./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i --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_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/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_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/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_0cac9bc3-898c-4f9c-b44d-94eb121b5214/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 d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:31:12,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:31:12,605 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 20:31:12,611 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:31:12,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:31:12,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:31:12,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:31:12,642 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:31:12,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:31:12,643 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:31:12,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:31:12,643 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:31:12,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:31:12,643 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 20:31:12,643 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 20:31:12,643 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 20:31:12,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:31:12,646 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:31:12,646 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:31:12,646 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:31:12,648 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:31:12,648 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:31:12,648 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:31:12,648 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:31:12,649 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:31:12,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:31:12,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:31:12,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:31:12,649 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:31:12,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:31:12,649 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_0cac9bc3-898c-4f9c-b44d-94eb121b5214/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 -> d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 [2024-11-13 20:31:13,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:31:13,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:31:13,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:31:13,078 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:31:13,079 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:31:13,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i Unable to find full path for "g++" [2024-11-13 20:31:15,311 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:31:15,753 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:31:15,754 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2024-11-13 20:31:15,783 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/data/80de078cd/bd894a42c34140ed824d80c537ad3a3c/FLAGf3f90ffe4 [2024-11-13 20:31:15,807 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/data/80de078cd/bd894a42c34140ed824d80c537ad3a3c [2024-11-13 20:31:15,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:31:15,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:31:15,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:31:15,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:31:15,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:31:15,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:31:15" (1/1) ... [2024-11-13 20:31:15,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@671051d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:15, skipping insertion in model container [2024-11-13 20:31:15,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:31:15" (1/1) ... [2024-11-13 20:31:15,889 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:31:16,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:31:16,473 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:31:16,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:31:16,625 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:31:16,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:16 WrapperNode [2024-11-13 20:31:16,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:31:16,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:31:16,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:31:16,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:31:16,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:16" (1/1) ... [2024-11-13 20:31:16,664 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:16" (1/1) ... [2024-11-13 20:31:16,685 INFO L138 Inliner]: procedures = 164, calls = 68, calls flagged for inlining = 29, calls inlined = 4, statements flattened = 25 [2024-11-13 20:31:16,686 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:31:16,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:31:16,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:31:16,687 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:31:16,699 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:16" (1/1) ... [2024-11-13 20:31:16,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:16" (1/1) ... [2024-11-13 20:31:16,702 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:16" (1/1) ... [2024-11-13 20:31:16,702 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:16" (1/1) ... [2024-11-13 20:31:16,708 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:16" (1/1) ... [2024-11-13 20:31:16,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:16" (1/1) ... [2024-11-13 20:31:16,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:16" (1/1) ... [2024-11-13 20:31:16,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:16" (1/1) ... [2024-11-13 20:31:16,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:31:16,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:31:16,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:31:16,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:31:16,726 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:16" (1/1) ... [2024-11-13 20:31:16,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:31:16,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:31:16,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:31:16,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:31:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 20:31:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:31:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 20:31:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:31:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:31:16,958 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:31:16,961 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:31:17,063 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 20:31:17,063 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:31:17,147 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:31:17,147 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:31:17,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:17 BoogieIcfgContainer [2024-11-13 20:31:17,148 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:31:17,149 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:31:17,149 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:31:17,161 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:31:17,161 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:17" (1/1) ... [2024-11-13 20:31:17,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:31:17,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:17,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-13 20:31:17,247 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-13 20:31:17,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 20:31:17,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:17,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:17,389 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:31:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:17,454 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:31:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:17,477 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:31:17,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:31:17 ImpRootNode [2024-11-13 20:31:17,502 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:31:17,503 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:31:17,503 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:31:17,504 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:31:17,504 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:17" (3/4) ... [2024-11-13 20:31:17,507 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:31:17,509 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:31:17,510 INFO L158 Benchmark]: Toolchain (without parser) took 1697.78ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 69.4MB in the end (delta: 48.