./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f612671b-a4d7-4ba1-8335-9e6720bca3d9/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f612671b-a4d7-4ba1-8335-9e6720bca3d9/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f612671b-a4d7-4ba1-8335-9e6720bca3d9/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f612671b-a4d7-4ba1-8335-9e6720bca3d9/bin/ukojak-verify-ImItNfHLgk/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_f612671b-a4d7-4ba1-8335-9e6720bca3d9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f612671b-a4d7-4ba1-8335-9e6720bca3d9/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-09 00:37:35,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:37:35,455 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f612671b-a4d7-4ba1-8335-9e6720bca3d9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-09 00:37:35,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:37:35,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:37:35,507 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:37:35,508 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:37:35,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:37:35,510 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:37:35,513 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:37:35,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:37:35,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:37:35,514 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:37:35,515 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:37:35,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:37:35,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:37:35,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:37:35,520 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:37:35,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:37:35,521 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:37:35,521 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:37:35,522 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:37:35,522 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:37:35,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:37:35,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:37:35,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:37:35,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:37:35,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:37:35,524 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:37:35,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:37:35,525 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f612671b-a4d7-4ba1-8335-9e6720bca3d9/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f612671b-a4d7-4ba1-8335-9e6720bca3d9/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfa46b1b74f9528e420997256345b81eb5e96730cd46353f45cf9329326ca074 [2024-11-09 00:37:35,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:37:35,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:37:35,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:37:35,902 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:37:35,903 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:37:35,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f612671b-a4d7-4ba1-8335-9e6720bca3d9/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/aws-c-common/aws_linked_list_init_harness_negated.i Unable to find full path for "g++" [2024-11-09 00:37:37,871 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:37:38,400 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:37:38,401 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f612671b-a4d7-4ba1-8335-9e6720bca3d9/sv-benchmarks/c/aws-c-common/aws_linked_list_init_harness_negated.i [2024-11-09 00:37:38,453 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f612671b-a4d7-4ba1-8335-9e6720bca3d9/bin/ukojak-verify-ImItNfHLgk/data/b135bcf4d/eecb8a77a8c048398dde7808f8d22738/FLAG5841e9c7c [2024-11-09 00:37:38,470 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f612671b-a4d7-4ba1-8335-9e6720bca3d9/bin/ukojak-verify-ImItNfHLgk/data/b135bcf4d/eecb8a77a8c048398dde7808f8d22738 [2024-11-09 00:37:38,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:37:38,475 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:37:38,477 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:37:38,478 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:37:38,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:37:38,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:37:38" (1/1) ... [2024-11-09 00:37:38,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cc080d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:38, skipping insertion in model container [2024-11-09 00:37:38,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:37:38" (1/1) ... [2024-11-09 00:37:38,612 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:37:38,928 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_f612671b-a4d7-4ba1-8335-9e6720bca3d9/sv-benchmarks/c/aws-c-common/aws_linked_list_init_harness_negated.i[4494,4507] [2024-11-09 00:37:38,937 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_f612671b-a4d7-4ba1-8335-9e6720bca3d9/sv-benchmarks/c/aws-c-common/aws_linked_list_init_harness_negated.i[4554,4567] [2024-11-09 00:37:39,847 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:39,848 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:39,849 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:39,850 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:39,851 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:39,869 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:39,870 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:39,873 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:39,874 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:39,876 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:39,878 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:39,879 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:39,880 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:40,601 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_f612671b-a4d7-4ba1-8335-9e6720bca3d9/sv-benchmarks/c/aws-c-common/aws_linked_list_init_harness_negated.i[150488,150501] [2024-11-09 00:37:40,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:37:40,628 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:37:40,654 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_f612671b-a4d7-4ba1-8335-9e6720bca3d9/sv-benchmarks/c/aws-c-common/aws_linked_list_init_harness_negated.i[4494,4507] [2024-11-09 00:37:40,655 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_f612671b-a4d7-4ba1-8335-9e6720bca3d9/sv-benchmarks/c/aws-c-common/aws_linked_list_init_harness_negated.i[4554,4567] [2024-11-09 00:37:40,751 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:40,752 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:40,752 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:40,753 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:40,754 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:40,779 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:40,780 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:40,781 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:40,782 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:40,788 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:40,789 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:40,790 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:40,793 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 00:37:41,039 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_f612671b-a4d7-4ba1-8335-9e6720bca3d9/sv-benchmarks/c/aws-c-common/aws_linked_list_init_harness_negated.i[150488,150501] [2024-11-09 00:37:41,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:37:41,300 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:37:41,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:41 WrapperNode [2024-11-09 