./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/bin/ukojak-verify-afCqCEvfdi --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 503a3e49b44041609ec1bba765b53912c88abb90ff278e61e68e863904faf4bb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:12:39,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:12:39,839 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:12:39,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:12:39,850 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:12:39,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:12:39,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:12:39,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:12:39,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:12:39,904 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:12:39,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:12:39,906 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:12:39,906 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:12:39,908 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:12:39,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:12:39,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:12:39,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:12:39,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:12:39,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:12:39,911 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:12:39,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:12:39,912 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:12:39,913 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:12:39,914 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:12:39,914 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:12:39,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:12:39,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:39,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:12:39,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:12:39,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:12:39,919 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:12:39,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:12:39,919 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:12:39,920 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 503a3e49b44041609ec1bba765b53912c88abb90ff278e61e68e863904faf4bb [2023-11-24 23:12:40,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:12:40,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:12:40,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:12:40,331 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:12:40,331 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:12:40,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i [2023-11-24 23:12:43,579 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:12:43,836 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:12:43,837 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i [2023-11-24 23:12:43,861 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/bin/ukojak-verify-afCqCEvfdi/data/ec2937a9d/c6bf0102c30d4e6abf400470a1f360f2/FLAGdcfc85efd [2023-11-24 23:12:43,876 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/bin/ukojak-verify-afCqCEvfdi/data/ec2937a9d/c6bf0102c30d4e6abf400470a1f360f2 [2023-11-24 23:12:43,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:12:43,881 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:12:43,882 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:43,882 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:12:43,887 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:12:43,888 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:43" (1/1) ... [2023-11-24 23:12:43,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@754e76a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:43, skipping insertion in model container [2023-11-24 23:12:43,890 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:43" (1/1) ... [2023-11-24 23:12:43,955 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:12:44,261 WARN L240 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_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22534,22547] [2023-11-24 23:12:44,267 WARN L240 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_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22606,22619] [2023-11-24 23:12:44,270 WARN L240 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_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22746,22759] [2023-11-24 23:12:44,271 WARN L240 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_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22820,22833] [2023-11-24 23:12:44,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:44,291 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:12:44,341 WARN L240 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_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22534,22547] [2023-11-24 23:12:44,342 WARN L240 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_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22606,22619] [2023-11-24 23:12:44,344 WARN L240 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_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22746,22759] [2023-11-24 23:12:44,346 WARN L240 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_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22820,22833] [2023-11-24 23:12:44,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:44,387 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:12:44,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:44 WrapperNode [2023-11-24 23:12:44,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:44,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:44,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:12:44,390 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:12:44,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:44" (1/1) ... [2023-11-24 23:12:44,414 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:44" (1/1) ... [2023-11-24 23:12:44,453 INFO L138 Inliner]: procedures = 119, calls = 36, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 123 [2023-11-24 23:12:44,454 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:44,455 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:12:44,455 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:12:44,455 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:12:44,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:44" (1/1) ... [2023-11-24 23:12:44,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:44" (1/1) ... [2023-11-24 23:12:44,484 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:44" (1/1) ... [2023-11-24 23:12:44,486 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:44" (1/1) ... [2023-11-24 23:12:44,494 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:44" (1/1) ... [2023-11-24 23:12:44,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:44" (1/1) ... [2023-11-24 23:12:44,516 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:44" (1/1) ... [2023-11-24 23:12:44,525 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:44" (1/1) ... [2023-11-24 23:12:44,528 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:12:44,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:12:44,540 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:12:44,541 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:12:44,542 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:44" (1/1) ... [2023-11-24 23:12:44,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:44,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:12:44,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:12:44,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:12:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:12:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:12:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:12:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:12:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:12:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:12:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:12:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:12:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:12:44,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:12:44,792 