./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-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_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/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_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/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_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/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 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:32:14,398 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:32:14,456 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:32:14,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:32:14,461 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:32:14,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:32:14,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:32:14,483 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:32:14,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:32:14,484 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:32:14,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:32:14,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:32:14,484 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:32:14,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:32:14,484 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:32:14,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:32:14,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:32:14,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:32:14,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:32:14,485 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:32:14,485 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:32:14,485 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:32:14,485 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:32:14,485 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:32:14,485 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:32:14,485 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:32:14,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:32:14,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:32:14,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:32:14,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:32:14,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:32:14,486 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:32:14,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:32:14,486 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_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/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 -> 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 [2024-12-06 04:32:14,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:32:14,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:32:14,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:32:14,729 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:32:14,730 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:32:14,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2024-12-06 04:32:17,354 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/bin/ukojak-verify-CZk0znPC7b/data/f0159f5d4/18d5e126d724437b9477c6c4d691b315/FLAG10b6363ab [2024-12-06 04:32:17,629 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:32:17,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2024-12-06 04:32:17,640 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/bin/ukojak-verify-CZk0znPC7b/data/f0159f5d4/18d5e126d724437b9477c6c4d691b315/FLAG10b6363ab [2024-12-06 04:32:17,933 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/bin/ukojak-verify-CZk0znPC7b/data/f0159f5d4/18d5e126d724437b9477c6c4d691b315 [2024-12-06 04:32:17,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:32:17,936 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:32:17,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:32:17,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:32:17,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:32:17,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:32:17" (1/1) ... [2024-12-06 04:32:17,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71cd9001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:17, skipping insertion in model container [2024-12-06 04:32:17,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:32:17" (1/1) ... [2024-12-06 04:32:17,970 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:32:18,192 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_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22665,22678] [2024-12-06 04:32:18,196 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_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22735,22748] [2024-12-06 04:32:18,197 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_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22799,22812] [2024-12-06 04:32:18,198 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_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22894,22907] [2024-12-06 04:32:18,198 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_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22966,22979] [2024-12-06 04:32:18,200 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_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[23105,23118] [2024-12-06 04:32:18,200 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_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[23179,23192] [2024-12-06 04:32:18,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:32:18,212 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:32:18,246 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_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22665,22678] [2024-12-06 04:32:18,246 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_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22735,22748] [2024-12-06 04:32:18,247 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_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22799,22812] [2024-12-06 04:32:18,247 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_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22894,22907] [2024-12-06 04:32:18,248 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_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22966,22979] [2024-12-06 04:32:18,249 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_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[23105,23118] [2024-12-06 04:32:18,250 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_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[23179,23192] [2024-12-06 04:32:18,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:32:18,275 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:32:18,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:18 WrapperNode [2024-12-06 04:32:18,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:32:18,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:32:18,277 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:32:18,277 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:32:18,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:18" (1/1) ... [2024-12-06 04:32:18,292 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:18" (1/1) ... [2024-12-06 04:32:18,311 INFO L138 Inliner]: procedures = 119, calls = 43, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 147 [2024-12-06 04:32:18,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:32:18,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:32:18,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:32:18,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:32:18,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:18" (1/1) ... [2024-12-06 04:32:18,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:18" (1/1) ... [2024-12-06 04:32:18,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:18" (1/1) ... [2024-12-06 04:32:18,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:18" (1/1) ... [2024-12-06 04:32:18,325 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:18" (1/1) ... [2024-12-06 04:32:18,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:18" (1/1) ... [2024-12-06 04:32:18,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:18" (1/1) ... [2024-12-06 04:32:18,330 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:18" (1/1) ... [2024-12-06 04:32:18,330 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:18" (1/1) ... [2024-12-06 04:32:18,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:32:18,332 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:32:18,333 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:32:18,333 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:32:18,333 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:18" (1/1) ... [2024-12-06 04:32:18,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:32:18,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:32:18,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:32:18,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 04:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 04:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 04:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 04:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 04:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 04:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:32:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:32:18,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:32:18,480 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:32:18,482 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:32:18,687 