./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_1013b24e-96e0-4da2-b588-0179bce1f7ed/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1013b24e-96e0-4da2-b588-0179bce1f7ed/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_1013b24e-96e0-4da2-b588-0179bce1f7ed/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1013b24e-96e0-4da2-b588-0179bce1f7ed/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1013b24e-96e0-4da2-b588-0179bce1f7ed/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1013b24e-96e0-4da2-b588-0179bce1f7ed/bin/ukojak-verify-afCqCEvfdi --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 eec160cf4b60485a1055f4c0493c31fb16faea97df24f3bbd4c282065dca8c74 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:58:59,681 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:58:59,826 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1013b24e-96e0-4da2-b588-0179bce1f7ed/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:58:59,832 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:58:59,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:58:59,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:58:59,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:58:59,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:58:59,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:58:59,884 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:58:59,885 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:58:59,886 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:58:59,886 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:58:59,888 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:58:59,889 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:58:59,889 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:58:59,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:58:59,890 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:58:59,890 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:58:59,891 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:58:59,892 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:58:59,892 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:58:59,893 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:58:59,894 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:58:59,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:59,895 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:58:59,895 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:58:59,896 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:58:59,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:58:59,896 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_1013b24e-96e0-4da2-b588-0179bce1f7ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1013b24e-96e0-4da2-b588-0179bce1f7ed/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eec160cf4b60485a1055f4c0493c31fb16faea97df24f3bbd4c282065dca8c74 [2023-11-24 22:59:00,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:00,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:00,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:00,223 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:00,224 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:00,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1013b24e-96e0-4da2-b588-0179bce1f7ed/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2023-11-24 22:59:03,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:03,762 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:03,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1013b24e-96e0-4da2-b588-0179bce1f7ed/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2023-11-24 22:59:03,772 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1013b24e-96e0-4da2-b588-0179bce1f7ed/bin/ukojak-verify-afCqCEvfdi/data/e55c8265e/6d90c86f66b64657a5e317db666a89cf/FLAG3c191078d [2023-11-24 22:59:03,791 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1013b24e-96e0-4da2-b588-0179bce1f7ed/bin/ukojak-verify-afCqCEvfdi/data/e55c8265e/6d90c86f66b64657a5e317db666a89cf [2023-11-24 22:59:03,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:03,798 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:03,802 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:03,802 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:03,807 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:03,808 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:03" (1/1) ... [2023-11-24 22:59:03,809 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10663d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:03, skipping insertion in model container [2023-11-24 22:59:03,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:03" (1/1) ... [2023-11-24 22:59:03,833 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:04,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:04,021 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:04,068 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:04,082 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:04,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:04 WrapperNode [2023-11-24 22:59:04,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:04,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:04,086 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:04,086 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:04,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:04" (1/1) ... [2023-11-24 22:59:04,101 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:04" (1/1) ... [2023-11-24 22:59:04,119 INFO L138 Inliner]: procedures = 8, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2023-11-24 22:59:04,120 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:04,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:04,121 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:04,121 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:04,130 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:04" (1/1) ... [2023-11-24 22:59:04,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:04" (1/1) ... [2023-11-24 22:59:04,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:04" (1/1) ... [2023-11-24 22:59:04,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:04" (1/1) ... [2023-11-24 22:59:04,138 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:04" (1/1) ... [2023-11-24 22:59:04,141 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:04" (1/1) ... [2023-11-24 22:59:04,143 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:04" (1/1) ... [2023-11-24 22:59:04,144 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:04" (1/1) ... [2023-11-24 22:59:04,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:04,147 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:04,147 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:04,147 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:04,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:04" (1/1) ... [2023-11-24 