./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/stroeder1_unsafe.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_475a72d1-9246-42b8-ad2f-95c35b590a3d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_475a72d1-9246-42b8-ad2f-95c35b590a3d/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_475a72d1-9246-42b8-ad2f-95c35b590a3d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_475a72d1-9246-42b8-ad2f-95c35b590a3d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/stroeder1_unsafe.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_475a72d1-9246-42b8-ad2f-95c35b590a3d/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_475a72d1-9246-42b8-ad2f-95c35b590a3d/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 c2abc4818f3da11ae6301593bd436ebe629d07f999067705d8f0ca0fc41bf695 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:39:04,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:39:04,888 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_475a72d1-9246-42b8-ad2f-95c35b590a3d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-25 03:39:04,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:39:04,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:39:04,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:39:04,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:39:04,915 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:39:04,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:39:04,916 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:39:04,916 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:39:04,916 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:39:04,916 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:39:04,916 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 03:39:04,916 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 03:39:04,917 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 03:39:04,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:39:04,917 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:39:04,917 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:39:04,917 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:39:04,917 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:39:04,917 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:39:04,918 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:39:04,918 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:39:04,918 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:39:04,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:39:04,918 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:39:04,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:39:04,919 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:39:04,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:39:04,919 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_475a72d1-9246-42b8-ad2f-95c35b590a3d/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 -> c2abc4818f3da11ae6301593bd436ebe629d07f999067705d8f0ca0fc41bf695 [2024-11-25 03:39:05,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:39:05,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:39:05,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:39:05,306 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:39:05,307 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:39:05,310 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_475a72d1-9246-42b8-ad2f-95c35b590a3d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/array-memsafety/stroeder1_unsafe.c [2024-11-25 03:39:08,361 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_475a72d1-9246-42b8-ad2f-95c35b590a3d/bin/ukojak-verify-ENZ3QT5qd3/data/6bbc05fa7/1faa97351bda40b09d6daf156ebe2dad/FLAGddec49ca5 [2024-11-25 03:39:08,588 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:39:08,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_475a72d1-9246-42b8-ad2f-95c35b590a3d/sv-benchmarks/c/array-memsafety/stroeder1_unsafe.c [2024-11-25 03:39:08,595 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_475a72d1-9246-42b8-ad2f-95c35b590a3d/bin/ukojak-verify-ENZ3QT5qd3/data/6bbc05fa7/1faa97351bda40b09d6daf156ebe2dad/FLAGddec49ca5 [2024-11-25 03:39:08,619 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_475a72d1-9246-42b8-ad2f-95c35b590a3d/bin/ukojak-verify-ENZ3QT5qd3/data/6bbc05fa7/1faa97351bda40b09d6daf156ebe2dad [2024-11-25 03:39:08,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:39:08,624 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:39:08,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:39:08,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:39:08,633 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:39:08,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:39:08" (1/1) ... [2024-11-25 03:39:08,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9077883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:08, skipping insertion in model container [2024-11-25 03:39:08,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:39:08" (1/1) ... [2024-11-25 03:39:08,652 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:39:08,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:39:08,849 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:39:08,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:39:08,873 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:39:08,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:08 WrapperNode [2024-11-25 03:39:08,874 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:39:08,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:39:08,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:39:08,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:39:08,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:08" (1/1) ... [2024-11-25 03:39:08,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:08" (1/1) ... [2024-11-25 03:39:08,905 INFO L138 Inliner]: procedures = 8, calls = 4, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2024-11-25 03:39:08,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:39:08,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:39:08,906 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:39:08,906 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:39:08,912 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:08" (1/1) ... [2024-11-25 03:39:08,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:08" (1/1) ... [2024-11-25 03:39:08,914 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:08" (1/1) ... [2024-11-25 03:39:08,914 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:08" (1/1) ... [2024-11-25 03:39:08,918 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:08" (1/1) ... [2024-11-25 03:39:08,918 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:08" (1/1) ... [2024-11-25 03:39:08,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:08" (1/1) ... [2024-11-25 03:39:08,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:08" (1/1) ... [2024-11-25 03:39:08,922 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:08" (1/1) ... [2024-11-25 03:39:08,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:39:08,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:39:08,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:39:08,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:39:08,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:08" (1/1) ... [2024-11-25 03:39:08,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:39:08,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_475a72d1-9246-42b8-ad2f-95c35b590a3d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:39:08,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_475a72d1-9246-42b8-ad2f-95c35b590a3d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:39:08,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_475a72d1-9246-42b8-ad2f-95c35b590a3d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:39:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:39:08,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:39:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 03:39:09,042 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:39:09,044 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:39:09,197 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-25 03:39:09,199 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:39:09,259 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:39:09,262 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:39:09,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:39:09 BoogieIcfgContainer [2024-11-25 03:39:09,266 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:39:09,267 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:39:09,267 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:39:09,279 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:39:09,280 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:39:09" (1/1) ... [2024-11-25 03:39:09,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:39:09,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:39:09,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-11-25 03:39:09,353 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-11-25 03:39:09,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 03:39:09,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:39:09,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:39:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:39:09,505 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 03:39:09,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:39:09,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2024-11-25 03:39:09,552 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2024-11-25 03:39:09,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 03:39:09,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:39:09,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:39:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:39:09,567 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:39:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:39:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:39:09,609 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:39:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:39:09,629 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 03:39:09,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:39:09 ImpRootNode [2024-11-25 03:39:09,654 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:39:09,654 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:39:09,655 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:39:09,655 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:39:09,655 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:39:09" (3/4) ... [2024-11-25 03:39:09,656 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:39:09,695 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 3. [2024-11-25 03:39:09,739 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_475a72d1-9246-42b8-ad2f-95c35b590a3d/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:39:09,740 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_475a72d1-9246-42b8-ad2f-95c35b590a3d/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:39:09,740 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:39:09,741 INFO L158 Benchmark]: Toolchain (without parser) took 1116.86ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 50.2MB in the end (delta: 41.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 03:39:09,742 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:39:09,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.39ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 81.6MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:39:09,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.21ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:39:09,743 INFO L158 Benchmark]: Boogie Preprocessor took 18.23ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.6MB in the end (delta: 637.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:39:09,743 INFO L158 Benchmark]: RCFGBuilder took 342.07ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 68.4MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:39:09,744 INFO L158 Benchmark]: CodeCheck took 386.56ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 54.1MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:39:09,744 INFO L158 Benchmark]: Witness Printer took 85.41ms. Allocated memory is still 117.4MB. Free memory was 54.1MB in the beginning and 50.2MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:39:09,748 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, 8 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 17 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 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: [L17] int* numbers; [L18] int array_size = __VERIFIER_nondet_int(); [L19] CALL sumOfThirdBytes(numbers, array_size) [L5] int i, sum; [L6] char* p; [L7] sum = 0 [L8] i = 0 VAL [array_size=1, i=0, sum=0] [L8] COND TRUE i < array_size [L9] p = &(numbers[i]) [L10] p = p + 2 VAL [array_size=1, i=0, numbers={2:-2}, p={2:0}, sum=0] [L11] \read(*p) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.39ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 81.6MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.21ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.23ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.6MB in the end (delta: 637.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 342.07ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 68.4MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 386.56ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 54.1MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 85.41ms. Allocated memory is still 117.4MB. Free memory was 54.1MB in the beginning and 50.2MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:39:09,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_475a72d1-9246-42b8-ad2f-95c35b590a3d/bin/ukojak-verify-ENZ3QT5qd3/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(valid-deref)