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:19:48,581 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:19:48,581 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:19:48,581 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:19:48,581 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:19:48,581 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:19:48,581 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:19:48,581 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:19:48,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:19:48,582 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:19:48,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:19:48,582 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:19:48,582 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:19:48,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:19:48,582 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_603a9c9d-875b-4b4c-94b7-33eb5035b690/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 -> cfa46b1b74f9528e420997256345b81eb5e96730cd46353f45cf9329326ca074 [2024-12-06 01:19:48,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:19:48,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:19:48,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:19:48,804 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:19:48,804 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:19:48,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603a9c9d-875b-4b4c-94b7-33eb5035b690/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/aws-c-common/aws_linked_list_init_harness_negated.i [2024-12-06 01:19:51,463 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603a9c9d-875b-4b4c-94b7-33eb5035b690/bin/ukojak-verify-CZk0znPC7b/data/9b83a8e03/cf692f07fdaf4c27b205bd27348b05bb/FLAG4fa4d37d8 [2024-12-06 01:19:51,882 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:19:51,883 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603a9c9d-875b-4b4c-94b7-33eb5035b690/sv-benchmarks/c/aws-c-common/aws_linked_list_init_harness_negated.i [2024-12-06 01:19:51,907 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603a9c9d-875b-4b4c-94b7-33eb5035b690/bin/ukojak-verify-CZk0znPC7b/data/9b83a8e03/cf692f07fdaf4c27b205bd27348b05bb/FLAG4fa4d37d8 [2024-12-06 01:19:52,045 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603a9c9d-875b-4b4c-94b7-33eb5035b690/bin/ukojak-verify-CZk0znPC7b/data/9b83a8e03/cf692f07fdaf4c27b205bd27348b05bb [2024-12-06 01:19:52,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:19:52,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:19:52,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:19:52,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:19:52,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:19:52,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:19:52" (1/1) ... [2024-12-06 01:19:52,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26459d40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:52, skipping insertion in model container [2024-12-06 01:19:52,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:19:52" (1/1) ... [2024-12-06 01:19:52,115 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:19:52,298 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_603a9c9d-875b-4b4c-94b7-33eb5035b690/sv-benchmarks/c/aws-c-common/aws_linked_list_init_harness_negated.i[4494,4507] [2024-12-06 01:19:52,304 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_603a9c9d-875b-4b4c-94b7-33eb5035b690/sv-benchmarks/c/aws-c-common/aws_linked_list_init_harness_negated.i[4554,4567] [2024-12-06 01:19:52,935 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:52,936 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:52,937 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:52,937 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:52,938 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:52,952 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:52,953 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:52,955 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:52,956 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:52,958 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:52,959 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:52,960 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:52,960 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:53,429 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_603a9c9d-875b-4b4c-94b7-33eb5035b690/sv-benchmarks/c/aws-c-common/aws_linked_list_init_harness_negated.i[150488,150501] [2024-12-06 01:19:53,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:19:53,444 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:19:53,457 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_603a9c9d-875b-4b4c-94b7-33eb5035b690/sv-benchmarks/c/aws-c-common/aws_linked_list_init_harness_negated.i[4494,4507] [2024-12-06 01:19:53,457 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_603a9c9d-875b-4b4c-94b7-33eb5035b690/sv-benchmarks/c/aws-c-common/aws_linked_list_init_harness_negated.i[4554,4567] [2024-12-06 01:19:53,503 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:53,503 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:53,503 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:53,504 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:53,504 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:53,513 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:53,513 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:53,514 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:53,515 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:53,516 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:53,516 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:53,517 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:53,517 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-06 01:19:53,613 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_603a9c9d-875b-4b4c-94b7-33eb5035b690/sv-benchmarks/c/aws-c-common/aws_linked_list_init_harness_negated.i[150488,150501] [2024-12-06 01:19:53,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:19:53,755 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:19:53,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:53 WrapperNode [2024-12-06 01:19:53,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:19:53,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:19:53,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:19:53,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:19:53,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:53" (1/1) ... [2024-12-06 01:19:53,807 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:53" (1/1) ... [2024-12-06 01:19:53,832 INFO L138 Inliner]: procedures = 668, calls = 1034, calls flagged for inlining = 51, calls inlined = 4, statements flattened = 91 [2024-12-06 01:19:53,832 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:19:53,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:19:53,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:19:53,833 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:19:53,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:53" (1/1) ... [2024-12-06 01:19:53,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:53" (1/1) ... [2024-12-06 01:19:53,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:53" (1/1) ... [2024-12-06 01:19:53,844 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:53" (1/1) ... [2024-12-06 01:19:53,853 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:53" (1/1) ... [2024-12-06 01:19:53,854 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:53" (1/1) ... [2024-12-06 01:19:53,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:53" (1/1) ... [2024-12-06 01:19:53,860 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:53" (1/1) ... [2024-12-06 01:19:53,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:53" (1/1) ... [2024-12-06 01:19:53,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:19:53,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:19:53,866 