./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-01-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-01-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/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 32bit --witnessprinter.graph.data.programhash 14067621d9a8f66625f13d1d9faf9b421dec38bd60b4ac0ad734bd36e2df123a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:36:45,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:36:45,208 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:36:45,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:36:45,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:36:45,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:36:45,250 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:36:45,251 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:36:45,251 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:36:45,253 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:36:45,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:36:45,254 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:36:45,254 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:36:45,254 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:36:45,254 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:36:45,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:36:45,257 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:36:45,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:36:45,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:36:45,260 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:36:45,260 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:36:45,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:36:45,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:36:45,261 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:36:45,261 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:36:45,262 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:36:45,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:36:45,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:36:45,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:36:45,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:36:45,263 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:36:45,263 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:36:45,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:36:45,264 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14067621d9a8f66625f13d1d9faf9b421dec38bd60b4ac0ad734bd36e2df123a [2024-11-08 23:36:45,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:36:45,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:36:45,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:36:45,557 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:36:45,557 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:36:45,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/forester-heap/sll-01-2.i Unable to find full path for "g++" [2024-11-08 23:36:47,580 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:36:47,868 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:36:47,868 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i [2024-11-08 23:36:47,887 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/bin/ukojak-verify-ImItNfHLgk/data/d67667f5d/fd04ae9f5c1542f18b54388b84461a50/FLAG4cab3466e [2024-11-08 23:36:47,902 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/bin/ukojak-verify-ImItNfHLgk/data/d67667f5d/fd04ae9f5c1542f18b54388b84461a50 [2024-11-08 23:36:47,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:36:47,906 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:36:47,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:36:47,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:36:47,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:36:47,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:36:47" (1/1) ... [2024-11-08 23:36:47,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@372bec9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:47, skipping insertion in model container [2024-11-08 23:36:47,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:36:47" (1/1) ... [2024-11-08 23:36:47,962 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:36:48,320 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[22034,22047] [2024-11-08 23:36:48,331 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[22307,22320] [2024-11-08 23:36:48,337 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[22516,22529] [2024-11-08 23:36:48,338 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[22586,22599] [2024-11-08 23:36:48,345 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[22853,22866] [2024-11-08 23:36:48,349 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[22961,22974] [2024-11-08 23:36:48,354 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[23192,23205] [2024-11-08 23:36:48,355 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[23272,23285] [2024-11-08 23:36:48,356 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[23351,23364] [2024-11-08 23:36:48,362 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[23484,23497] [2024-11-08 23:36:48,364 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[23662,23675] [2024-11-08 23:36:48,368 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[23740,23753] [2024-11-08 23:36:48,369 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[23817,23830] [2024-11-08 23:36:48,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:36:48,389 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:36:48,445 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[22034,22047] [2024-11-08 23:36:48,448 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[22307,22320] [2024-11-08 23:36:48,450 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[22516,22529] [2024-11-08 23:36:48,451 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[22586,22599] [2024-11-08 23:36:48,453 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[22853,22866] [2024-11-08 23:36:48,454 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[22961,22974] [2024-11-08 23:36:48,456 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[23192,23205] [2024-11-08 23:36:48,457 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[23272,23285] [2024-11-08 23:36:48,458 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[23351,23364] [2024-11-08 23:36:48,461 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[23484,23497] [2024-11-08 23:36:48,463 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[23662,23675] [2024-11-08 23:36:48,467 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[23740,23753] [2024-11-08 23:36:48,468 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_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/sv-benchmarks/c/forester-heap/sll-01-2.i[23817,23830] [2024-11-08 23:36:48,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:36:48,499 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:36:48,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:48 WrapperNode [2024-11-08 23:36:48,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:36:48,501 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:36:48,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:36:48,501 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:36:48,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:48" (1/1) ... [2024-11-08 23:36:48,519 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:48" (1/1) ... [2024-11-08 23:36:48,543 INFO L138 Inliner]: procedures = 119, calls = 42, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 210 [2024-11-08 23:36:48,544 