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:12:44,795 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:12:45,088 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:12:45,207 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:12:45,207 INFO L309 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-24 23:12:45,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:45 BoogieIcfgContainer [2023-11-24 23:12:45,209 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:12:45,210 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:12:45,211 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:12:45,223 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:12:45,223 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:45" (1/1) ... [2023-11-24 23:12:45,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:12:45,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:45,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-11-24 23:12:45,298 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-11-24 23:12:45,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:12:45,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:45,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:45,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:45,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:45,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2023-11-24 23:12:45,594 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-11-24 23:12:45,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:12:45,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:45,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:45,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:46,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:46,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-11-24 23:12:46,026 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-24 23:12:46,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:12:46,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:46,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:46,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:46,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:46,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 32 states and 43 transitions. [2023-11-24 23:12:46,615 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2023-11-24 23:12:46,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:12:46,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:46,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:47,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:48,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:48,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 34 states and 48 transitions. [2023-11-24 23:12:48,027 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2023-11-24 23:12:48,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:12:48,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:48,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:48,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:48,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:48,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 49 transitions. [2023-11-24 23:12:48,396 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2023-11-24 23:12:48,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:12:48,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:48,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:50,291 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:51,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:51,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2023-11-24 23:12:51,457 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2023-11-24 23:12:51,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:12:51,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:51,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:51,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:53,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:53,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 37 states and 51 transitions. [2023-11-24 23:12:53,822 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2023-11-24 23:12:53,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:12:53,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:53,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:55,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:03,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:03,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 51 states and 83 transitions. [2023-11-24 23:13:03,144 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 83 transitions. [2023-11-24 23:13:03,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:13:03,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:03,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:03,680 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:13:06,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:06,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 55 states and 97 transitions. [2023-11-24 23:13:06,884 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 97 transitions. [2023-11-24 23:13:06,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:13:06,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:06,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:10,534 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:20,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:20,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 70 states and 135 transitions. [2023-11-24 23:13:20,063 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 135 transitions. [2023-11-24 23:13:20,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:13:20,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:20,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:20,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:20,319 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:20,442 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2023-11-24 23:13:20,470 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc7 [2023-11-24 23:13:20,471 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem8 [2023-11-24 23:13:20,472 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem8 [2023-11-24 23:13:20,472 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc7 [2023-11-24 23:13:20,472 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc7 [2023-11-24 23:13:20,473 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem8 [2023-11-24 23:13:20,473 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem8 [2023-11-24 23:13:20,475 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated [2023-11-24 23:13:20,475 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc7 [2023-11-24 23:13:20,476 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem8 [2023-11-24 23:13:20,476 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc7 [2023-11-24 23:13:20,476 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-11-24 23:13:20,477 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc7 [2023-11-24 23:13:20,477 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem8 [2023-11-24 23:13:20,477 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-11-24 23:13:20,477 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem8 [2023-11-24 23:13:20,478 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc7 [2023-11-24 23:13:20,478 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem8 [2023-11-24 23:13:20,478 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated [2023-11-24 23:13:20,478 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc7 [2023-11-24 23:13:20,479 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem8 [2023-11-24 23:13:20,479 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc7 [2023-11-24 23:13:20,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:13:20 ImpRootNode [2023-11-24 23:13:20,485 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:13:20,485 