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:19:53,866 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:19:53,867 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:53" (1/1) ... [2024-12-06 01:19:53,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:19:53,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603a9c9d-875b-4b4c-94b7-33eb5035b690/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:19:53,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603a9c9d-875b-4b4c-94b7-33eb5035b690/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:19:53,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603a9c9d-875b-4b4c-94b7-33eb5035b690/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:19:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_init [2024-12-06 01:19:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_init [2024-12-06 01:19:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:19:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:19:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:19:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2024-12-06 01:19:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2024-12-06 01:19:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_is_valid [2024-12-06 01:19:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_is_valid [2024-12-06 01:19:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:19:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 01:19:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:19:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:19:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_empty [2024-12-06 01:19:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_empty [2024-12-06 01:19:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:19:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:19:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 01:19:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 01:19:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 01:19:53,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:19:54,082 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:19:54,083 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:19:54,256 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-12-06 01:19:54,256 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:19:54,336 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:19:54,336 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:19:54,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:19:54 BoogieIcfgContainer [2024-12-06 01:19:54,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:19:54,337 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:19:54,337 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:19:54,344 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:19:54,344 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:19:54" (1/1) ... [2024-12-06 01:19:54,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:19:54,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:54,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 50 transitions. [2024-12-06 01:19:54,388 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2024-12-06 01:19:54,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 01:19:54,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:54,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:19:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:54,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:19:55,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:55,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 46 states and 61 transitions. [2024-12-06 01:19:55,084 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2024-12-06 01:19:55,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 01:19:55,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:55,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:19:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:55,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:19:55,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:55,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 49 states and 67 transitions. [2024-12-06 01:19:55,681 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 67 transitions. [2024-12-06 01:19:55,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 01:19:55,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:55,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:19:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:56,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:19:57,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:57,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 54 states and 78 transitions. [2024-12-06 01:19:57,240 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2024-12-06 01:19:57,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 01:19:57,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:57,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:19:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:57,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:19:57,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:57,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 56 states and 83 transitions. [2024-12-06 01:19:57,827 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2024-12-06 01:19:57,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 01:19:57,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:57,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:19:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:58,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:19:58,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:58,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 58 states and 87 transitions. [2024-12-06 01:19:58,590 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 87 transitions. [2024-12-06 01:19:58,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 01:19:58,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:58,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:19:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:59,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:20:00,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:00,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 63 states and 96 transitions. [2024-12-06 01:20:00,973 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2024-12-06 01:20:00,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:20:00,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:00,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:20:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:02,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:20:03,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:03,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 65 states and 100 transitions. [2024-12-06 01:20:03,662 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2024-12-06 01:20:03,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 01:20:03,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:03,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:20:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:20:03,703 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:20:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:20:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:20:03,811 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:20:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:20:03,870 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2024-12-06 01:20:03,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:20:03 ImpRootNode [2024-12-06 01:20:03,900 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:20:03,900 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:20:03,900 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:20:03,901 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:20:03,901 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:19:54" (3/4) ... [2024-12-06 01:20:03,902 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 01:20:03,943 