./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/chunk1-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/chunk1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6a66369f5c9a0270ee2408adc274f8f50150ff97d329dbc5d86329753dd9abac --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:59:36,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:59:36,726 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-11-08 22:59:36,732 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:59:36,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:59:36,788 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:59:36,790 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:59:36,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:59:36,793 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:59:36,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:59:36,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:59:36,795 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 22:59:36,796 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 22:59:36,797 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 22:59:36,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:59:36,801 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:59:36,801 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:59:36,802 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:59:36,802 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:59:36,803 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:59:36,803 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:59:36,804 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:59:36,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:59:36,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:59:36,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:59:36,806 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:59:36,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:59:36,807 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_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a66369f5c9a0270ee2408adc274f8f50150ff97d329dbc5d86329753dd9abac [2024-11-08 22:59:37,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:59:37,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:59:37,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:59:37,233 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:59:37,234 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:59:37,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-recursive-malloc/chunk1-2.i Unable to find full path for "g++" [2024-11-08 22:59:39,673 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:59:39,936 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:59:39,937 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/sv-benchmarks/c/termination-recursive-malloc/chunk1-2.i [2024-11-08 22:59:39,946 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/data/f1a8a8c0b/9e09a5d1d61f499c83c851de2b8d0624/FLAGb80c88143 [2024-11-08 22:59:40,279 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/data/f1a8a8c0b/9e09a5d1d61f499c83c851de2b8d0624 [2024-11-08 22:59:40,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:59:40,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:59:40,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:59:40,287 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:59:40,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:59:40,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:59:40" (1/1) ... [2024-11-08 22:59:40,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f8785a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:40, skipping insertion in model container [2024-11-08 22:59:40,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:59:40" (1/1) ... [2024-11-08 22:59:40,327 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:59:40,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:59:40,587 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:59:40,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:59:40,670 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:59:40,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:40 WrapperNode [2024-11-08 22:59:40,671 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:59:40,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:59:40,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:59:40,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:59:40,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:40" (1/1) ... [2024-11-08 22:59:40,742 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:40" (1/1) ... [2024-11-08 22:59:40,790 INFO L138 Inliner]: procedures = 11, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2024-11-08 22:59:40,791 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:59:40,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:59:40,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:59:40,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:59:40,806 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:40" (1/1) ... [2024-11-08 22:59:40,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:40" (1/1) ... [2024-11-08 22:59:40,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:40" (1/1) ... [2024-11-08 22:59:40,811 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:40" (1/1) ... [2024-11-08 22:59:40,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:40" (1/1) ... [2024-11-08 22:59:40,828 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:40" (1/1) ... [2024-11-08 22:59:40,830 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:40" (1/1) ... [2024-11-08 22:59:40,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:40" (1/1) ... [2024-11-08 22:59:40,833 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:59:40,835 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:59:40,835 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:59:40,835 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:59:40,837 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:40" (1/1) ... [2024-11-08 22:59:40,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:59:40,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:59:40,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:59:40,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:59:40,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:59:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 22:59:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure chunk [2024-11-08 22:59:40,939 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk [2024-11-08 22:59:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:59:40,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:59:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:59:41,057 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:59:41,061 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:59:41,382 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-08 22:59:41,384 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:59:41,446 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:59:41,446 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:59:41,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:59:41 BoogieIcfgContainer [2024-11-08 22:59:41,451 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:59:41,452 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:59:41,452 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:59:41,465 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:59:41,466 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:59:41" (1/1) ... [2024-11-08 22:59:41,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:59:41,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:41,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2024-11-08 22:59:41,541 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2024-11-08 22:59:41,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 22:59:41,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:41,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:59:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:59:41,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:59:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:59:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:59:41,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:59:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:59:41,769 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:59:41,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:59:41 ImpRootNode [2024-11-08 22:59:41,808 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:59:41,810 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:59:41,814 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:59:41,814 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:59:41,815 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:59:41" (3/4) ... [2024-11-08 22:59:41,820 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:59:41,822 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:59:41,824 INFO L158 Benchmark]: Toolchain (without parser) took 1539.04ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 76.5MB in the beginning and 104.8MB in the end (delta: -28.4MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2024-11-08 22:59:41,826 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:59:41,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.83ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 76.2MB in the beginning and 132.2MB in the end (delta: -56.0MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-11-08 22:59:41,829 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.23ms. Allocated memory is still 161.5MB. Free memory was 132.2MB in the beginning and 131.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:59:41,831 INFO L158 Benchmark]: Boogie Preprocessor took 41.32ms. Allocated memory is still 161.5MB. Free memory was 131.0MB in the beginning and 130.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:59:41,833 INFO L158 Benchmark]: RCFGBuilder took 616.22ms. Allocated memory is still 161.5MB. Free memory was 130.0MB in the beginning and 116.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:59:41,834 INFO L158 Benchmark]: CodeCheck took 357.00ms. Allocated memory is still 161.5MB. Free memory was 116.9MB in the beginning and 105.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:59:41,837 INFO L158 Benchmark]: Witness Printer took 12.34ms. Allocated memory is still 161.5MB. Free memory was 105.3MB in the beginning and 104.8MB in the end (delta: 517.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:59:41,843 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 2 procedures, 29 locations, 13 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, 3 NumberOfCodeBlocks, 3 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: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 19. Possible FailurePath: [L20] int *data = malloc(4*sizeof(int)); [L22] int i = __VERIFIER_nondet_int(); [L23] int upper = __VERIFIER_nondet_int(); [L25] COND TRUE i >= upper [L26] return 0; VAL [\result=0, data={-1:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.83ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 76.2MB in the beginning and 132.2MB in the end (delta: -56.0MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.23ms. Allocated memory is still 161.5MB. Free memory was 132.2MB in the beginning and 131.