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:36:48,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:36:48,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:36:48,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:36:48,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:48" (1/1) ... [2024-11-08 23:36:48,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:48" (1/1) ... [2024-11-08 23:36:48,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:48" (1/1) ... [2024-11-08 23:36:48,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:48" (1/1) ... [2024-11-08 23:36:48,569 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:48" (1/1) ... [2024-11-08 23:36:48,574 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:48" (1/1) ... [2024-11-08 23:36:48,578 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:48" (1/1) ... [2024-11-08 23:36:48,580 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:48" (1/1) ... [2024-11-08 23:36:48,586 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:36:48,587 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:36:48,588 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:36:48,588 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:36:48,592 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:48" (1/1) ... [2024-11-08 23:36:48,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:36:48,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:36:48,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:36:48,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:36:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:36:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:36:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 23:36:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 23:36:48,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:36:48,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:36:48,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:36:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:36:48,808 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:36:48,811 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:36:49,179 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-08 23:36:49,179 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:36:49,355 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:36:49,356 INFO L316 CfgBuilder]: Removed 27 assume(true) statements. [2024-11-08 23:36:49,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:36:49 BoogieIcfgContainer [2024-11-08 23:36:49,360 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:36:49,361 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:36:49,361 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:36:49,377 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:36:49,378 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:36:49" (1/1) ... [2024-11-08 23:36:49,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:36:49,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:49,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 78 states and 125 transitions. [2024-11-08 23:36:49,462 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 125 transitions. [2024-11-08 23:36:49,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:36:49,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:49,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:49,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:36:49,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:49,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 76 states and 120 transitions. [2024-11-08 23:36:49,748 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 120 transitions. [2024-11-08 23:36:49,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:36:49,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:49,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:50,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:36:50,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:50,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 74 states and 115 transitions. [2024-11-08 23:36:50,198 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 115 transitions. [2024-11-08 23:36:50,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:36:50,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:50,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:50,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:36:50,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:50,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 74 states and 110 transitions. [2024-11-08 23:36:50,284 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 110 transitions. [2024-11-08 23:36:50,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:36:50,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:50,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:50,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:36:50,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:50,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 105 transitions. [2024-11-08 23:36:50,510 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2024-11-08 23:36:50,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:36:50,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:50,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:50,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:36:50,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:50,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 76 states and 111 transitions. [2024-11-08 23:36:50,813 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2024-11-08 23:36:50,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:36:50,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:50,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:50,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:36:50,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:50,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 74 states and 106 transitions. [2024-11-08 23:36:50,928 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 106 transitions. [2024-11-08 23:36:50,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:36:50,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:50,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:51,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:36:51,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:51,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 76 states and 108 transitions. [2024-11-08 23:36:51,103 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2024-11-08 23:36:51,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:36:51,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:51,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:51,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:36:51,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:51,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 74 states and 104 transitions. [2024-11-08 23:36:51,464 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2024-11-08 23:36:51,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:36:51,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:51,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:51,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:36:51,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:51,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 75 states and 105 transitions. [2024-11-08 23:36:51,541 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 105 transitions. [2024-11-08 23:36:51,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:36:51,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:51,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:51,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:36:51,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:51,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 