./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/scopes4-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abfefbf-9462-4539-8deb-6bbc17e5cf67/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abfefbf-9462-4539-8deb-6bbc17e5cf67/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abfefbf-9462-4539-8deb-6bbc17e5cf67/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abfefbf-9462-4539-8deb-6bbc17e5cf67/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/scopes4-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abfefbf-9462-4539-8deb-6bbc17e5cf67/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abfefbf-9462-4539-8deb-6bbc17e5cf67/bin/ukojak-verify-EEHR8qb7sm --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 d3e64a3bb1136adaedbe48fbb8a8a2a2e8de15e4ab22e021abc9c36f399fb6cc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:50:51,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:50:51,602 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abfefbf-9462-4539-8deb-6bbc17e5cf67/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 20:50:51,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:50:51,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:50:51,658 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:50:51,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:50:51,661 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:50:51,661 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:50:51,662 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:50:51,662 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:50:51,663 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:50:51,663 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:50:51,663 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 20:50:51,664 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 20:50:51,664 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 20:50:51,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:50:51,664 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:50:51,664 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:50:51,664 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:50:51,664 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:50:51,664 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:50:51,664 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:50:51,664 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:50:51,665 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:50:51,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:50:51,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:50:51,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:50:51,665 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:50:51,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:50:51,665 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_4abfefbf-9462-4539-8deb-6bbc17e5cf67/bin/ukojak-verify-EEHR8qb7sm 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 -> d3e64a3bb1136adaedbe48fbb8a8a2a2e8de15e4ab22e021abc9c36f399fb6cc [2024-11-13 20:50:52,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:50:52,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:50:52,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:50:52,076 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:50:52,077 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:50:52,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abfefbf-9462-4539-8deb-6bbc17e5cf67/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/memsafety-ext3/scopes4-2.c Unable to find full path for "g++" [2024-11-13 20:50:54,298 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:50:54,623 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:50:54,624 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abfefbf-9462-4539-8deb-6bbc17e5cf67/sv-benchmarks/c/memsafety-ext3/scopes4-2.c [2024-11-13 20:50:54,632 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abfefbf-9462-4539-8deb-6bbc17e5cf67/bin/ukojak-verify-EEHR8qb7sm/data/bccf8e41e/1e181ebf9b164aa1a25b2024ad335209/FLAG60ddc97cc [2024-11-13 20:50:54,660 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abfefbf-9462-4539-8deb-6bbc17e5cf67/bin/ukojak-verify-EEHR8qb7sm/data/bccf8e41e/1e181ebf9b164aa1a25b2024ad335209 [2024-11-13 20:50:54,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:50:54,666 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:50:54,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:50:54,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:50:54,676 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:50:54,677 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:50:54" (1/1) ... [2024-11-13 20:50:54,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d1cf5e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:54, skipping insertion in model container [2024-11-13 20:50:54,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:50:54" (1/1) ... [2024-11-13 20:50:54,697 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:50:54,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:50:54,918 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:50:54,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:50:54,955 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:50:54,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:54 WrapperNode [2024-11-13 20:50:54,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:50:54,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:50:54,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:50:54,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:50:54,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:54" (1/1) ... [2024-11-13 20:50:54,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:54" (1/1) ... [2024-11-13 20:50:55,000 INFO L138 Inliner]: procedures = 10, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 27 [2024-11-13 20:50:55,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:50:55,003 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:50:55,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:50:55,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:50:55,011 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:54" (1/1) ... [2024-11-13 20:50:55,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:54" (1/1) ... [2024-11-13 20:50:55,014 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:54" (1/1) ... [2024-11-13 20:50:55,014 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:54" (1/1) ... [2024-11-13 20:50:55,021 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:54" (1/1) ... [2024-11-13 20:50:55,025 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:54" (1/1) ... [2024-11-13 20:50:55,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:54" (1/1) ... [2024-11-13 20:50:55,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:54" (1/1) ... [2024-11-13 20:50:55,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:50:55,031 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:50:55,031 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:50:55,031 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:50:55,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:54" (1/1) ... [2024-11-13 20:50:55,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:50:55,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abfefbf-9462-4539-8deb-6bbc17e5cf67/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:50:55,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abfefbf-9462-4539-8deb-6bbc17e5cf67/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:50:55,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abfefbf-9462-4539-8deb-6bbc17e5cf67/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:50:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:50:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:50:55,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:50:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:50:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:50:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:50:55,200 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:50:55,203 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:50:55,369 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-13 20:50:55,369 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:50:55,437 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:50:55,439 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:50:55,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:50:55 BoogieIcfgContainer [2024-11-13 20:50:55,442 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:50:55,443 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:50:55,443 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:50:55,457 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:50:55,457 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:50:55" (1/1) ... [2024-11-13 20:50:55,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:50:55,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:55,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2024-11-13 20:50:55,529 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2024-11-13 20:50:55,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 20:50:55,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:55,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:55,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:50:55,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:55,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2024-11-13 20:50:55,752 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-11-13 20:50:55,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 20:50:55,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:55,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:55,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:50:56,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:56,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2024-11-13 20:50:56,034 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-13 20:50:56,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:50:56,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:56,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:50:56,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:50:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:50:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:50:56,126 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:50:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:50:56,147 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-13 20:50:56,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:50:56 ImpRootNode [2024-11-13 20:50:56,173 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:50:56,174 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:50:56,174 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:50:56,174 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:50:56,175 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:50:55" (3/4) ... [2024-11-13 20:50:56,176 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 20:50:56,209 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abfefbf-9462-4539-8deb-6bbc17e5cf67/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:50:56,209 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:50:56,210 INFO L158 Benchmark]: Toolchain (without parser) took 1544.22ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 69.0MB in the end (delta: 48.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 20:50:56,214 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 167.8MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:50:56,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.54ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 107.8MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:50:56,215 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.60ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:50:56,215 INFO L158 Benchmark]: Boogie Preprocessor took 26.27ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 106.0MB in the end (delta: 688.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:50:56,216 INFO L158 Benchmark]: RCFGBuilder took 411.12ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 94.8MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:50:56,216 INFO L158 Benchmark]: CodeCheck took 730.70ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 70.9MB in the end (delta: 23.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:50:56,216 INFO L158 Benchmark]: Witness Printer took 35.46ms. Allocated memory is still 142.6MB. Free memory was 70.6MB in the beginning and 69.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:50:56,223 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, 10 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, 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, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 0 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L17] CALL, EXPR foo() [L12] int arr[123]; [L13] CALL, EXPR foo2() [L5] int arr[1024]; VAL [arr={2:0}] [L6] arr[194] = 13 [L7] return arr + 1; [L7] return arr + 1; [L13] RET, EXPR foo2() [L13] return foo2(); [L17] RET, EXPR foo() [L17] int *a = foo(); [L18] \read(*a) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 167.8MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.54ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 107.8MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.60ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.27ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 106.0MB in the end (delta: 688.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 411.12ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 94.8MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 730.70ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 70.9MB in the end (delta: 23.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 35.46ms. Allocated memory is still 142.6MB. Free memory was 70.6MB in the beginning and 69.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 20:50:56,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abfefbf-9462-4539-8deb-6bbc17e5cf67/bin/ukojak-verify-EEHR8qb7sm/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)