./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-01-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-01-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dd9f812dd0592e9d2894b2831060b27794691dcfdafe5c5494c28350656b71ee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:50:52,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:50:52,796 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:50:52,800 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:50:52,801 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:50:52,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:50:52,822 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:50:52,822 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:50:52,823 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:50:52,823 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:50:52,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:50:52,823 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:50:52,823 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:50:52,823 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:50:52,823 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:50:52,823 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:50:52,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:50:52,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:50:52,824 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:50:52,824 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:50:52,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:50:52,824 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:50:52,824 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:50:52,824 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:50:52,824 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:50:52,824 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:50:52,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:50:52,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:50:52,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:50:52,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:50:52,825 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:50:52,825 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:50:52,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:50:52,825 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd9f812dd0592e9d2894b2831060b27794691dcfdafe5c5494c28350656b71ee [2024-12-06 01:50:53,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:50:53,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:50:53,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:50:53,089 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:50:53,089 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:50:53,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/forester-heap/dll-01-1.i [2024-12-06 01:50:55,729 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/bin/ukojak-verify-CZk0znPC7b/data/c741892ea/756c8ad414b344e79b259b2164ebddcf/FLAGf0685597a [2024-12-06 01:50:55,977 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:50:55,977 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i [2024-12-06 01:50:55,988 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/bin/ukojak-verify-CZk0znPC7b/data/c741892ea/756c8ad414b344e79b259b2164ebddcf/FLAGf0685597a [2024-12-06 01:50:56,000 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/bin/ukojak-verify-CZk0znPC7b/data/c741892ea/756c8ad414b344e79b259b2164ebddcf [2024-12-06 01:50:56,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:50:56,004 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:50:56,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:50:56,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:50:56,009 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:50:56,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:50:56" (1/1) ... [2024-12-06 01:50:56,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30bf24cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:56, skipping insertion in model container [2024-12-06 01:50:56,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:50:56" (1/1) ... [2024-12-06 01:50:56,039 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:50:56,237 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[22080,22093] [2024-12-06 01:50:56,244 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[22353,22366] [2024-12-06 01:50:56,247 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[22587,22600] [2024-12-06 01:50:56,248 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[22657,22670] [2024-12-06 01:50:56,250 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[22924,22937] [2024-12-06 01:50:56,251 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[23032,23045] [2024-12-06 01:50:56,253 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[23263,23276] [2024-12-06 01:50:56,254 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[23343,23356] [2024-12-06 01:50:56,255 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[23422,23435] [2024-12-06 01:50:56,256 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[23512,23525] [2024-12-06 01:50:56,258 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[23690,23703] [2024-12-06 01:50:56,258 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[23768,23781] [2024-12-06 01:50:56,259 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[23845,23858] [2024-12-06 01:50:56,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:50:56,270 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:50:56,303 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[22080,22093] [2024-12-06 01:50:56,305 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[22353,22366] [2024-12-06 01:50:56,307 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[22587,22600] [2024-12-06 01:50:56,308 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[22657,22670] [2024-12-06 01:50:56,310 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[22924,22937] [2024-12-06 01:50:56,311 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[23032,23045] [2024-12-06 01:50:56,313 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[23263,23276] [2024-12-06 01:50:56,314 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[23343,23356] [2024-12-06 01:50:56,315 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[23422,23435] [2024-12-06 01:50:56,315 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[23512,23525] [2024-12-06 01:50:56,317 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[23690,23703] [2024-12-06 01:50:56,317 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[23768,23781] [2024-12-06 01:50:56,318 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_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/sv-benchmarks/c/forester-heap/dll-01-1.i[23845,23858] [2024-12-06 01:50:56,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:50:56,339 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:50:56,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:56 WrapperNode [2024-12-06 01:50:56,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:50:56,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:50:56,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:50:56,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:50:56,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:56" (1/1) ... [2024-12-06 01:50:56,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:56" (1/1) ... [2024-12-06 01:50:56,373 INFO L138 Inliner]: procedures = 119, calls = 44, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 211 [2024-12-06 01:50:56,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:50:56,374 