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 21. [2024-12-06 01:20:03,990 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603a9c9d-875b-4b4c-94b7-33eb5035b690/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:20:03,991 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603a9c9d-875b-4b4c-94b7-33eb5035b690/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:20:03,991 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:20:03,992 INFO L158 Benchmark]: Toolchain (without parser) took 11943.01ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 111.2MB in the beginning and 302.8MB in the end (delta: -191.6MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. [2024-12-06 01:20:03,992 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:20:03,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1705.85ms. Allocated memory is still 142.6MB. Free memory was 110.9MB in the beginning and 94.0MB in the end (delta: 16.9MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. [2024-12-06 01:20:03,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.16ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 89.5MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:20:03,993 INFO L158 Benchmark]: Boogie Preprocessor took 32.70ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 87.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:20:03,993 INFO L158 Benchmark]: RCFGBuilder took 470.52ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 58.3MB in the end (delta: 28.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:20:03,994 INFO L158 Benchmark]: CodeCheck took 9562.59ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 58.3MB in the beginning and 310.7MB in the end (delta: -252.5MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2024-12-06 01:20:03,994 INFO L158 Benchmark]: Witness Printer took 90.40ms. Allocated memory is still 419.4MB. Free memory was 310.7MB in the beginning and 302.8MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:20:03,996 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 7 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.5s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 500 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 429 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 142 mSDsCounter, 251 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 923 IncrementalHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 251 mSolverCounterUnsat, 287 mSDtfsCounter, 923 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1402 GetRequests, 1273 SyntacticMatches, 5 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3405 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 181 NumberOfCodeBlocks, 181 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 147 ConstructedInterpolants, 0 QuantifiedInterpolants, 698 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 4/5 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: [L6901-L6906] 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, }; [L7326] static __thread int tl_last_error = 0; [L7355] CALL aws_linked_list_init_harness() [L7344] struct aws_linked_list list; VAL [list={21535:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L7350] CALL aws_linked_list_init(&list) VAL [\old(list)={21535:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4771] CALL assume_abort_if_not((list)) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L4771] RET assume_abort_if_not((list)) VAL [\old(list)={21535:0}, list={21535:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4772] list->head.next = &list->tail [L4773-L4774] list->head.prev = ((void *)0) [L4776] list->tail.prev = &list->head [L4777-L4778] list->tail.next = ((void *)0) VAL [\old(list)={21535:0}, list={21535:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4780] CALL, EXPR aws_linked_list_is_valid(list) VAL [\old(list)={21535:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4694] EXPR list && list->head.next [L4694] EXPR list->head.next [L4694] EXPR list && list->head.next [L4694-L4695] EXPR list && list->head.next && list->head.prev == ((void *)0) [L4694] EXPR list->head.prev [L4694-L4695] EXPR list && list->head.next && list->head.prev == ((void *)0) [L4694-L4696] EXPR list && list->head.next && list->head.prev == ((void *)0) && list->tail.prev [L4696] EXPR list->tail.prev [L4694-L4696] EXPR list && list->head.next && list->head.prev == ((void *)0) && list->tail.prev [L4694-L4697] list && list->head.next && list->head.prev == ((void *)0) && list->tail.prev && list->tail.next == ((void *)0) [L4696] EXPR list->tail.next [L4694-L4697] list && list->head.next && list->head.prev == ((void *)0) && list->tail.prev && list->tail.next == ((void *)0) VAL [\old(list)={21535:0}, list={21535:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4694-L4697] COND TRUE list && list->head.next && list->head.prev == ((void *)0) && list->tail.prev && list->tail.next == ((void *)0) [L4700] CALL, EXPR aws_linked_list_is_valid_deep(list) [L4734] COND FALSE !(!list) [L4740] const struct aws_linked_list_node *temp = &list->head; [L4743-L4746] _Bool head_reaches_tail = 0 ; VAL [head_reaches_tail=0, list={21535:0}, s_can_fail_allocator_static={4:0}, temp={21535:0}, tl_last_error=0] [L4750] COND TRUE \read(*temp) VAL [head_reaches_tail=0, list={21535:0}, s_can_fail_allocator_static={4:0}, temp={21535:0}, tl_last_error=0] [L4751] COND FALSE !(temp == &list->tail) VAL [head_reaches_tail=0, list={21535:0}, s_can_fail_allocator_static={4:0}, temp={21535:0}, tl_last_error=0] [L4756] CALL, EXPR aws_linked_list_node_next_is_valid(temp) VAL [\old(node)={21535:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4718] EXPR node && node->next [L4718] EXPR node->next [L4718] EXPR node && node->next [L4718] EXPR node && node->next && node->next->prev == node [L4718] EXPR node->next [L4718] EXPR node->next->prev [L4718] EXPR node && node->next && node->next->prev == node [L4718] return node && node->next && node->next->prev == node; [L4756] RET, EXPR aws_linked_list_node_next_is_valid(temp) VAL [head_reaches_tail=0, list={21535:0}, s_can_fail_allocator_static={4:0}, temp={21535:0}, tl_last_error=0] [L4756] COND FALSE !(!aws_linked_list_node_next_is_valid(temp)) [L4762] EXPR temp->next [L4762] temp = temp->next [L4750] COND TRUE \read(*temp) VAL [head_reaches_tail=0, list={21535:0}, s_can_fail_allocator_static={4:0}, temp={21535:16}, tl_last_error=0] [L4751] COND TRUE temp == &list->tail [L4752-L4753] head_reaches_tail = 1 VAL [head_reaches_tail=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4764] return head_reaches_tail; VAL [\result=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4700] RET, EXPR aws_linked_list_is_valid_deep(list) [L4700] return aws_linked_list_is_valid_deep(list); [L4780] RET, EXPR aws_linked_list_is_valid(list) VAL [\old(list)={21535:0}, list={21535:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4780] CALL __VERIFIER_assert(!((aws_linked_list_is_valid(list)))) 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 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1705.85ms. Allocated memory is still 142.6MB. Free memory was 110.9MB in the beginning and 94.0MB in the end (delta: 16.9MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.16ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 89.5MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.70ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 87.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 470.52ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 58.3MB in the end (delta: 28.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 9562.59ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 58.3MB in the beginning and 310.7MB in the end (delta: -252.5MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Witness Printer took 90.40ms. Allocated memory is still 419.4MB. Free memory was 310.7MB in the beginning and 302.8MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 01:20:04,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_603a9c9d-875b-4b4c-94b7-33eb5035b690/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