./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/scopes1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad99911d-32cc-4b8c-82b8-88469b4c43e2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad99911d-32cc-4b8c-82b8-88469b4c43e2/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_ad99911d-32cc-4b8c-82b8-88469b4c43e2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad99911d-32cc-4b8c-82b8-88469b4c43e2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/scopes1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad99911d-32cc-4b8c-82b8-88469b4c43e2/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_ad99911d-32cc-4b8c-82b8-88469b4c43e2/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 5006077e10b123684af5816f85c68609f620d4e536300995b347b7a57b1efc6a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:49:15,755 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:49:15,821 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad99911d-32cc-4b8c-82b8-88469b4c43e2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-03 01:49:15,825 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:49:15,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:49:15,850 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:49:15,851 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:49:15,851 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:49:15,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:49:15,852 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:49:15,853 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:49:15,854 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:49:15,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:49:15,855 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 01:49:15,855 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 01:49:15,856 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 01:49:15,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:49:15,857 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:49:15,857 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:49:15,858 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:49:15,859 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:49:15,859 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:49:15,860 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:49:15,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:49:15,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:49:15,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:49:15,862 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:49:15,862 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:49:15,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:49:15,863 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_ad99911d-32cc-4b8c-82b8-88469b4c43e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad99911d-32cc-4b8c-82b8-88469b4c43e2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5006077e10b123684af5816f85c68609f620d4e536300995b347b7a57b1efc6a [2023-12-03 01:49:16,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:49:16,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:49:16,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:49:16,088 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:49:16,089 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:49:16,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad99911d-32cc-4b8c-82b8-88469b4c43e2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/memsafety-ext3/scopes1.c [2023-12-03 01:49:18,853 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:49:19,024 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:49:19,025 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad99911d-32cc-4b8c-82b8-88469b4c43e2/sv-benchmarks/c/memsafety-ext3/scopes1.c [2023-12-03 01:49:19,033 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad99911d-32cc-4b8c-82b8-88469b4c43e2/bin/ukojak-verify-Qdu7aM0XO9/data/61b6b8d4e/cd98334f3248404a9e8efe39a8e09b1f/FLAG52a362ff3 [2023-12-03 01:49:19,048 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad99911d-32cc-4b8c-82b8-88469b4c43e2/bin/ukojak-verify-Qdu7aM0XO9/data/61b6b8d4e/cd98334f3248404a9e8efe39a8e09b1f [2023-12-03 01:49:19,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:49:19,052 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:49:19,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:49:19,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:49:19,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:49:19,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:49:19" (1/1) ... [2023-12-03 01:49:19,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10609676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:19, skipping insertion in model container [2023-12-03 01:49:19,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:49:19" (1/1) ... [2023-12-03 01:49:19,078 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:49:19,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:49:19,203 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:49:19,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:49:19,225 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:49:19,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:19 WrapperNode [2023-12-03 01:49:19,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:49:19,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:49:19,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:49:19,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:49:19,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:19" (1/1) ... [2023-12-03 01:49:19,237 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:19" (1/1) ... [2023-12-03 01:49:19,251 INFO L138 Inliner]: procedures = 9, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2023-12-03 01:49:19,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:49:19,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:49:19,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:49:19,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:49:19,258 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:19" (1/1) ... [2023-12-03 01:49:19,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:19" (1/1) ... [2023-12-03 01:49:19,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:19" (1/1) ... [2023-12-03 01:49:19,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:19" (1/1) ... [2023-12-03 01:49:19,263 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:19" (1/1) ... [2023-12-03 01:49:19,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:19" (1/1) ... [2023-12-03 01:49:19,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:19" (1/1) ... [2023-12-03 01:49:19,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:19" (1/1) ... [2023-12-03 01:49:19,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:49:19,268 