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:50:56,374 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:50:56,374 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:50:56,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:56" (1/1) ... [2024-12-06 01:50:56,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:56" (1/1) ... [2024-12-06 01:50:56,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:56" (1/1) ... [2024-12-06 01:50:56,383 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:56" (1/1) ... [2024-12-06 01:50:56,389 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:56" (1/1) ... [2024-12-06 01:50:56,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:56" (1/1) ... [2024-12-06 01:50:56,393 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:56" (1/1) ... [2024-12-06 01:50:56,394 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:56" (1/1) ... [2024-12-06 01:50:56,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:56" (1/1) ... [2024-12-06 01:50:56,397 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:50:56,397 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:50:56,397 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:50:56,398 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:50:56,398 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:56" (1/1) ... [2024-12-06 01:50:56,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:50:56,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:50:56,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:50:56,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:50:56,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 01:50:56,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:50:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 01:50:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 01:50:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:50:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:50:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:50:56,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:50:56,535 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:50:56,537 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:50:56,837 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-12-06 01:50:56,837 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:50:56,907 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:50:56,908 INFO L312 CfgBuilder]: Removed 17 assume(true) statements. [2024-12-06 01:50:56,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:50:56 BoogieIcfgContainer [2024-12-06 01:50:56,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:50:56,909 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:50:56,909 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:50:56,917 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:50:56,917 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:50:56" (1/1) ... [2024-12-06 01:50:56,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:50:56,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:56,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 74 states and 118 transitions. [2024-12-06 01:50:56,964 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 118 transitions. [2024-12-06 01:50:56,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 01:50:56,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:56,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:50:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:57,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:50:57,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:57,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 72 states and 113 transitions. [2024-12-06 01:50:57,150 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 113 transitions. [2024-12-06 01:50:57,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:50:57,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:57,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:50:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:57,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:50:57,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:57,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 70 states and 108 transitions. [2024-12-06 01:50:57,408 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 108 transitions. [2024-12-06 01:50:57,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:50:57,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:57,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:50:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:57,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:50:58,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:58,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 70 states and 105 transitions. [2024-12-06 01:50:58,013 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 105 transitions. [2024-12-06 01:50:58,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:50:58,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:58,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:50:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:58,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:50:58,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:58,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 74 states and 109 transitions. [2024-12-06 01:50:58,179 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 109 transitions. [2024-12-06 01:50:58,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:50:58,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:58,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:50:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:58,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:50:58,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:58,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 72 states and 104 transitions. [2024-12-06 01:50:58,315 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 104 transitions. [2024-12-06 01:50:58,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:50:58,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:58,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:50:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:58,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:50:58,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:58,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 70 states and 99 transitions. [2024-12-06 01:50:58,436 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2024-12-06 01:50:58,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:50:58,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:58,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:50:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:58,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:50:58,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:58,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2024-12-06 01:50:58,547 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2024-12-06 01:50:58,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 01:50:58,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:58,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:50:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:58,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:50:58,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:58,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 78 states and 107 transitions. [2024-12-06 01:50:58,913 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2024-12-06 01:50:58,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 