22:59:04,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:04,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1013b24e-96e0-4da2-b588-0179bce1f7ed/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:04,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1013b24e-96e0-4da2-b588-0179bce1f7ed/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:04,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1013b24e-96e0-4da2-b588-0179bce1f7ed/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:04,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:59:04,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:04,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:04,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:59:04,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:59:04,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:59:04,308 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:04,310 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:04,503 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:04,555 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:04,556 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 22:59:04,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:04 BoogieIcfgContainer [2023-11-24 22:59:04,558 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:04,559 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:04,559 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:04,570 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:04,570 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:04" (1/1) ... [2023-11-24 22:59:04,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:04,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:04,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2023-11-24 22:59:04,631 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-24 22:59:04,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:59:04,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:04,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:04,811 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 22:59:04,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:04,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-11-24 22:59:04,854 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-11-24 22:59:04,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:59:04,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:04,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:04,900 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:05,009 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:05,038 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 22:59:05,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:59:05 ImpRootNode [2023-11-24 22:59:05,076 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:59:05,077 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:59:05,078 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:59:05,078 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:59:05,078 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:04" (3/4) ... [2023-11-24 22:59:05,081 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 22:59:05,129 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1013b24e-96e0-4da2-b588-0179bce1f7ed/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:59:05,129 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:59:05,132 INFO L158 Benchmark]: Toolchain (without parser) took 1332.13ms. Allocated memory is still 159.4MB. Free memory was 126.2MB in the beginning and 89.4MB in the end (delta: 36.8MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2023-11-24 22:59:05,144 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:05,145 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.01ms. Allocated memory is still 159.4MB. Free memory was 126.2MB in the beginning and 127.2MB in the end (delta: -933.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 22:59:05,146 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.38ms. Allocated memory is still 159.4MB. Free memory was 127.2MB in the beginning and 125.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:05,147 INFO L158 Benchmark]: Boogie Preprocessor took 25.20ms. Allocated memory is still 159.4MB. Free memory was 125.8MB in the beginning and 125.1MB in the end (delta: 783.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:05,147 INFO L158 Benchmark]: RCFGBuilder took 411.36ms. Allocated memory is still 159.4MB. Free memory was 124.5MB in the beginning and 109.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:59:05,148 INFO L158 Benchmark]: CodeCheck took 516.92ms. Allocated memory is still 159.4MB. Free memory was 109.8MB in the beginning and 91.5MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:59:05,149 INFO L158 Benchmark]: Witness Printer took 53.12ms. Allocated memory is still 159.4MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:05,153 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, 19 locations, 8 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, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 27 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 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 - CounterExampleResult [Line: 15]: array index can be out of bounds array index can be out of bounds We found a FailurePath: [L21] int i, b[100]; [L22] i = 0 VAL [b={2:0}, i=0] [L22] COND TRUE i < 100 [L23] CALL foo(i, b, i + 1) [L13] int a[n], i; [L14] i = 0 VAL [\old(n)=0, \old(size)=1, b={2:0}, b={2:0}, i=0, n=0, size=1] [L14] COND TRUE i < size VAL [\old(n)=0, \old(size)=1, b={2:0}, b={2:0}, i=0, n=0, size=1] [L15] a[i] VAL [\old(n)=0, \old(size)=1, b={2:0}, b={2:0}, i=0, n=0, size=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.01ms. Allocated memory is still 159.4MB. Free memory was 126.2MB in the beginning and 127.2MB in the end (delta: -933.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.38ms. Allocated memory is still 159.4MB. Free memory was 127.2MB in the beginning and 125.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.20ms. Allocated memory is still 159.4MB. Free memory was 125.8MB in the beginning and 125.1MB in the end (delta: 783.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 411.36ms. Allocated memory is still 159.4MB. Free memory was 124.5MB in the beginning and 109.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 516.92ms. Allocated memory is still 159.4MB. Free memory was 109.8MB in the beginning and 91.5MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 53.12ms. Allocated memory is still 159.4MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-24 22:59:05,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1013b24e-96e0-4da2-b588-0179bce1f7ed/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(valid-deref)