./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memset2_-write.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba2e661-a7a1-4427-9724-b114d4ff22ed/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba2e661-a7a1-4427-9724-b114d4ff22ed/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba2e661-a7a1-4427-9724-b114d4ff22ed/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba2e661-a7a1-4427-9724-b114d4ff22ed/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memset2_-write.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba2e661-a7a1-4427-9724-b114d4ff22ed/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba2e661-a7a1-4427-9724-b114d4ff22ed/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d4fc71baff335ff14a7aa80c850361218ce54d94877a63cc32d89565d13dae1a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:24:18,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:24:18,947 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba2e661-a7a1-4427-9724-b114d4ff22ed/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-25 02:24:18,956 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:24:18,957 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:24:18,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:24:19,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:24:19,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:24:19,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:24:19,001 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:24:19,002 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:24:19,002 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:24:19,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:24:19,002 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 02:24:19,002 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 02:24:19,002 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 02:24:19,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:24:19,003 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:24:19,003 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:24:19,003 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:24:19,003 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:24:19,003 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:24:19,003 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:24:19,003 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:24:19,003 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:24:19,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:24:19,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:24:19,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:24:19,005 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:24:19,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:24:19,006 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_eba2e661-a7a1-4427-9724-b114d4ff22ed/bin/ukojak-verify-ENZ3QT5qd3 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> d4fc71baff335ff14a7aa80c850361218ce54d94877a63cc32d89565d13dae1a [2024-11-25 02:24:19,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:24:19,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:24:19,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:24:19,363 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:24:19,363 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:24:19,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba2e661-a7a1-4427-9724-b114d4ff22ed/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-memsafety/memset2_-write.c [2024-11-25 02:24:22,347 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba2e661-a7a1-4427-9724-b114d4ff22ed/bin/ukojak-verify-ENZ3QT5qd3/data/686c5da30/20eb0517c80b477b854333612092be64/FLAG2ecd00b1f [2024-11-25 02:24:22,640 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:24:22,644 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba2e661-a7a1-4427-9724-b114d4ff22ed/sv-benchmarks/c/ldv-memsafety/memset2_-write.c [2024-11-25 02:24:22,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba2e661-a7a1-4427-9724-b114d4ff22ed/bin/ukojak-verify-ENZ3QT5qd3/data/686c5da30/20eb0517c80b477b854333612092be64/FLAG2ecd00b1f [2024-11-25 02:24:22,705 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba2e661-a7a1-4427-9724-b114d4ff22ed/bin/ukojak-verify-ENZ3QT5qd3/data/686c5da30/20eb0517c80b477b854333612092be64 [2024-11-25 02:24:22,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:24:22,709 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:24:22,710 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:24:22,711 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:24:22,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:24:22,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:24:22" (1/1) ... [2024-11-25 02:24:22,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5699ea74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:22, skipping insertion in model container [2024-11-25 02:24:22,722 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:24:22" (1/1) ... [2024-11-25 02:24:22,737 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:24:22,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:24:22,903 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:24:22,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:24:22,936 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:24:22,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:22 WrapperNode [2024-11-25 02:24:22,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:24:22,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:24:22,938 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:24:22,938 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:24:22,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:22" (1/1) ... [2024-11-25 02:24:22,955 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:22" (1/1) ... [2024-11-25 02:24:22,970 INFO L138 Inliner]: procedures = 7, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16 [2024-11-25 02:24:22,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:24:22,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:24:22,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:24:22,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:24:22,978 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:22" (1/1) ... [2024-11-25 02:24:22,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:22" (1/1) ... [2024-11-25 02:24:22,979 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:22" (1/1) ... [2024-11-25 02:24:22,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:22" (1/1) ... [2024-11-25 02:24:22,982 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:22" (1/1) ... [2024-11-25 02:24:22,982 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:22" (1/1) ... [2024-11-25 02:24:22,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:22" (1/1) ... [2024-11-25 02:24:22,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:22" (1/1) ... [2024-11-25 02:24:22,986 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:22" (1/1) ... [2024-11-25 02:24:22,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:24:22,988 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:24:22,989 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:24:22,989 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:24:22,990 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:22" (1/1) ... [2024-11-25 02:24:22,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:24:23,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba2e661-a7a1-4427-9724-b114d4ff22ed/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:24:23,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba2e661-a7a1-4427-9724-b114d4ff22ed/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:24:23,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba2e661-a7a1-4427-9724-b114d4ff22ed/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:24:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:24:23,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:24:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 02:24:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:24:23,119 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:24:23,121 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:24:23,256 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-25 02:24:23,256 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:24:23,286 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:24:23,288 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:24:23,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:24:23 BoogieIcfgContainer [2024-11-25 02:24:23,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:24:23,289 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:24:23,289 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:24:23,300 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:24:23,300 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:24:23" (1/1) ... [2024-11-25 02:24:23,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:24:23,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:24:23,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-25 02:24:23,370 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-25 02:24:23,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 02:24:23,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:24:23,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:24:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:24:23,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:24:23,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:24:23,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-11-25 02:24:23,632 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-11-25 02:24:23,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:24:23,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:24:23,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:24:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:24:23,660 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:24:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:24:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:24:23,709 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:24:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:24:23,730 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 02:24:23,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:24:23 ImpRootNode [2024-11-25 02:24:23,754 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:24:23,756 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:24:23,756 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:24:23,756 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:24:23,757 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:24:23" (3/4) ... [2024-11-25 02:24:23,758 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:24:23,796 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2. [2024-11-25 02:24:23,838 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba2e661-a7a1-4427-9724-b114d4ff22ed/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:24:23,839 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba2e661-a7a1-4427-9724-b114d4ff22ed/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:24:23,840 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:24:23,841 INFO L158 Benchmark]: Toolchain (without parser) took 1131.68ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 52.9MB in the end (delta: 41.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 02:24:23,843 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:24:23,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.38ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 83.9MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:24:23,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.45ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 82.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:24:23,845 INFO L158 Benchmark]: Boogie Preprocessor took 17.11ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 82.0MB in the end (delta: 732.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:24:23,845 INFO L158 Benchmark]: RCFGBuilder took 300.35ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 71.9MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:24:23,845 INFO L158 Benchmark]: CodeCheck took 465.69ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 56.7MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:24:23,846 INFO L158 Benchmark]: Witness Printer took 83.88ms. Allocated memory is still 117.4MB. Free memory was 56.7MB in the beginning and 52.9MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:24:23,849 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, 9 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L21] struct compstat cstats ; [L22] CALL memset((void *)(& cstats), 0, 41UL) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.38ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 83.9MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.45ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 82.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.11ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 82.0MB in the end (delta: 732.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 300.35ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 71.9MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 465.69ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 56.7MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 83.88ms. Allocated memory is still 117.4MB. Free memory was 56.7MB in the beginning and 52.9MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:24:23,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba2e661-a7a1-4427-9724-b114d4ff22ed/bin/ukojak-verify-ENZ3QT5qd3/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(valid-deref)