./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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c3012e5-b31a-4126-acc9-f38b375ea6ec/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c3012e5-b31a-4126-acc9-f38b375ea6ec/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c3012e5-b31a-4126-acc9-f38b375ea6ec/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c3012e5-b31a-4126-acc9-f38b375ea6ec/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c3012e5-b31a-4126-acc9-f38b375ea6ec/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c3012e5-b31a-4126-acc9-f38b375ea6ec/bin/ukojak-verify-Qdu7aM0XO9 --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 [2023-12-02 23:33:35,370 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:33:35,442 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c3012e5-b31a-4126-acc9-f38b375ea6ec/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-02 23:33:35,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:33:35,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:33:35,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:33:35,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:33:35,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:33:35,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:33:35,474 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:33:35,475 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:33:35,475 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:33:35,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:33:35,476 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 23:33:35,477 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 23:33:35,477 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 23:33:35,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:33:35,478 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:33:35,479 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:33:35,479 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:33:35,480 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:33:35,480 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:33:35,481 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:33:35,481 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:33:35,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:33:35,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:33:35,483 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:33:35,483 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:33:35,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:33:35,484 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_7c3012e5-b31a-4126-acc9-f38b375ea6ec/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c3012e5-b31a-4126-acc9-f38b375ea6ec/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eec160cf4b60485a1055f4c0493c31fb16faea97df24f3bbd4c282065dca8c74 [2023-12-02 23:33:35,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:33:35,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:33:35,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:33:35,729 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:33:35,729 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:33:35,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c3012e5-b31a-4126-acc9-f38b375ea6ec/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2023-12-02 23:33:38,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:33:38,684 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:33:38,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c3012e5-b31a-4126-acc9-f38b375ea6ec/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2023-12-02 23:33:38,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c3012e5-b31a-4126-acc9-f38b375ea6ec/bin/ukojak-verify-Qdu7aM0XO9/data/68debbcd4/e98773a9623f4e1e9a1cc42851854f04/FLAG2826a0cc3 [2023-12-02 23:33:38,704 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c3012e5-b31a-4126-acc9-f38b375ea6ec/bin/ukojak-verify-Qdu7aM0XO9/data/68debbcd4/e98773a9623f4e1e9a1cc42851854f04 [2023-12-02 23:33:38,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:33:38,707 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:33:38,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:33:38,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:33:38,713 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:33:38,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:33:38" (1/1) ... [2023-12-02 23:33:38,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c68fae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:38, skipping insertion in model container [2023-12-02 23:33:38,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:33:38" (1/1) ... [2023-12-02 23:33:38,731 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:33:38,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:33:38,873 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:33:38,887 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:33:38,898 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:33:38,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:38 WrapperNode [2023-12-02 23:33:38,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:33:38,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:33:38,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:33:38,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:33:38,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:38" (1/1) ... [2023-12-02 23:33:38,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:38" (1/1) ... [2023-12-02 23:33:38,929 INFO L138 Inliner]: procedures = 8, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2023-12-02 23:33:38,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:33:38,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:33:38,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:33:38,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:33:38,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:38" (1/1) ... [2023-12-02 23:33:38,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:38" (1/1) ... [2023-12-02 23:33:38,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:38" (1/1) ... [2023-12-02 23:33:38,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:38" (1/1) ... [2023-12-02 23:33:38,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:38" (1/1) ... [2023-12-02 23:33:38,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:38" (1/1) ... [2023-12-02 23:33:38,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:38" (1/1) ... [2023-12-02 23:33:38,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:38" (1/1) ... [2023-12-02 23:33:38,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:33:38,954 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:33:38,954 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:33:38,954 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:33:38,955 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:38" (1/1) ... [2023-12-02 23:33:38,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:33:38,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c3012e5-b31a-4126-acc9-f38b375ea6ec/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:33:38,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c3012e5-b31a-4126-acc9-f38b375ea6ec/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:33:39,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c3012e5-b31a-4126-acc9-f38b375ea6ec/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:33:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:33:39,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:33:39,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:33:39,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:33:39,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:33:39,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:33:39,107 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:33:39,108 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:33:39,243 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:33:39,287 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:33:39,287 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 23:33:39,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:33:39 BoogieIcfgContainer [2023-12-02 23:33:39,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:33:39,290 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:33:39,290 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:33:39,300 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:33:39,300 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:33:39" (1/1) ... [2023-12-02 23:33:39,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:33:39,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:39,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2023-12-02 23:33:39,353 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-12-02 23:33:39,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:33:39,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:39,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:39,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:39,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:39,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-12-02 23:33:39,534 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-12-02 23:33:39,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:33:39,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:39,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:33:39,558 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:33:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:33:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:33:39,606 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:33:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:33:39,621 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 23:33:39,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:33:39 ImpRootNode [2023-12-02 23:33:39,641 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:33:39,642 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:33:39,642 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:33:39,643 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:33:39,643 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:33:39" (3/4) ... [2023-12-02 23:33:39,644 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-02 23:33:39,681 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c3012e5-b31a-4126-acc9-f38b375ea6ec/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:33:39,681 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:33:39,682 INFO L158 Benchmark]: Toolchain (without parser) took 974.30ms. Allocated memory is still 159.4MB. Free memory was 101.7MB in the beginning and 100.7MB in the end (delta: 993.9kB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2023-12-02 23:33:39,682 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 96.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:33:39,683 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.77ms. Allocated memory is still 159.4MB. Free memory was 101.5MB in the beginning and 91.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 23:33:39,683 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.59ms. Allocated memory is still 159.4MB. Free memory was 91.6MB in the beginning and 89.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:33:39,684 INFO L158 Benchmark]: Boogie Preprocessor took 22.88ms. Allocated memory is still 159.4MB. Free memory was 89.9MB in the beginning and 88.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:33:39,684 INFO L158 Benchmark]: RCFGBuilder took 335.80ms. Allocated memory is still 159.4MB. Free memory was 88.7MB in the beginning and 120.0MB in the end (delta: -31.3MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2023-12-02 23:33:39,685 INFO L158 Benchmark]: CodeCheck took 351.47ms. Allocated memory is still 159.4MB. Free memory was 120.0MB in the beginning and 102.3MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 23:33:39,685 INFO L158 Benchmark]: Witness Printer took 38.70ms. Allocated memory is still 159.4MB. Free memory was 102.3MB in the beginning and 100.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:33:39,689 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: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 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, 0.0s 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 0.24ms. Allocated memory is still 96.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 190.77ms. Allocated memory is still 159.4MB. Free memory was 101.5MB in the beginning and 91.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.59ms. Allocated memory is still 159.4MB. Free memory was 91.6MB in the beginning and 89.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.88ms. Allocated memory is still 159.4MB. Free memory was 89.9MB in the beginning and 88.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 335.80ms. Allocated memory is still 159.4MB. Free memory was 88.7MB in the beginning and 120.0MB in the end (delta: -31.3MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * CodeCheck took 351.47ms. Allocated memory is still 159.4MB. Free memory was 120.0MB in the beginning and 102.3MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 38.70ms. Allocated memory is still 159.4MB. Free memory was 102.3MB in the beginning and 100.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-12-02 23:33:39,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c3012e5-b31a-4126-acc9-f38b375ea6ec/bin/ukojak-verify-Qdu7aM0XO9/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)