./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-read.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_45a2c1c1-9764-4fd6-a9f1-8ca05a763955/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45a2c1c1-9764-4fd6-a9f1-8ca05a763955/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45a2c1c1-9764-4fd6-a9f1-8ca05a763955/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45a2c1c1-9764-4fd6-a9f1-8ca05a763955/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-read.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45a2c1c1-9764-4fd6-a9f1-8ca05a763955/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45a2c1c1-9764-4fd6-a9f1-8ca05a763955/bin/ukojak-verify-G8NBE6pJGL --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 ae57481434c4d2d83f3418f57c937e0ced919170ca4bdab03ab9b5db6056f353 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:48:24,725 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:48:24,799 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45a2c1c1-9764-4fd6-a9f1-8ca05a763955/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 02:48:24,807 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:48:24,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:48:24,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:48:24,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:48:24,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:48:24,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:48:24,856 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:48:24,857 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:48:24,857 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:48:24,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:48:24,860 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:48:24,860 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:48:24,860 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:48:24,861 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:48:24,861 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:48:24,862 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:48:24,862 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:48:24,862 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:48:24,863 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:48:24,863 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:48:24,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:48:24,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:24,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:48:24,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:48:24,866 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:48:24,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:48:24,867 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_45a2c1c1-9764-4fd6-a9f1-8ca05a763955/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45a2c1c1-9764-4fd6-a9f1-8ca05a763955/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae57481434c4d2d83f3418f57c937e0ced919170ca4bdab03ab9b5db6056f353 [2023-11-19 02:48:25,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:48:25,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:48:25,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:48:25,217 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:48:25,218 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:48:25,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45a2c1c1-9764-4fd6-a9f1-8ca05a763955/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-read.c [2023-11-19 02:48:28,422 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:48:28,653 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:48:28,655 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45a2c1c1-9764-4fd6-a9f1-8ca05a763955/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-read.c [2023-11-19 02:48:28,665 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45a2c1c1-9764-4fd6-a9f1-8ca05a763955/bin/ukojak-verify-G8NBE6pJGL/data/23c9dfdb1/6cc6fd6f71ab4ea2ab29cb6d38d59574/FLAG5d7b91dce [2023-11-19 02:48:28,679 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45a2c1c1-9764-4fd6-a9f1-8ca05a763955/bin/ukojak-verify-G8NBE6pJGL/data/23c9dfdb1/6cc6fd6f71ab4ea2ab29cb6d38d59574 [2023-11-19 02:48:28,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:48:28,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:48:28,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:48:28,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:48:28,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:48:28,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:28,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dcd484b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28, skipping insertion in model container [2023-11-19 02:48:28,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:28,726 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:48:28,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:48:28,879 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:48:28,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:48:28,914 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:48:28,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28 WrapperNode [2023-11-19 02:48:28,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:48:28,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:48:28,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:48:28,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:48:28,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:28,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:28,945 INFO L138 Inliner]: procedures = 8, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2023-11-19 02:48:28,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:48:28,946 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:48:28,946 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:48:28,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:48:28,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:28,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:28,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:28,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:28,963 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:28,967 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:28,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:28,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:28,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:48:28,972 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:48:28,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:48:28,972 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:48:28,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:28,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:28,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45a2c1c1-9764-4fd6-a9f1-8ca05a763955/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:48:29,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45a2c1c1-9764-4fd6-a9f1-8ca05a763955/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:48:29,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45a2c1c1-9764-4fd6-a9f1-8ca05a763955/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:48:29,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:48:29,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:48:29,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:48:29,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:48:29,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:48:29,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:48:29,131 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:48:29,133 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:48:29,327 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:48:29,401 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:48:29,405 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:48:29,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:29 BoogieIcfgContainer [2023-11-19 02:48:29,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:48:29,416 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:48:29,416 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:48:29,428 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:48:29,428 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:29" (1/1) ... [2023-11-19 02:48:29,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:48:29,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:29,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2023-11-19 02:48:29,489 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-19 02:48:29,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:48:29,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:29,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:29,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:29,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:29,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-11-19 02:48:29,697 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-11-19 02:48:29,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:48:29,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:29,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:48:29,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:48:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:48:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:48:29,823 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:48:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:48:29,843 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 02:48:29,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:48:29 ImpRootNode [2023-11-19 02:48:29,873 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:48:29,874 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:48:29,876 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:48:29,876 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:48:29,877 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:29" (3/4) ... [2023-11-19 02:48:29,878 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 02:48:29,948 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45a2c1c1-9764-4fd6-a9f1-8ca05a763955/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:48:29,948 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:48:29,949 INFO L158 Benchmark]: Toolchain (without parser) took 1266.28ms. Allocated memory is still 144.7MB. Free memory was 105.0MB in the beginning and 58.8MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-19 02:48:29,950 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 144.7MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:48:29,951 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.89ms. Allocated memory is still 144.7MB. Free memory was 104.5MB in the beginning and 94.4MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:48:29,952 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.46ms. Allocated memory is still 144.7MB. Free memory was 94.4MB in the beginning and 92.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:48:29,955 INFO L158 Benchmark]: Boogie Preprocessor took 25.33ms. Allocated memory is still 144.7MB. Free memory was 92.9MB in the beginning and 91.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:48:29,956 INFO L158 Benchmark]: RCFGBuilder took 443.19ms. Allocated memory is still 144.7MB. Free memory was 91.8MB in the beginning and 77.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:48:29,959 INFO L158 Benchmark]: CodeCheck took 456.57ms. Allocated memory is still 144.7MB. Free memory was 77.7MB in the beginning and 60.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:48:29,960 INFO L158 Benchmark]: Witness Printer took 74.36ms. Allocated memory is still 144.7MB. Free memory was 60.4MB in the beginning and 58.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:48:29,963 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, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 5 mSDtfsCounter, 7 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) [L13] int a[n], i; [L14] i = 0 VAL [\old(n)=0, \old(size)=0, b={2:0}, b={2:0}, i=0, n=0, size=0] [L14] COND TRUE i < size + 1 VAL [\old(n)=0, \old(size)=0, b={2:0}, b={2:0}, i=0, n=0, size=0] [L15] a[i] VAL [\old(n)=0, \old(size)=0, b={2:0}, b={2:0}, i=0, n=0, size=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 144.7MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.89ms. Allocated memory is still 144.7MB. Free memory was 104.5MB in the beginning and 94.4MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.46ms. Allocated memory is still 144.7MB. Free memory was 94.4MB in the beginning and 92.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.33ms. Allocated memory is still 144.7MB. Free memory was 92.9MB in the beginning and 91.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 443.19ms. Allocated memory is still 144.7MB. Free memory was 91.8MB in the beginning and 77.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 456.57ms. Allocated memory is still 144.7MB. Free memory was 77.7MB in the beginning and 60.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 74.36ms. Allocated memory is still 144.7MB. Free memory was 60.4MB in the beginning and 58.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 02:48:30,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45a2c1c1-9764-4fd6-a9f1-8ca05a763955/bin/ukojak-verify-G8NBE6pJGL/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)