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 20:31:17,510 INFO L158 Benchmark]: CDTParser took 1.16ms. Allocated memory is still 142.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:17,511 INFO L158 Benchmark]: CACSL2BoogieTranslator took 811.95ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 96.2MB in the end (delta: 21.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:31:17,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.35ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 94.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:31:17,512 INFO L158 Benchmark]: Boogie Preprocessor took 37.34ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 93.6MB in the end (delta: 545.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:17,513 INFO L158 Benchmark]: RCFGBuilder took 423.47ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 80.8MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:31:17,514 INFO L158 Benchmark]: CodeCheck took 353.54ms. Allocated memory is still 142.6MB. Free memory was 80.8MB in the beginning and 69.6MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:31:17,514 INFO L158 Benchmark]: Witness Printer took 5.75ms. Allocated memory is still 142.6MB. Free memory was 69.6MB in the beginning and 69.4MB in the end (delta: 258.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:17,517 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, 4 locations, 1 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 - UnprovableResult [Line: 760]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 760. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] CALL entry_point() [L758] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L761] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16ms. Allocated memory is still 142.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 811.95ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 96.2MB in the end (delta: 21.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.35ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 94.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.34ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 93.6MB in the end (delta: 545.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 423.47ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 80.8MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 353.54ms. Allocated memory is still 142.6MB. Free memory was 80.8MB in the beginning and 69.6MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.75ms. Allocated memory is still 142.6MB. Free memory was 69.6MB in the beginning and 69.4MB in the end (delta: 258.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:31:17,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/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_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/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 d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:31:20,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:31:20,891 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-13 20:31:20,950 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:31:20,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:31:20,953 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:31:20,954 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:31:20,954 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:31:20,954 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:31:20,954 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:31:20,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:31:20,954 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 20:31:20,954 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 20:31:20,954 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 20:31:20,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:31:20,955 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:31:20,955 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:31:20,955 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:31:20,955 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:31:20,955 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:31:20,955 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:31:20,955 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:31:20,958 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:31:20,958 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:31:20,958 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:31:20,959 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:20,959 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:31:20,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:31:20,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:31:20,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:31:20,960 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:31:20,960 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:31:20,960 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:20,960 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:31:20,960 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_0cac9bc3-898c-4f9c-b44d-94eb121b5214/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 -> d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 [2024-11-13 20:31:21,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:31:21,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:31:21,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:31:21,341 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:31:21,342 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:31:21,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i Unable to find full path for "g++" [2024-11-13 20:31:23,731 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:31:24,164 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:31:24,165 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2024-11-13 20:31:24,195 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/data/8512f5e72/bfd3e0e2416d4a578bd0f06c5a317905/FLAGb057a6942 [2024-11-13 20:31:24,229 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/data/8512f5e72/bfd3e0e2416d4a578bd0f06c5a317905 [2024-11-13 20:31:24,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:31:24,236 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:31:24,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:31:24,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:31:24,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:31:24,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:31:24" (1/1) ... [2024-11-13 20:31:24,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38ef5ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:24, skipping insertion in model container [2024-11-13 20:31:24,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:31:24" (1/1) ... [2024-11-13 20:31:24,308 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:31:24,786 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 20:31:24,852 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 20:31:24,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:31:24,884 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-13 20:31:24,903 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:31:24,954 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 20:31:24,997 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 20:31:24,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:31:25,015 