00:37:41,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:37:41,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:37:41,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:37:41,302 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:37:41,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:41" (1/1) ... [2024-11-09 00:37:41,382 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:41" (1/1) ... [2024-11-09 00:37:41,421 INFO L138 Inliner]: procedures = 668, calls = 1034, calls flagged for inlining = 51, calls inlined = 4, statements flattened = 91 [2024-11-09 00:37:41,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:37:41,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:37:41,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:37:41,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:37:41,436 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:41" (1/1) ... [2024-11-09 00:37:41,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:41" (1/1) ... [2024-11-09 00:37:41,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:41" (1/1) ... [2024-11-09 00:37:41,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:41" (1/1) ... [2024-11-09 00:37:41,471 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:41" (1/1) ... [2024-11-09 00:37:41,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:41" (1/1) ... [2024-11-09 00:37:41,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:41" (1/1) ... [2024-11-09 00:37:41,486 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:41" (1/1) ... [2024-11-09 00:37:41,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:37:41,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:37:41,502 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:37:41,502 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:37:41,503 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:41" (1/1) ... [2024-11-09 00:37:41,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:37:41,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f612671b-a4d7-4ba1-8335-9e6720bca3d9/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:37:41,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f612671b-a4d7-4ba1-8335-9e6720bca3d9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:37:41,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f612671b-a4d7-4ba1-8335-9e6720bca3d9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:37:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_init [2024-11-09 00:37:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_init [2024-11-09 00:37:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:37:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:37:41,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:37:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2024-11-09 00:37:41,588 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2024-11-09 00:37:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_is_valid [2024-11-09 00:37:41,589 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_is_valid [2024-11-09 00:37:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:37:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 00:37:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:37:41,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:37:41,591 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_empty [2024-11-09 00:37:41,591 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_empty [2024-11-09 00:37:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:37:41,592 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:37:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:37:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 00:37:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 00:37:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:37:41,839 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:37:41,842 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:37:42,089 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-09 00:37:42,089 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:37:42,229 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:37:42,229 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:37:42,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:37:42 BoogieIcfgContainer [2024-11-09 00:37:42,230 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:37:42,231 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:37:42,231 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:37:42,240 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:37:42,240 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:37:42" (1/1) ... [2024-11-09 00:37:42,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:37:42,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:42,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 52 transitions. [2024-11-09 00:37:42,304 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2024-11-09 00:37:42,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:37:42,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:42,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:43,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:37:43,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:43,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2024-11-09 00:37:43,379 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2024-11-09 00:37:43,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:37:43,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:43,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:43,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:37:44,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:44,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 50 states and 69 transitions. [2024-11-09 00:37:44,195 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 69 transitions. [2024-11-09 00:37:44,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:37:44,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:44,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:44,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:37:46,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:46,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 55 states and 81 transitions. [2024-11-09 00:37:46,324 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2024-11-09 00:37:46,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:37:46,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:46,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:46,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:37:46,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:46,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 82 transitions. [2024-11-09 00:37:46,558 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2024-11-09 00:37:46,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:37:46,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:46,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:46,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:37:47,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:47,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 59 states and 89 transitions. [2024-11-09 00:37:47,337 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions. [2024-11-09 00:37:47,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:37:47,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:47,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:48,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:37:48,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:48,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 61 states and 94 transitions. [2024-11-09 00:37:48,607 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 94 transitions. [2024-11-09 00:37:48,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:37:48,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:48,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:37:52,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:52,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 63 states and 98 transitions. [2024-11-09 00:37:52,261 