01:50:58,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:58,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:50:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:59,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:50:59,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:59,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 76 states and 103 transitions. [2024-12-06 01:50:59,247 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2024-12-06 01:50:59,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 01:50:59,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:59,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:50:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:51:00,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:51:02,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:51:02,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 87 states and 119 transitions. [2024-12-06 01:51:02,664 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2024-12-06 01:51:02,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:51:02,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:51:02,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:51:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:51:02,706 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:51:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:51:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:51:02,837 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:51:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:51:02,943 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2024-12-06 01:51:02,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:51:02 ImpRootNode [2024-12-06 01:51:02,978 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:51:02,978 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:51:02,978 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:51:02,979 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:51:02,979 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:50:56" (3/4) ... [2024-12-06 01:51:02,980 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 01:51:03,026 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 17. [2024-12-06 01:51:03,078 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:51:03,079 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:51:03,079 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:51:03,080 INFO L158 Benchmark]: Toolchain (without parser) took 7075.29ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 115.3MB in the beginning and 171.4MB in the end (delta: -56.1MB). Peak memory consumption was 100.1MB. Max. memory is 16.1GB. [2024-12-06 01:51:03,080 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:51:03,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.80ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 96.6MB in the end (delta: 18.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:51:03,080 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.21ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 94.7MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:51:03,081 INFO L158 Benchmark]: Boogie Preprocessor took 22.52ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 92.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:51:03,081 INFO L158 Benchmark]: RCFGBuilder took 510.80ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 64.2MB in the end (delta: 28.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:51:03,081 INFO L158 Benchmark]: CodeCheck took 6068.86ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 64.2MB in the beginning and 176.5MB in the end (delta: -112.3MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-12-06 01:51:03,082 INFO L158 Benchmark]: Witness Printer took 100.41ms. Allocated memory is still 302.0MB. Free memory was 176.5MB in the beginning and 171.4MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:51:03,083 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, 74 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 892 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 240 mSDsluCounter, 416 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 222 mSDsCounter, 182 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 632 IncrementalHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 182 mSolverCounterUnsat, 194 mSDtfsCounter, 632 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1007 GetRequests, 924 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2138 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 129 ConstructedInterpolants, 0 QuantifiedInterpolants, 927 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1040]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1003] SLL* list = malloc(sizeof(SLL)); [L1004] list->next = ((void*)0) [L1005] list->prev = ((void*)0) VAL [list={23483:0}] [L1006] COND FALSE !(!(list != ((void*)0))) VAL [list={23483:0}] [L1006] COND FALSE !(0) VAL [list={23483:0}] [L1006] COND FALSE !(__VERIFIER_nondet_int()) [L1006] list->inner = malloc(sizeof(SLL)) [L1006] EXPR list->inner [L1006] list->inner->next = ((void*)0) [L1006] EXPR list->inner [L1006] list->inner->inner = ((void*)0) [L1006] EXPR list->inner [L1006] EXPR list->inner != ((void*)0) || list->inner == ((void*)0) VAL [list={23483:0}] [L1006] COND FALSE !(!(list->inner != ((void*)0) || list->inner == ((void*)0))) [L1006] COND FALSE !(0) VAL [list={23483:0}] [L1008] SLL* end = list; VAL [end={23483:0}, list={23483:0}] [L1011] COND FALSE !(__VERIFIER_nondet_int()) [L1022] end = ((void*)0) [L1023] end = list VAL [end={23483:0}, list={23483:0}] [L1026] COND FALSE !(!(((void*)0) != end)) VAL [end={23483:0}, list={23483:0}] [L1026] COND FALSE !(0) VAL [end={23483:0}, list={23483:0}] [L1028] COND TRUE ((void*)0) != end [L1030] int len = 0; [L1031] EXPR end->inner [L1031] SLL* inner = end->inner; [L1032] COND TRUE ((void*)0) != inner [L1034] COND TRUE len == 0 [L1035] len = 1 VAL [end={23483:0}, inner={13242:0}, len=1, list={23483:0}] [L1038] COND FALSE !(!(((void*)0) != inner)) VAL [end={23483:0}, inner={13242:0}, len=1, list={23483:0}] [L1038] COND FALSE !(0) VAL [end={23483:0}, inner={13242:0}, len=1, list={23483:0}] [L1039] EXPR inner->inner VAL [end={23483:0}, inner={13242:0}, len=1, list={23483:0}] [L1039] COND FALSE !(!(((void*)0) == inner->inner)) [L1039] COND FALSE !(0) VAL [end={23483:0}, inner={13242:0}, len=1, list={23483:0}] [L1040] EXPR inner->next VAL [end={23483:0}, inner={13242:0}, len=1, list={23483:0}] [L1040] COND TRUE !(((void*)0) != inner->next) [L1040] reach_error() VAL [end={23483:0}, inner={13242:0}, len=1, list={23483:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.80ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 96.6MB in the end (delta: 18.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.21ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 94.7MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.52ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 92.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 510.80ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 64.2MB in the end (delta: 28.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 6068.86ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 64.2MB in the beginning and 176.5MB in the end (delta: -112.3MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Witness Printer took 100.41ms. Allocated memory is still 302.0MB. Free memory was 176.5MB in the beginning and 171.4MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 01:51:03,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3503c8-c7ed-4d70-bbf6-3dabc333a649/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE