./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memset_-write.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_554c50f5-9412-4e6f-b5aa-5fcca1f9775f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554c50f5-9412-4e6f-b5aa-5fcca1f9775f/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_554c50f5-9412-4e6f-b5aa-5fcca1f9775f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554c50f5-9412-4e6f-b5aa-5fcca1f9775f/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memset_-write.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554c50f5-9412-4e6f-b5aa-5fcca1f9775f/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_554c50f5-9412-4e6f-b5aa-5fcca1f9775f/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 ba21f683e7359b2183f84247787bae0200d2737e415ddf8263ed1dffc45ae166 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:04:04,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:04:04,272 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554c50f5-9412-4e6f-b5aa-5fcca1f9775f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 04:04:04,276 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:04:04,277 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:04:04,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:04:04,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:04:04,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:04:04,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:04:04,305 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:04:04,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:04:04,306 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:04:04,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:04:04,308 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:04:04,308 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:04:04,309 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:04:04,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:04:04,310 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:04:04,311 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:04:04,312 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:04:04,312 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:04:04,313 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:04:04,314 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:04:04,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:04:04,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:04,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:04:04,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:04:04,317 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:04:04,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:04:04,318 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_554c50f5-9412-4e6f-b5aa-5fcca1f9775f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554c50f5-9412-4e6f-b5aa-5fcca1f9775f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba21f683e7359b2183f84247787bae0200d2737e415ddf8263ed1dffc45ae166 [2023-11-19 04:04:04,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:04:04,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:04:04,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:04:04,711 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:04:04,712 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:04:04,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554c50f5-9412-4e6f-b5aa-5fcca1f9775f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-memsafety/memset_-write.c [2023-11-19 04:04:07,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:04:08,039 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:04:08,040 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554c50f5-9412-4e6f-b5aa-5fcca1f9775f/sv-benchmarks/c/ldv-memsafety/memset_-write.c [2023-11-19 04:04:08,047 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554c50f5-9412-4e6f-b5aa-5fcca1f9775f/bin/ukojak-verify-G8NBE6pJGL/data/12cb7236f/1461cedc812e42b6bdbbc50018b359ba/FLAG0a735bcf1 [2023-11-19 04:04:08,063 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554c50f5-9412-4e6f-b5aa-5fcca1f9775f/bin/ukojak-verify-G8NBE6pJGL/data/12cb7236f/1461cedc812e42b6bdbbc50018b359ba [2023-11-19 04:04:08,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:04:08,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:04:08,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:08,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:04:08,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:04:08,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:08" (1/1) ... [2023-11-19 04:04:08,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d66b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:08, skipping insertion in model container [2023-11-19 04:04:08,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:08" (1/1) ... [2023-11-19 04:04:08,136 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:04:08,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:08,360 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:04:08,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:08,402 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:04:08,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:08 WrapperNode [2023-11-19 04:04:08,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:08,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:08,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:04:08,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:04:08,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:08" (1/1) ... [2023-11-19 04:04:08,423 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:08" (1/1) ... [2023-11-19 04:04:08,445 INFO L138 Inliner]: procedures = 7, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16 [2023-11-19 04:04:08,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:08,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:04:08,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:04:08,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:04:08,457 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:08" (1/1) ... [2023-11-19 04:04:08,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:08" (1/1) ... [2023-11-19 04:04:08,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:08" (1/1) ... [2023-11-19 04:04:08,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:08" (1/1) ... [2023-11-19 04:04:08,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:08" (1/1) ... [2023-11-19 04:04:08,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:08" (1/1) ... [2023-11-19 04:04:08,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:08" (1/1) ... [2023-11-19 04:04:08,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:08" (1/1) ... [2023-11-19 04:04:08,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:04:08,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:04:08,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:04:08,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:04:08,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:08" (1/1) ... [2023-11-19 04:04:08,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:08,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554c50f5-9412-4e6f-b5aa-5fcca1f9775f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:04:08,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554c50f5-9412-4e6f-b5aa-5fcca1f9775f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:04:08,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554c50f5-9412-4e6f-b5aa-5fcca1f9775f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:04:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:04:08,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:04:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:04:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:04:08,647 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:04:08,649 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:04:08,767 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:04:08,792 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:04:08,792 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:04:08,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:08 BoogieIcfgContainer [2023-11-19 04:04:08,798 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:04:08,799 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:04:08,799 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:04:08,811 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:04:08,811 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:08" (1/1) ... [2023-11-19 04:04:08,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:04:08,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:08,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-19 04:04:08,883 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-19 04:04:08,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 04:04:08,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:08,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:09,099 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 04:04:09,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:09,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-19 04:04:09,133 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-19 04:04:09,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:04:09,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:09,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:04:09,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:04:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:04:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:04:09,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:04:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:04:09,227 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 04:04:09,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:04:09 ImpRootNode [2023-11-19 04:04:09,251 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:04:09,252 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:04:09,253 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:04:09,253 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:04:09,253 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:08" (3/4) ... [2023-11-19 04:04:09,255 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 04:04:09,291 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554c50f5-9412-4e6f-b5aa-5fcca1f9775f/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:04:09,292 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:04:09,293 INFO L158 Benchmark]: Toolchain (without parser) took 1224.56ms. Allocated memory is still 195.0MB. Free memory was 159.8MB in the beginning and 127.3MB in the end (delta: 32.6MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2023-11-19 04:04:09,293 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:04:09,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.88ms. Allocated memory is still 195.0MB. Free memory was 159.3MB in the beginning and 158.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:04:09,295 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.68ms. Allocated memory is still 195.0MB. Free memory was 158.0MB in the beginning and 156.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:04:09,296 INFO L158 Benchmark]: Boogie Preprocessor took 27.67ms. Allocated memory is still 195.0MB. Free memory was 156.6MB in the beginning and 155.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:04:09,296 INFO L158 Benchmark]: RCFGBuilder took 322.83ms. Allocated memory is still 195.0MB. Free memory was 155.2MB in the beginning and 144.7MB in the end (delta: 10.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:04:09,297 INFO L158 Benchmark]: CodeCheck took 452.60ms. Allocated memory is still 195.0MB. Free memory was 144.7MB in the beginning and 128.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:04:09,298 INFO L158 Benchmark]: Witness Printer took 39.47ms. Allocated memory is still 195.0MB. Free memory was 128.6MB in the beginning and 127.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:04:09,301 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, 9 locations, 3 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, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 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, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 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: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L26] struct ppp_comp_stats cstats ; [L27] CALL memset((void *)(& cstats), 0, 81UL) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.88ms. Allocated memory is still 195.0MB. Free memory was 159.3MB in the beginning and 158.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.68ms. Allocated memory is still 195.0MB. Free memory was 158.0MB in the beginning and 156.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.67ms. Allocated memory is still 195.0MB. Free memory was 156.6MB in the beginning and 155.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 322.83ms. Allocated memory is still 195.0MB. Free memory was 155.2MB in the beginning and 144.7MB in the end (delta: 10.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 452.60ms. Allocated memory is still 195.0MB. Free memory was 144.7MB in the beginning and 128.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 39.47ms. Allocated memory is still 195.0MB. Free memory was 128.6MB in the beginning and 127.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 04:04:09,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554c50f5-9412-4e6f-b5aa-5fcca1f9775f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)