./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/loops/invert_string-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 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_708b72ad-f00e-4738-bde8-67eb95479364/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b72ad-f00e-4738-bde8-67eb95479364/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b72ad-f00e-4738-bde8-67eb95479364/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b72ad-f00e-4738-bde8-67eb95479364/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/loops/invert_string-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b72ad-f00e-4738-bde8-67eb95479364/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b72ad-f00e-4738-bde8-67eb95479364/bin/ukojak-verify-ImItNfHLgk --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 e33cb4ee211d41e701c41ff91ce60e23f49ca2926f74469a82378a4395cc8259 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:59:03,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:59:03,221 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b72ad-f00e-4738-bde8-67eb95479364/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-08 22:59:03,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:59:03,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:59:03,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:59:03,267 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:59:03,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:59:03,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:59:03,268 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:59:03,269 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:59:03,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:59:03,271 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:59:03,273 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 22:59:03,273 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 22:59:03,273 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 22:59:03,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:59:03,274 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:59:03,274 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:59:03,274 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:59:03,275 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:59:03,279 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:59:03,279 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:59:03,279 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:59:03,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:59:03,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:59:03,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:59:03,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:59:03,281 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:59:03,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:59:03,281 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_708b72ad-f00e-4738-bde8-67eb95479364/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b72ad-f00e-4738-bde8-67eb95479364/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e33cb4ee211d41e701c41ff91ce60e23f49ca2926f74469a82378a4395cc8259 [2024-11-08 22:59:03,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:59:03,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:59:03,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:59:03,567 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:59:03,568 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:59:03,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b72ad-f00e-4738-bde8-67eb95479364/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loops/invert_string-2.c Unable to find full path for "g++" [2024-11-08 22:59:05,565 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:59:05,791 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:59:05,792 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b72ad-f00e-4738-bde8-67eb95479364/sv-benchmarks/c/loops/invert_string-2.c [2024-11-08 22:59:05,800 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b72ad-f00e-4738-bde8-67eb95479364/bin/ukojak-verify-ImItNfHLgk/data/e0ed7f3c4/cc3bf4b1ea5b461da42b5a96e50755b1/FLAG1cd295cdb [2024-11-08 22:59:06,153 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b72ad-f00e-4738-bde8-67eb95479364/bin/ukojak-verify-ImItNfHLgk/data/e0ed7f3c4/cc3bf4b1ea5b461da42b5a96e50755b1 [2024-11-08 22:59:06,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:59:06,158 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:59:06,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:59:06,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:59:06,165 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:59:06,166 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:59:06" (1/1) ... [2024-11-08 22:59:06,167 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f4cd67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:06, skipping insertion in model container [2024-11-08 22:59:06,167 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:59:06" (1/1) ... [2024-11-08 22:59:06,187 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:59:06,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:59:06,400 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:59:06,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:59:06,437 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:59:06,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:06 WrapperNode [2024-11-08 22:59:06,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:59:06,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:59:06,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:59:06,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:59:06,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:06" (1/1) ... [2024-11-08 22:59:06,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:06" (1/1) ... [2024-11-08 22:59:06,473 INFO L138 Inliner]: procedures = 15, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-11-08 22:59:06,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:59:06,474 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:59:06,474 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:59:06,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:59:06,483 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:06" (1/1) ... [2024-11-08 22:59:06,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:06" (1/1) ... [2024-11-08 22:59:06,486 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:06" (1/1) ... [2024-11-08 22:59:06,486 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:06" (1/1) ... [2024-11-08 22:59:06,492 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:06" (1/1) ... [2024-11-08 22:59:06,495 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:06" (1/1) ... [2024-11-08 22:59:06,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:06" (1/1) ... [2024-11-08 22:59:06,498 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:06" (1/1) ... [2024-11-08 22:59:06,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:59:06,500 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:59:06,501 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:59:06,501 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:59:06,502 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:06" (1/1) ... [2024-11-08 22:59:06,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:59:06,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b72ad-f00e-4738-bde8-67eb95479364/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:59:06,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b72ad-f00e-4738-bde8-67eb95479364/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:59:06,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b72ad-f00e-4738-bde8-67eb95479364/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:59:06,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:59:06,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:59:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:59:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:59:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:59:06,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:59:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:59:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:59:06,639 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:59:06,641 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:59:06,855 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-08 22:59:06,855 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:59:06,911 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:59:06,911 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:59:06,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:59:06 BoogieIcfgContainer [2024-11-08 22:59:06,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:59:06,913 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:59:06,913 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:59:06,924 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:59:06,924 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:59:06" (1/1) ... [2024-11-08 22:59:06,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:59:07,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:07,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2024-11-08 22:59:07,005 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2024-11-08 22:59:07,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 22:59:07,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:07,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:59:07,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:07,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:59:07,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:07,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 42 transitions. [2024-11-08 22:59:07,459 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2024-11-08 22:59:07,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 22:59:07,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:07,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:59:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:59:07,487 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:59:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:59:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:59:07,576 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:59:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:59:07,601 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 22:59:07,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:59:07 ImpRootNode [2024-11-08 22:59:07,631 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:59:07,632 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:59:07,632 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:59:07,632 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:59:07,633 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:59:06" (3/4) ... [2024-11-08 22:59:07,638 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 22:59:07,687 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b72ad-f00e-4738-bde8-67eb95479364/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:59:07,687 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:59:07,688 INFO L158 Benchmark]: Toolchain (without parser) took 1530.50ms. Allocated memory was 159.4MB in the beginning and 216.0MB in the end (delta: 56.6MB). Free memory was 120.4MB in the beginning and 179.0MB in the end (delta: -58.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:59:07,689 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 159.4MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:59:07,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.34ms. Allocated memory is still 159.4MB. Free memory was 120.4MB in the beginning and 107.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:59:07,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.18ms. Allocated memory is still 159.4MB. Free memory was 107.8MB in the beginning and 106.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:59:07,694 INFO L158 Benchmark]: Boogie Preprocessor took 25.90ms. Allocated memory is still 159.4MB. Free memory was 106.2MB in the beginning and 105.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:59:07,695 INFO L158 Benchmark]: RCFGBuilder took 411.32ms. Allocated memory is still 159.4MB. Free memory was 104.5MB in the beginning and 88.5MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:59:07,697 INFO L158 Benchmark]: CodeCheck took 718.69ms. Allocated memory was 159.4MB in the beginning and 216.0MB in the end (delta: 56.6MB). Free memory was 88.5MB in the beginning and 181.1MB in the end (delta: -92.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:59:07,698 INFO L158 Benchmark]: Witness Printer took 55.62ms. Allocated memory is still 216.0MB. Free memory was 181.1MB in the beginning and 179.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:59:07,700 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, 34 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 4 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 21 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, 0.3s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L15] int MAX = __VERIFIER_nondet_uint(); [L16] char str1[MAX], str2[MAX]; [L17] int cont, i, j; [L18] cont = 0 [L20] i=0 VAL [MAX=0, i=0, str1={14024:0}, str2={14023:0}] [L20] COND TRUE i