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-06 04:32:18,687 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:32:18,749 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:32:18,750 INFO L312 CfgBuilder]: Removed 10 assume(true) statements. [2024-12-06 04:32:18,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:32:18 BoogieIcfgContainer [2024-12-06 04:32:18,750 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:32:18,751 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:32:18,751 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:32:18,760 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:32:18,760 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:32:18" (1/1) ... [2024-12-06 04:32:18,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:32:18,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:18,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2024-12-06 04:32:18,815 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2024-12-06 04:32:18,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 04:32:18,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:18,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:32:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:18,980 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 04:32:19,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:19,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2024-12-06 04:32:19,005 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2024-12-06 04:32:19,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:32:19,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:19,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:32:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:19,805 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 04:32:20,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:20,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 41 states and 60 transitions. [2024-12-06 04:32:20,105 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2024-12-06 04:32:20,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:32:20,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:20,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:32:20,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:20,175 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 04:32:20,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:20,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2024-12-06 04:32:20,351 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2024-12-06 04:32:20,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:32:20,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:20,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:32:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:20,424 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 04:32:20,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:20,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2024-12-06 04:32:20,430 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2024-12-06 04:32:20,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:32:20,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:20,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:32:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:21,151 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 04:32:21,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:21,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 60 transitions. [2024-12-06 04:32:21,678 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2024-12-06 04:32:21,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:32:21,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:21,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:32:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:21,897 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 04:32:22,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:22,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2024-12-06 04:32:22,568 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2024-12-06 04:32:22,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:32:22,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:22,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:32:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:23,198 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 04:32:24,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:24,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 59 states and 83 transitions. [2024-12-06 04:32:24,982 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 83 transitions. [2024-12-06 04:32:24,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 04:32:24,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:24,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:32:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:25,096 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 04:32:25,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:25,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 61 states and 84 transitions. [2024-12-06 04:32:25,325 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2024-12-06 04:32:25,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 04:32:25,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:25,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:32:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:25,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:32:26,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:26,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 71 states and 96 transitions. [2024-12-06 04:32:26,784 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 96 transitions. [2024-12-06 04:32:26,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 04:32:26,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:26,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:32:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:26,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:32:28,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:28,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 83 states and 118 transitions. [2024-12-06 04:32:28,389 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 118 transitions. [2024-12-06 04:32:28,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 04:32:28,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:28,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:32:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:29,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:32:34,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:34,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 97 states and 144 transitions. [2024-12-06 04:32:34,106 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 144 transitions. [2024-12-06 04:32:34,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 04:32:34,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:34,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:32:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:34,950 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:32:37,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:37,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 105 states and 162 transitions. [2024-12-06 04:32:37,807 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 162 transitions. [2024-12-06 04:32:37,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 04:32:37,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:37,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:32:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:37,899 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:32:38,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:38,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 106 states and 163 transitions. [2024-12-06 04:32:38,190 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 163 transitions. [2024-12-06 04:32:38,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 04:32:38,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:38,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:32:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:39,649 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:32:42,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:42,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 114 states and 175 transitions. [2024-12-06 04:32:42,450 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 175 transitions. [2024-12-06 04:32:42,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 04:32:42,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:42,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:32:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:44,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:32:57,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:57,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 138 states and 233 transitions. [2024-12-06 04:32:57,414 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 233 transitions. [2024-12-06 04:32:57,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 04:32:57,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:57,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:32:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:00,685 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:33:09,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:09,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 148 states and 254 transitions. [2024-12-06 04:33:09,310 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 254 transitions. [2024-12-06 