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:13:20,485 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:13:20,486 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:13:20,486 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:45" (3/4) ... [2023-11-24 23:13:20,487 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 23:13:20,497 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem8 [2023-11-24 23:13:20,497 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc7 [2023-11-24 23:13:20,498 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem8 [2023-11-24 23:13:20,498 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc7 [2023-11-24 23:13:20,498 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc7 [2023-11-24 23:13:20,499 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem8 [2023-11-24 23:13:20,499 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated [2023-11-24 23:13:20,499 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem8 [2023-11-24 23:13:20,499 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc7 [2023-11-24 23:13:20,500 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem8 [2023-11-24 23:13:20,500 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-11-24 23:13:20,500 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc7 [2023-11-24 23:13:20,501 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-11-24 23:13:20,501 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem8 [2023-11-24 23:13:20,501 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc7 [2023-11-24 23:13:20,501 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc7 [2023-11-24 23:13:20,502 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem8 [2023-11-24 23:13:20,502 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem8 [2023-11-24 23:13:20,502 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc7 [2023-11-24 23:13:20,502 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated [2023-11-24 23:13:20,503 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc7 [2023-11-24 23:13:20,503 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem8 [2023-11-24 23:13:20,567 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:13:20,567 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:13:20,569 INFO L158 Benchmark]: Toolchain (without parser) took 36686.86ms. Allocated memory was 178.3MB in the beginning and 373.3MB in the end (delta: 195.0MB). Free memory was 134.5MB in the beginning and 162.0MB in the end (delta: -27.5MB). Peak memory consumption was 170.7MB. Max. memory is 16.1GB. [2023-11-24 23:13:20,571 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 130.0MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:20,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.07ms. Allocated memory is still 178.3MB. Free memory was 134.5MB in the beginning and 115.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:13:20,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.07ms. Allocated memory is still 178.3MB. Free memory was 115.7MB in the beginning and 113.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:20,574 INFO L158 Benchmark]: Boogie Preprocessor took 73.70ms. Allocated memory is still 178.3MB. Free memory was 113.6MB in the beginning and 111.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:20,574 INFO L158 Benchmark]: RCFGBuilder took 680.33ms. Allocated memory is still 178.3MB. Free memory was 111.8MB in the beginning and 91.8MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 23:13:20,575 INFO L158 Benchmark]: CodeCheck took 35274.34ms. Allocated memory was 178.3MB in the beginning and 373.3MB in the end (delta: 195.0MB). Free memory was 91.8MB in the beginning and 165.2MB in the end (delta: -73.4MB). Peak memory consumption was 122.5MB. Max. memory is 16.1GB. [2023-11-24 23:13:20,575 INFO L158 Benchmark]: Witness Printer took 81.71ms. Allocated memory is still 373.3MB. Free memory was 165.2MB in the beginning and 162.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:13:20,577 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, 27 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 35.2s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 701 SdHoareTripleChecker+Valid, 9.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 378 mSDsluCounter, 655 SdHoareTripleChecker+Invalid, 9.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 505 mSDsCounter, 255 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1224 IncrementalHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 255 mSolverCounterUnsat, 150 mSDtfsCounter, 1224 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1313 GetRequests, 1068 SyntacticMatches, 13 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22394 ImplicationChecksByTransitivity, 24.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 9.5s InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 2167 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 7/29 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1050]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1005] SLL* null = malloc(sizeof(SLL)); [L1006] null->colour = BLACK [L1007] null->next = ((void*)0) [L1009] SLL* list = malloc(sizeof(SLL)); [L1010] list->next = null [L1011] list->colour = BLACK [L1013] SLL* end = list; VAL [end={24498:0}, list={24498:0}, null={21538:0}] [L1016] COND TRUE __VERIFIER_nondet_int() [L1019] end->next = malloc(sizeof(SLL)) [L1020] EXPR end->next [L1020] end = end->next [L1021] end->next = null [L1023] COND FALSE !(__VERIFIER_nondet_int()) [L1029] end->colour = RED [L1030] end->next = malloc(sizeof(SLL)) [L1031] EXPR end->next [L1031] end = end->next [L1032] end->next = null [L1033] end->colour = BLACK VAL [end={24499:0}, list={24498:0}, null={21538:0}] [L1016] COND FALSE !(__VERIFIER_nondet_int()) [L1037] end = null [L1038] end = list VAL [end={24498:0}, list={24498:0}, null={21538:0}] [L1041] COND FALSE !(!(null != end)) VAL [end={24498:0}, list={24498:0}, null={21538:0}] [L1042] EXPR end->colour VAL [end={24498:0}, list={24498:0}, null={21538:0}] [L1042] COND FALSE !(!(BLACK == end->colour)) [L1044] COND TRUE null != end [L1046] EXPR end->colour VAL [end={24498:0}, list={24498:0}, null={21538:0}] [L1046] COND FALSE !(RED == end->colour) [L1053] EXPR end->next [L1053] end = end->next [L1044] COND TRUE null != end [L1046] EXPR end->colour VAL [end={24500:0}, list={24498:0}, null={21538:0}] [L1046] COND TRUE RED == end->colour [L1048] EXPR end->next [L1048] end = end->next [L1049] COND FALSE !(!(null != end)) VAL [end={24499:0}, list={24498:0}, null={21538:0}] [L1050] EXPR end->colour VAL [end={24499:0}, list={24498:0}, null={21538:0}] [L1050] COND TRUE !(BLACK != end->colour) [L1050] reach_error() VAL [end={24499:0}, list={24498:0}, null={21538:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 130.0MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 506.07ms. Allocated memory is still 178.3MB. Free memory was 134.5MB in the beginning and 115.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.07ms. Allocated memory is still 178.3MB. Free memory was 115.7MB in the beginning and 113.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.70ms. Allocated memory is still 178.3MB. Free memory was 113.6MB in the beginning and 111.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 680.33ms. Allocated memory is still 178.3MB. Free memory was 111.8MB in the beginning and 91.8MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 35274.34ms. Allocated memory was 178.3MB in the beginning and 373.3MB in the end (delta: 195.0MB). Free memory was 91.8MB in the beginning and 165.2MB in the end (delta: -73.4MB). Peak memory consumption was 122.5MB. Max. memory is 16.1GB. * Witness Printer took 81.71ms. Allocated memory is still 373.3MB. Free memory was 165.2MB in the beginning and 162.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc7 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem8 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-24 23:13:20,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fecba4-b1f1-4076-8c64-ccd8ea9b7112/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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