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:49:19,268 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:49:19,268 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:49:19,269 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:19" (1/1) ... [2023-12-03 01:49:19,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:49:19,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad99911d-32cc-4b8c-82b8-88469b4c43e2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:49:19,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad99911d-32cc-4b8c-82b8-88469b4c43e2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:49:19,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad99911d-32cc-4b8c-82b8-88469b4c43e2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:49:19,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:49:19,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:49:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:49:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:49:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:49:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:49:19,386 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:49:19,388 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:49:19,493 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:49:19,520 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:49:19,521 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:49:19,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:19 BoogieIcfgContainer [2023-12-03 01:49:19,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:49:19,524 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:49:19,524 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:49:19,532 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:49:19,532 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:19" (1/1) ... [2023-12-03 01:49:19,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:49:19,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:19,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2023-12-03 01:49:19,588 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2023-12-03 01:49:19,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 01:49:19,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:19,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:49:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:49:19,678 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:49:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:49:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:49:19,727 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:49:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:49:19,743 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:49:19,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:49:19 ImpRootNode [2023-12-03 01:49:19,765 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:49:19,766 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:49:19,766 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:49:19,766 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:49:19,767 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:19" (3/4) ... [2023-12-03 01:49:19,768 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-03 01:49:19,800 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad99911d-32cc-4b8c-82b8-88469b4c43e2/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 01:49:19,800 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:49:19,801 INFO L158 Benchmark]: Toolchain (without parser) took 748.76ms. Allocated memory is still 176.2MB. Free memory was 140.9MB in the beginning and 104.4MB in the end (delta: 36.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-03 01:49:19,801 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 176.2MB. Free memory is still 120.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:49:19,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 172.20ms. Allocated memory is still 176.2MB. Free memory was 140.9MB in the beginning and 131.1MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:49:19,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.84ms. Allocated memory is still 176.2MB. Free memory was 131.1MB in the beginning and 129.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:49:19,803 INFO L158 Benchmark]: Boogie Preprocessor took 15.40ms. Allocated memory is still 176.2MB. Free memory was 129.9MB in the beginning and 129.0MB in the end (delta: 847.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:49:19,804 INFO L158 Benchmark]: RCFGBuilder took 255.14ms. Allocated memory is still 176.2MB. Free memory was 128.5MB in the beginning and 118.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:49:19,804 INFO L158 Benchmark]: CodeCheck took 241.72ms. Allocated memory is still 176.2MB. Free memory was 118.0MB in the beginning and 106.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 01:49:19,805 INFO L158 Benchmark]: Witness Printer took 34.36ms. Allocated memory is still 176.2MB. Free memory was 106.0MB in the beginning and 104.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:49:19,808 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, 10 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: [L4] int *myPointerA = ((void*) 0); [L5] int *myPointerB = ((void*) 0); [L8] int myNumberA = 7; [L9] EXPR myPointerA = &myNumberA [L8] int myNumberA = 7; [L7-L11] { int myNumberA = 7; myPointerA = &myNumberA; // scope of myNumber ends here } [L13] int myNumberB = 3; [L14] myPointerB = &myNumberB VAL [myNumberB={21240:0}, myPointerA={21241:0}, myPointerB={21240:0}] [L16] \read(*myPointerA) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 176.2MB. Free memory is still 120.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 172.20ms. Allocated memory is still 176.2MB. Free memory was 140.9MB in the beginning and 131.1MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.84ms. Allocated memory is still 176.2MB. Free memory was 131.1MB in the beginning and 129.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.40ms. Allocated memory is still 176.2MB. Free memory was 129.9MB in the beginning and 129.0MB in the end (delta: 847.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 255.14ms. Allocated memory is still 176.2MB. Free memory was 128.5MB in the beginning and 118.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 241.72ms. Allocated memory is still 176.2MB. Free memory was 118.0MB in the beginning and 106.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 34.36ms. Allocated memory is still 176.2MB. Free memory was 106.0MB in the beginning and 104.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-12-03 01:49:19,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad99911d-32cc-4b8c-82b8-88469b4c43e2/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)