73 states and 99 transitions. [2024-11-08 23:36:51,773 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2024-11-08 23:36:51,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:36:51,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:51,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:51,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:36:52,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:52,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 79 states and 105 transitions. [2024-11-08 23:36:52,421 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 105 transitions. [2024-11-08 23:36:52,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:36:52,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:52,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:52,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:36:52,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:52,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 82 states and 110 transitions. [2024-11-08 23:36:52,852 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2024-11-08 23:36:52,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:36:52,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:52,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:54,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:36:57,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:57,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 95 states and 127 transitions. [2024-11-08 23:36:57,200 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 127 transitions. [2024-11-08 23:36:57,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:36:57,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:57,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:57,327 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:36:57,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:57,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 88 states and 118 transitions. [2024-11-08 23:36:57,754 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 118 transitions. [2024-11-08 23:36:57,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 23:36:57,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:57,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:59,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:37:03,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:03,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 104 states and 138 transitions. [2024-11-08 23:37:03,807 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 138 transitions. [2024-11-08 23:37:03,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 23:37:03,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:03,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:03,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:37:04,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:04,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 102 states and 136 transitions. [2024-11-08 23:37:04,072 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 136 transitions. [2024-11-08 23:37:04,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 23:37:04,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:04,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:05,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:37:09,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:09,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 113 states and 155 transitions. [2024-11-08 23:37:09,492 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 155 transitions. [2024-11-08 23:37:09,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 23:37:09,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:09,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:10,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:37:10,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:10,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 114 states and 155 transitions. [2024-11-08 23:37:10,720 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 155 transitions. [2024-11-08 23:37:10,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 23:37:10,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:10,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:12,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:37:17,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:17,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 129 states and 178 transitions. [2024-11-08 23:37:17,562 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 178 transitions. [2024-11-08 23:37:17,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 23:37:17,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:17,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:17,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:37:20,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:20,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2024-11-08 23:37:20,289 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2024-11-08 23:37:20,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 23:37:20,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:20,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:20,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:37:20,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:20,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 141 states and 197 transitions. [2024-11-08 23:37:20,380 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 197 transitions. [2024-11-08 23:37:20,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:37:20,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:20,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:21,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:37:29,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:29,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 159 states and 224 transitions. [2024-11-08 23:37:29,244 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 224 transitions. [2024-11-08 23:37:29,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:37:29,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:29,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:29,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:37:38,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:38,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 172 states and 256 transitions. [2024-11-08 23:37:38,868 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 256 transitions. [2024-11-08 23:37:38,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:37:38,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:38,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:45,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:37:56,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:56,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 186 states and 280 transitions. [2024-11-08 23:37:56,584 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 280 transitions. [2024-11-08 23:37:56,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:37:56,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:56,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:38:00,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:38:09,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:09,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 192 states and 291 transitions. [2024-11-08 23:38:09,970 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 291 transitions. [2024-11-08 23:38:09,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 23:38:09,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:38:09,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:38:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:10,009 