04:33:09,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 04:33:09,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:09,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:33:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:11,030 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:33:12,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:12,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 150 states and 260 transitions. [2024-12-06 04:33:12,578 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 260 transitions. [2024-12-06 04:33:12,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 04:33:12,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:12,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:33:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:17,847 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:33:40,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:40,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 171 states and 311 transitions. [2024-12-06 04:33:40,286 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 311 transitions. [2024-12-06 04:33:40,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 04:33:40,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:40,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:33:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:43,545 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:34:04,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:04,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 192 states and 361 transitions. [2024-12-06 04:34:04,478 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 361 transitions. [2024-12-06 04:34:04,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 04:34:04,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:04,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:34:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:34:04,529 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:34:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:34:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:34:04,931 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:34:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:34:05,228 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2024-12-06 04:34:05,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:34:05 ImpRootNode [2024-12-06 04:34:05,265 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:34:05,265 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:34:05,265 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:34:05,265 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:34:05,266 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:32:18" (3/4) ... [2024-12-06 04:34:05,266 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 04:34:05,306 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 21. [2024-12-06 04:34:05,348 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:34:05,349 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:34:05,349 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:34:05,349 INFO L158 Benchmark]: Toolchain (without parser) took 107413.36ms. Allocated memory was 142.6MB in the beginning and 864.0MB in the end (delta: 721.4MB). Free memory was 115.8MB in the beginning and 560.7MB in the end (delta: -444.9MB). Peak memory consumption was 276.6MB. Max. memory is 16.1GB. [2024-12-06 04:34:05,350 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:34:05,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.74ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 97.7MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:34:05,350 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.40ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 95.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:34:05,350 INFO L158 Benchmark]: Boogie Preprocessor took 20.19ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 94.3MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:34:05,351 INFO L158 Benchmark]: RCFGBuilder took 417.79ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 70.2MB in the end (delta: 24.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:34:05,351 INFO L158 Benchmark]: CodeCheck took 106513.82ms. Allocated memory was 142.6MB in the beginning and 864.0MB in the end (delta: 721.4MB). Free memory was 70.2MB in the beginning and 567.5MB in the end (delta: -497.3MB). Peak memory consumption was 226.3MB. Max. memory is 16.1GB. [2024-12-06 04:34:05,351 INFO L158 Benchmark]: Witness Printer took 83.84ms. Allocated memory is still 864.0MB. Free memory was 567.5MB in the beginning and 560.7MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:34:05,353 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, 41 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 106.5s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3009 SdHoareTripleChecker+Valid, 82.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1887 mSDsluCounter, 2813 SdHoareTripleChecker+Invalid, 80.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2287 mSDsCounter, 820 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4363 IncrementalHoareTripleChecker+Invalid, 5183 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 820 mSolverCounterUnsat, 526 mSDtfsCounter, 4363 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3150 GetRequests, 2531 SyntacticMatches, 73 SemanticMatches, 546 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147297 ImplicationChecksByTransitivity, 78.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 21.5s InterpolantComputationTime, 349 NumberOfCodeBlocks, 349 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 301 ConstructedInterpolants, 0 QuantifiedInterpolants, 6735 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 11/74 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: 1049]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L998] struct TSLL* null = malloc(sizeof(struct TSLL)); [L999] null->next = ((void*)0) [L1000] null->prev = ((void*)0) [L1001] null->colour = BLACK [L1003] struct TSLL* list = malloc(sizeof(struct TSLL)); [L1004] list->next = null [L1005] list->prev = null [L1006] list->colour = BLACK [L1008] struct TSLL* end = list; VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1011] COND TRUE __VERIFIER_nondet_int() [L1014] end->next = malloc(sizeof(struct TSLL)) [L1015] EXPR end->next [L1015] end->next->prev = end [L1016] EXPR end->next [L1016] end = end->next [L1017] end->next = null [L1019] COND FALSE !(__VERIFIER_nondet_int()) [L1025] end->colour = RED [L1026] end->next = malloc(sizeof(struct TSLL)) [L1027] EXPR end->next [L1027] end->next->prev = end [L1028] EXPR end->next [L1028] end = end->next [L1029] end->next = null [L1030] end->colour = BLACK VAL [end={92:0}, list={-1:0}, null={-2:0}] [L1032] EXPR end->colour VAL [end={92:0}, list={-1:0}, null={-2:0}] [L1032] COND FALSE !(!(BLACK == end->colour)) [L1032] COND FALSE !(0) VAL [end={92:0}, list={-1:0}, null={-2:0}] [L1033] EXPR end->next VAL [end={92:0}, list={-1:0}, null={-2:0}] [L1033] COND FALSE !(!(null == end->next)) [L1033] COND FALSE !(0) VAL [end={92:0}, list={-1:0}, null={-2:0}] [L1034] COND FALSE !(!(null != end)) VAL [end={92:0}, list={-1:0}, null={-2:0}] [L1034] COND FALSE !(0) VAL [end={92:0}, list={-1:0}, null={-2:0}] [L1011] COND FALSE !(__VERIFIER_nondet_int()) [L1037] end = null [L1038] end = list VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1041] COND FALSE !(!(null != end)) VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1041] COND FALSE !(0) VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1042] EXPR end->colour VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1042] COND FALSE !(!(BLACK == end->colour)) [L1042] COND FALSE !(0) VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1043] COND TRUE null != end [L1045] EXPR end->colour VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1045] COND FALSE !(RED == end->colour) [L1052] EXPR end->next [L1052] end = end->next [L1043] COND TRUE null != end [L1045] EXPR end->colour VAL [end={-3:0}, list={-1:0}, null={-2:0}] [L1045] COND TRUE RED == end->colour [L1047] EXPR end->next [L1047] end = end->next [L1048] COND FALSE !(!(null != end)) VAL [end={92:0}, list={-1:0}, null={-2:0}] [L1048] COND FALSE !(0) VAL [end={92:0}, list={-1:0}, null={-2:0}] [L1049] EXPR end->colour VAL [end={92:0}, list={-1:0}, null={-2:0}] [L1049] COND TRUE !(BLACK != end->colour) [L1049] reach_error() VAL [end={92:0}, list={-1:0}, null={-2:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.74ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 97.7MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.40ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 95.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.19ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 94.3MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 417.79ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 70.2MB in the end (delta: 24.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 106513.82ms. Allocated memory was 142.6MB in the beginning and 864.0MB in the end (delta: 721.4MB). Free memory was 70.2MB in the beginning and 567.5MB in the end (delta: -497.3MB). Peak memory consumption was 226.3MB. Max. memory is 16.1GB. * Witness Printer took 83.84ms. Allocated memory is still 864.0MB. Free memory was 567.5MB in the beginning and 560.7MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 04:34:05,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192dcaac-a0a4-4d89-a6e7-a3c30ffafff8/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