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 98 transitions. [2024-11-09 00:37:52,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:37:52,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:52,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:37:56,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:56,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 69 states and 108 transitions. [2024-11-09 00:37:56,038 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 108 transitions. [2024-11-09 00:37:56,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 00:37:56,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:56,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:56,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:37:56,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:56,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 69 states and 107 transitions. [2024-11-09 00:37:56,457 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2024-11-09 00:37:56,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:37:56,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:56,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:37:56,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:37:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:37:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:37:56,676 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:37:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:37:56,735 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2024-11-09 00:37:56,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:37:56 ImpRootNode [2024-11-09 00:37:56,786 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:37:56,787 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:37:56,787 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:37:56,788 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:37:56,789 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:37:42" (3/4) ... [2024-11-09 00:37:56,790 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 00:37:56,873 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f612671b-a4d7-4ba1-8335-9e6720bca3d9/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:37:56,873 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:37:56,874 INFO L158 Benchmark]: Toolchain (without parser) took 18399.02ms. Allocated memory was 172.0MB in the beginning and 312.5MB in the end (delta: 140.5MB). Free memory was 141.1MB in the beginning and 146.0MB in the end (delta: -4.9MB). Peak memory consumption was 134.7MB. Max. memory is 16.1GB. [2024-11-09 00:37:56,874 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:37:56,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2823.99ms. Allocated memory is still 172.0MB. Free memory was 140.2MB in the beginning and 123.7MB in the end (delta: 16.6MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. [2024-11-09 00:37:56,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.86ms. Allocated memory is still 172.0MB. Free memory was 123.7MB in the beginning and 118.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:37:56,876 INFO L158 Benchmark]: Boogie Preprocessor took 74.24ms. Allocated memory is still 172.0MB. Free memory was 118.4MB in the beginning and 115.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:37:56,876 INFO L158 Benchmark]: RCFGBuilder took 728.76ms. Allocated memory is still 172.0MB. Free memory was 115.3MB in the beginning and 83.8MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-09 00:37:56,876 INFO L158 Benchmark]: CodeCheck took 14555.87ms. Allocated memory was 172.0MB in the beginning and 312.5MB in the end (delta: 140.5MB). Free memory was 83.8MB in the beginning and 149.2MB in the end (delta: -65.3MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. [2024-11-09 00:37:56,877 INFO L158 Benchmark]: Witness Printer took 86.14ms. Allocated memory is still 312.5MB. Free memory was 148.1MB in the beginning and 146.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:37:56,879 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, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.5s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 762 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 202 mSDsluCounter, 601 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 212 mSDsCounter, 344 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1342 IncrementalHoareTripleChecker+Invalid, 1686 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 344 mSolverCounterUnsat, 389 mSDtfsCounter, 1342 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1896 GetRequests, 1763 SyntacticMatches, 7 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3744 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 235 NumberOfCodeBlocks, 235 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 197 ConstructedInterpolants, 0 QuantifiedInterpolants, 837 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 6/7 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 - 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={5086:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L7350] CALL aws_linked_list_init(&list) VAL [\old(list)={5086:0}, 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)={5086:0}, list={5086:0}, 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)={5086:0}, list={5086:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4780] CALL, EXPR aws_linked_list_is_valid(list) VAL [\old(list)={5086:0}, 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)={5086:0}, list={5086:0}, 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={5086:0}, s_can_fail_allocator_static={4:0}, temp={5086:0}, tl_last_error=0] [L4750] COND FALSE !(\read(*temp)) VAL [head_reaches_tail=0, list={5086:0}, s_can_fail_allocator_static={4:0}, temp={5086:0}, tl_last_error=0] [L4750] COND TRUE \read(*temp) VAL [head_reaches_tail=0, list={5086:0}, s_can_fail_allocator_static={4:0}, temp={5086:0}, tl_last_error=0] [L4751] COND FALSE !(temp == &list->tail) VAL [head_reaches_tail=0, list={5086:0}, s_can_fail_allocator_static={4:0}, temp={5086:0}, tl_last_error=0] [L4756] CALL, EXPR aws_linked_list_node_next_is_valid(temp) VAL [\old(node)={5086:0}, 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={5086:0}, s_can_fail_allocator_static={4:0}, temp={5086:0}, 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 FALSE !(\read(*temp)) VAL [head_reaches_tail=0, list={5086:0}, s_can_fail_allocator_static={4:0}, temp={5086:16}, tl_last_error=0] [L4750] COND TRUE \read(*temp) VAL [head_reaches_tail=0, list={5086:0}, s_can_fail_allocator_static={4:0}, temp={5086:16}, 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)={5086:0}, list={5086:0}, 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 0.30ms. Allocated memory is still 130.0MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2823.99ms. Allocated memory is still 172.0MB. Free memory was 140.2MB in the beginning and 123.7MB in the end (delta: 16.6MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.86ms. Allocated memory is still 172.0MB. Free memory was 123.7MB in the beginning and 118.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.24ms. Allocated memory is still 172.0MB. Free memory was 118.4MB in the beginning and 115.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 728.76ms. Allocated memory is still 172.0MB. Free memory was 115.3MB in the beginning and 83.8MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * CodeCheck took 14555.87ms. Allocated memory was 172.0MB in the beginning and 312.5MB in the end (delta: 140.5MB). Free memory was 83.8MB in the beginning and 149.2MB in the end (delta: -65.3MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. * Witness Printer took 86.14ms. Allocated memory is still 312.5MB. Free memory was 148.1MB in the beginning and 146.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-09 00:37:56,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f612671b-a4d7-4ba1-8335-9e6720bca3d9/bin/ukojak-verify-ImItNfHLgk/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