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:38:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:10,191 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:38:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:10,289 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 26 iterations. [2024-11-08 23:38:10,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:38:10 ImpRootNode [2024-11-08 23:38:10,332 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:38:10,332 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:38:10,333 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:38:10,333 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:38:10,333 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:36:49" (3/4) ... [2024-11-08 23:38:10,334 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:38:10,416 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:38:10,416 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:38:10,417 INFO L158 Benchmark]: Toolchain (without parser) took 82510.68ms. Allocated memory was 148.9MB in the beginning and 931.1MB in the end (delta: 782.2MB). Free memory was 113.2MB in the beginning and 797.6MB in the end (delta: -684.4MB). Peak memory consumption was 100.2MB. Max. memory is 16.1GB. [2024-11-08 23:38:10,417 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 148.9MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:38:10,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 592.27ms. Allocated memory is still 148.9MB. Free memory was 112.6MB in the beginning and 89.7MB in the end (delta: 22.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 23:38:10,418 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.60ms. Allocated memory is still 148.9MB. Free memory was 89.7MB in the beginning and 87.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:38:10,421 INFO L158 Benchmark]: Boogie Preprocessor took 41.79ms. Allocated memory is still 148.9MB. Free memory was 87.6MB in the beginning and 85.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:38:10,422 INFO L158 Benchmark]: RCFGBuilder took 773.15ms. Allocated memory is still 148.9MB. Free memory was 85.1MB in the beginning and 110.2MB in the end (delta: -25.2MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2024-11-08 23:38:10,422 INFO L158 Benchmark]: CodeCheck took 80970.71ms. Allocated memory was 148.9MB in the beginning and 931.1MB in the end (delta: 782.2MB). Free memory was 110.2MB in the beginning and 801.8MB in the end (delta: -691.5MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. [2024-11-08 23:38:10,422 INFO L158 Benchmark]: Witness Printer took 83.99ms. Allocated memory is still 931.1MB. Free memory was 801.8MB in the beginning and 797.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:38:10,424 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 1 procedures, 78 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 80.9s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5891 SdHoareTripleChecker+Valid, 15.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2963 mSDsluCounter, 3240 SdHoareTripleChecker+Invalid, 13.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2078 mSDsCounter, 1050 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6391 IncrementalHoareTripleChecker+Invalid, 7441 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1050 mSolverCounterUnsat, 1162 mSDtfsCounter, 6391 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4217 GetRequests, 3721 SyntacticMatches, 78 SemanticMatches, 418 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83909 ImplicationChecksByTransitivity, 63.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 20.3s InterpolantComputationTime, 572 NumberOfCodeBlocks, 572 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 514 ConstructedInterpolants, 0 QuantifiedInterpolants, 8272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 18 PerfectInterpolantSequences, 11/22 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: 1036]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1002] SLL* list = malloc(sizeof(SLL)); [L1003] list->next = ((void*)0) VAL [list={-2:0}] [L1004] COND FALSE !(!(list != ((void*)0))) VAL [list={-2:0}] [L1004] COND FALSE !(__VERIFIER_nondet_int()) [L1004] list->inner = malloc(sizeof(SLL)) [L1004] EXPR list->inner [L1004] list->inner->next = ((void*)0) [L1004] EXPR list->inner [L1004] list->inner->inner = ((void*)0) [L1004] EXPR list->inner [L1004] EXPR list->inner != ((void*)0) || list->inner == ((void*)0) VAL [list={-2:0}] [L1004] COND FALSE !(!(list->inner != ((void*)0) || list->inner == ((void*)0))) [L1006] SLL* end = list; VAL [end={-2:0}, list={-2:0}] [L1009] COND FALSE !(__VERIFIER_nondet_int()) [L1019] end = ((void*)0) [L1020] end = list VAL [end={-2:0}, list={-2:0}] [L1023] COND FALSE !(!(((void*)0) != end)) VAL [end={-2:0}, list={-2:0}] [L1025] COND FALSE !(((void*)0) != end) VAL [end={-2:0}, list={-2:0}] [L1025] COND TRUE ((void*)0) != end [L1027] int len = 0; [L1028] EXPR end->inner [L1028] SLL* inner = end->inner; [L1029] COND FALSE !(((void*)0) != inner) VAL [end={-2:0}, inner={-1:0}, len=0, list={-2:0}] [L1029] COND TRUE ((void*)0) != inner [L1031] COND TRUE len == 0 [L1032] len = 1 VAL [end={-2:0}, inner={-1:0}, len=1, list={-2:0}] [L1035] COND FALSE !(!(((void*)0) != inner)) VAL [end={-2:0}, inner={-1:0}, len=1, list={-2:0}] [L1036] EXPR inner->inner VAL [end={-2:0}, inner={-1:0}, len=1, list={-2:0}] [L1036] COND FALSE !(!(((void*)0) == inner->inner)) [L1037] EXPR inner->next VAL [end={-2:0}, inner={-1:0}, len=1, list={-2:0}] [L1037] COND FALSE !(!(((void*)0) == inner->next)) [L1038] EXPR inner->inner [L1038] inner = inner->inner [L1039] COND TRUE len == 1 [L1040] EXPR inner->inner [L1040] inner = inner->inner VAL [end={-2:0}, inner={27:1142}, len=1, list={-2:0}] [L1029] COND FALSE !(((void*)0) != inner) VAL [end={-2:0}, inner={27:1142}, len=1, list={-2:0}] [L1029] COND TRUE ((void*)0) != inner [L1031] COND FALSE !(len == 0) [L1034] len = 2 VAL [end={-2:0}, inner={27:1142}, len=2, list={-2:0}] [L1035] COND FALSE !(!(((void*)0) != inner)) VAL [end={-2:0}, inner={27:1142}, len=2, list={-2:0}] [L1036] EXPR inner->inner VAL [end={-2:0}, inner={27:1142}, len=2, list={-2:0}] [L1036] COND TRUE !(((void*)0) == inner->inner) [L1036] reach_error() VAL [end={-2:0}, inner={27:1142}, len=2, list={-2:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 148.9MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 592.27ms. Allocated memory is still 148.9MB. Free memory was 112.6MB in the beginning and 89.7MB in the end (delta: 22.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.60ms. Allocated memory is still 148.9MB. Free memory was 89.7MB in the beginning and 87.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.79ms. Allocated memory is still 148.9MB. Free memory was 87.6MB in the beginning and 85.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 773.15ms. Allocated memory is still 148.9MB. Free memory was 85.1MB in the beginning and 110.2MB in the end (delta: -25.2MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * CodeCheck took 80970.71ms. Allocated memory was 148.9MB in the beginning and 931.1MB in the end (delta: 782.2MB). Free memory was 110.2MB in the beginning and 801.8MB in the end (delta: -691.5MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. * Witness Printer took 83.99ms. Allocated memory is still 931.1MB. Free memory was 801.8MB in the beginning and 797.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 23:38:10,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbbe847-87d6-43c5-9455-c9faa9a4c36b/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