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:31:25,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:31:25,146 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:31:25,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:25 WrapperNode [2024-11-13 20:31:25,146 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:31:25,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:31:25,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:31:25,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:31:25,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:25" (1/1) ... [2024-11-13 20:31:25,179 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:25" (1/1) ... [2024-11-13 20:31:25,200 INFO L138 Inliner]: procedures = 165, calls = 68, calls flagged for inlining = 29, calls inlined = 4, statements flattened = 25 [2024-11-13 20:31:25,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:31:25,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:31:25,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:31:25,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:31:25,214 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:25" (1/1) ... [2024-11-13 20:31:25,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:25" (1/1) ... [2024-11-13 20:31:25,219 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:25" (1/1) ... [2024-11-13 20:31:25,219 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:25" (1/1) ... [2024-11-13 20:31:25,229 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:25" (1/1) ... [2024-11-13 20:31:25,231 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:25" (1/1) ... [2024-11-13 20:31:25,233 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:25" (1/1) ... [2024-11-13 20:31:25,234 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:25" (1/1) ... [2024-11-13 20:31:25,236 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:31:25,238 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:31:25,238 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:31:25,238 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:31:25,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:25" (1/1) ... [2024-11-13 20:31:25,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:31:25,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:31:25,286 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:31:25,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:31:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 20:31:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:31:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 20:31:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:31:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:31:25,494 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:31:25,496 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:31:25,627 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 20:31:25,631 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:31:25,728 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:31:25,729 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:31:25,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:25 BoogieIcfgContainer [2024-11-13 20:31:25,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:31:25,730 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:31:25,731 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:31:25,750 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:31:25,750 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:25" (1/1) ... [2024-11-13 20:31:25,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:31:25,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:25,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-13 20:31:25,837 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-13 20:31:25,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 20:31:25,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:25,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:25,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:25,845 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:25,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:31:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:26,023 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:31:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:26,133 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:31:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:31:26,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:31:26,171 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:31:26,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:31:26 ImpRootNode [2024-11-13 20:31:26,200 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:31:26,201 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:31:26,201 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:31:26,201 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:31:26,202 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:25" (3/4) ... [2024-11-13 20:31:26,204 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:31:26,205 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:31:26,206 INFO L158 Benchmark]: Toolchain (without parser) took 1970.17ms. Allocated memory is still 83.9MB. Free memory was 58.8MB in the beginning and 43.5MB in the end (delta: 15.3MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-11-13 20:31:26,210 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:26,210 INFO L158 Benchmark]: CACSL2BoogieTranslator took 908.22ms. Allocated memory is still 83.9MB. Free memory was 58.8MB in the beginning and 31.5MB in the end (delta: 27.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:31:26,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.33ms. Allocated memory is still 83.9MB. Free memory was 31.5MB in the beginning and 29.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:31:26,211 INFO L158 Benchmark]: Boogie Preprocessor took 35.24ms. Allocated memory is still 83.9MB. Free memory was 29.7MB in the beginning and 28.8MB in the end (delta: 896.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:26,212 INFO L158 Benchmark]: RCFGBuilder took 492.01ms. Allocated memory is still 83.9MB. Free memory was 28.8MB in the beginning and 53.4MB in the end (delta: -24.6MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-11-13 20:31:26,212 INFO L158 Benchmark]: CodeCheck took 469.83ms. Allocated memory is still 83.9MB. Free memory was 53.4MB in the beginning and 43.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:31:26,213 INFO L158 Benchmark]: Witness Printer took 4.69ms. Allocated memory is still 83.9MB. Free memory was 43.7MB in the beginning and 43.5MB in the end (delta: 205.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:26,218 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, 4 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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 - UnprovableResult [Line: 760]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 760. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] CALL entry_point() [L758] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L761] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 908.22ms. Allocated memory is still 83.9MB. Free memory was 58.8MB in the beginning and 31.5MB in the end (delta: 27.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.33ms. Allocated memory is still 83.9MB. Free memory was 31.5MB in the beginning and 29.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.24ms. Allocated memory is still 83.9MB. Free memory was 29.7MB in the beginning and 28.8MB in the end (delta: 896.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 492.01ms. Allocated memory is still 83.9MB. Free memory was 28.8MB in the beginning and 53.4MB in the end (delta: -24.6MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * CodeCheck took 469.83ms. Allocated memory is still 83.9MB. Free memory was 53.4MB in the beginning and 43.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.69ms. Allocated memory is still 83.9MB. Free memory was 43.7MB in the beginning and 43.5MB in the end (delta: 205.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:31:26,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cac9bc3-898c-4f9c-b44d-94eb121b5214/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 Result: UNKNOWN: Overapproximated counterexample