./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/scopes5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6772ed38-320e-4624-8357-67ae7dbece1d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6772ed38-320e-4624-8357-67ae7dbece1d/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6772ed38-320e-4624-8357-67ae7dbece1d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6772ed38-320e-4624-8357-67ae7dbece1d/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/scopes5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6772ed38-320e-4624-8357-67ae7dbece1d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6772ed38-320e-4624-8357-67ae7dbece1d/bin/ukojak-verify-EEHR8qb7sm --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 e5aa7fc476b23cf3c590ec0e83134b87eb137366becc080b05d62a7d4a14bb8b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:12:50,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:12:50,975 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6772ed38-320e-4624-8357-67ae7dbece1d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 22:12:50,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:12:50,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:12:51,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:12:51,011 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:12:51,011 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:12:51,012 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:12:51,012 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:12:51,012 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:12:51,012 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:12:51,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:12:51,013 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 22:12:51,013 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 22:12:51,013 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 22:12:51,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:12:51,013 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:12:51,014 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:12:51,014 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:12:51,014 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:12:51,014 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:12:51,014 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:12:51,015 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:12:51,015 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:12:51,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:12:51,015 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:12:51,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:12:51,015 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:12:51,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:12:51,016 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6772ed38-320e-4624-8357-67ae7dbece1d/bin/ukojak-verify-EEHR8qb7sm 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 -> e5aa7fc476b23cf3c590ec0e83134b87eb137366becc080b05d62a7d4a14bb8b [2024-11-13 22:12:51,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:12:51,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:12:51,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:12:51,459 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:12:51,459 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:12:51,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6772ed38-320e-4624-8357-67ae7dbece1d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/memsafety-ext3/scopes5.c Unable to find full path for "g++" [2024-11-13 22:12:53,696 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:12:54,039 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:12:54,041 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6772ed38-320e-4624-8357-67ae7dbece1d/sv-benchmarks/c/memsafety-ext3/scopes5.c [2024-11-13 22:12:54,053 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6772ed38-320e-4624-8357-67ae7dbece1d/bin/ukojak-verify-EEHR8qb7sm/data/5e938c2d6/bfee453a8c1441429778c890be8ed903/FLAGeef4d1d23 [2024-11-13 22:12:54,085 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6772ed38-320e-4624-8357-67ae7dbece1d/bin/ukojak-verify-EEHR8qb7sm/data/5e938c2d6/bfee453a8c1441429778c890be8ed903 [2024-11-13 22:12:54,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:12:54,092 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:12:54,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:12:54,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:12:54,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:12:54,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:12:54" (1/1) ... [2024-11-13 22:12:54,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e60157e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:54, skipping insertion in model container [2024-11-13 22:12:54,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:12:54" (1/1) ... [2024-11-13 22:12:54,132 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:12:54,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:12:54,346 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:12:54,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:12:54,382 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:12:54,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:54 WrapperNode [2024-11-13 22:12:54,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:12:54,385 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:12:54,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:12:54,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:12:54,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:54" (1/1) ... [2024-11-13 22:12:54,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:54" (1/1) ... [2024-11-13 22:12:54,421 INFO L138 Inliner]: procedures = 7, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12 [2024-11-13 22:12:54,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:12:54,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:12:54,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:12:54,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:12:54,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:54" (1/1) ... [2024-11-13 22:12:54,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:54" (1/1) ... [2024-11-13 22:12:54,433 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:54" (1/1) ... [2024-11-13 22:12:54,434 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:54" (1/1) ... [2024-11-13 22:12:54,438 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:54" (1/1) ... [2024-11-13 22:12:54,443 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:54" (1/1) ... [2024-11-13 22:12:54,445 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:54" (1/1) ... [2024-11-13 22:12:54,446 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:54" (1/1) ... [2024-11-13 22:12:54,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:12:54,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:12:54,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:12:54,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:12:54,451 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:54" (1/1) ... [2024-11-13 22:12:54,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:12:54,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6772ed38-320e-4624-8357-67ae7dbece1d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:12:54,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6772ed38-320e-4624-8357-67ae7dbece1d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:12:54,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6772ed38-320e-4624-8357-67ae7dbece1d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:12:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:12:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:12:54,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:12:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:12:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:12:54,612 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:12:54,614 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:12:54,751 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 22:12:54,752 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:12:54,794 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:12:54,794 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:12:54,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:12:54 BoogieIcfgContainer [2024-11-13 22:12:54,795 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:12:54,796 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:12:54,796 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:12:54,808 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:12:54,808 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:12:54" (1/1) ... [2024-11-13 22:12:54,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:12:54,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:54,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2024-11-13 22:12:54,897 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2024-11-13 22:12:54,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 22:12:54,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:54,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:12:55,029 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:12:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:12:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:12:55,090 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:12:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:12:55,109 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:12:55,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:12:55 ImpRootNode [2024-11-13 22:12:55,125 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:12:55,126 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:12:55,126 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:12:55,126 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:12:55,127 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:12:54" (3/4) ... [2024-11-13 22:12:55,128 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 22:12:55,163 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6772ed38-320e-4624-8357-67ae7dbece1d/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:12:55,163 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:12:55,164 INFO L158 Benchmark]: Toolchain (without parser) took 1072.49ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 85.7MB in the end (delta: 33.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:12:55,165 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:12:55,165 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.39ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 109.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:12:55,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.03ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 108.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:12:55,166 INFO L158 Benchmark]: Boogie Preprocessor took 24.72ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.5MB in the end (delta: 693.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:12:55,167 INFO L158 Benchmark]: RCFGBuilder took 347.43ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 97.1MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:12:55,167 INFO L158 Benchmark]: CodeCheck took 329.16ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 87.1MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:12:55,168 INFO L158 Benchmark]: Witness Printer took 37.18ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 85.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:12:55,171 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, 7 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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: [L2] int* p; [L4] int a[10]; [L5] p = a [L7] p[0] = 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.39ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 109.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.03ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 108.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.72ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.5MB in the end (delta: 693.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 347.43ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 97.1MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 329.16ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 87.1MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 37.18ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 85.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 22:12:55,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6772ed38-320e-4624-8357-67ae7dbece1d/bin/ukojak-verify-EEHR8qb7sm/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)