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.32ms. Allocated memory is still 161.5MB. Free memory was 131.0MB in the beginning and 130.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 616.22ms. Allocated memory is still 161.5MB. Free memory was 130.0MB in the beginning and 116.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 357.00ms. Allocated memory is still 161.5MB. Free memory was 116.9MB in the beginning and 105.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 12.34ms. Allocated memory is still 161.5MB. Free memory was 105.3MB in the beginning and 104.8MB in the end (delta: 517.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:59:41,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/chunk1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6a66369f5c9a0270ee2408adc274f8f50150ff97d329dbc5d86329753dd9abac --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:59:45,185 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:59:45,312 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf [2024-11-08 22:59:45,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:59:45,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:59:45,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:59:45,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:59:45,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:59:45,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:59:45,397 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 22:59:45,399 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 22:59:45,399 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 22:59:45,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:59:45,400 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:59:45,401 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:59:45,401 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:59:45,406 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:59:45,406 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:59:45,407 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:59:45,407 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:59:45,408 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:59:45,408 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:59:45,409 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:45,409 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:59:45,410 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:59:45,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:59:45,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:59:45,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:59:45,411 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:59:45,412 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:45,412 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:59:45,413 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_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a66369f5c9a0270ee2408adc274f8f50150ff97d329dbc5d86329753dd9abac [2024-11-08 22:59:45,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:59:45,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:59:45,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:59:45,944 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:59:45,945 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:59:45,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-recursive-malloc/chunk1-2.i Unable to find full path for "g++" [2024-11-08 22:59:48,532 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:59:48,824 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:59:48,825 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/sv-benchmarks/c/termination-recursive-malloc/chunk1-2.i [2024-11-08 22:59:48,833 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/data/ffbad91db/16a9cd70d05f4408944fceafb9239f78/FLAG48adacc4f [2024-11-08 22:59:48,853 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/data/ffbad91db/16a9cd70d05f4408944fceafb9239f78 [2024-11-08 22:59:48,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:59:48,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:59:48,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:59:48,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:59:48,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:59:48,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:59:48" (1/1) ... [2024-11-08 22:59:48,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b01b559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:48, skipping insertion in model container [2024-11-08 22:59:48,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:59:48" (1/1) ... [2024-11-08 22:59:48,893 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:59:49,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:59:49,228 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:59:49,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:59:49,284 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:59:49,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:49 WrapperNode [2024-11-08 22:59:49,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:59:49,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:59:49,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:59:49,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:59:49,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:49" (1/1) ... [2024-11-08 22:59:49,314 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:49" (1/1) ... [2024-11-08 22:59:49,340 INFO L138 Inliner]: procedures = 11, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-11-08 22:59:49,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:59:49,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:59:49,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:59:49,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:59:49,371 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:49" (1/1) ... [2024-11-08 22:59:49,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:49" (1/1) ... [2024-11-08 22:59:49,375 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:49" (1/1) ... [2024-11-08 22:59:49,378 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:49" (1/1) ... [2024-11-08 22:59:49,394 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:49" (1/1) ... [2024-11-08 22:59:49,397 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:49" (1/1) ... [2024-11-08 22:59:49,398 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:49" (1/1) ... [2024-11-08 22:59:49,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:49" (1/1) ... [2024-11-08 22:59:49,406 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:59:49,407 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:59:49,407 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:59:49,407 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:59:49,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:49" (1/1) ... [2024-11-08 22:59:49,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:59:49,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:59:49,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:59:49,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:59:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 22:59:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 22:59:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure chunk [2024-11-08 22:59:49,538 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk [2024-11-08 22:59:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:59:49,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:59:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 22:59:49,658 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:59:49,661 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:59:50,062 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-08 22:59:50,062 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:59:50,128 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:59:50,128 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:59:50,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:59:50 BoogieIcfgContainer [2024-11-08 22:59:50,129 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:59:50,130 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:59:50,130 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:59:50,144 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:59:50,144 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:59:50" (1/1) ... [2024-11-08 22:59:50,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:59:50,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:50,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2024-11-08 22:59:50,245 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2024-11-08 22:59:50,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 22:59:50,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:50,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:50,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:50,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:50,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:59:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:59:50,376 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:59:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:59:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:59:50,447 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:59:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:59:50,469 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:59:50,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:59:50,471 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:59:50,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:59:50 ImpRootNode [2024-11-08 22:59:50,512 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:59:50,513 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:59:50,515 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:59:50,515 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:59:50,517 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:59:50" (3/4) ... [2024-11-08 22:59:50,522 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:59:50,524 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:59:50,525 INFO L158 Benchmark]: Toolchain (without parser) took 1665.46ms. Allocated memory is still 75.5MB. Free memory was 52.7MB in the beginning and 50.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2024-11-08 22:59:50,526 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 52.4MB. Free memory was 29.1MB in the beginning and 29.1MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:59:50,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.70ms. Allocated memory is still 75.5MB. Free memory was 52.6MB in the beginning and 40.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:59:50,527 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.84ms. Allocated memory is still 75.5MB. Free memory was 40.3MB in the beginning and 39.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:59:50,530 INFO L158 Benchmark]: Boogie Preprocessor took 64.78ms. Allocated memory is still 75.5MB. Free memory was 39.0MB in the beginning and 55.4MB in the end (delta: -16.4MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-11-08 22:59:50,531 INFO L158 Benchmark]: RCFGBuilder took 722.57ms. Allocated memory is still 75.5MB. Free memory was 55.4MB in the beginning and 41.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:59:50,532 INFO L158 Benchmark]: CodeCheck took 382.50ms. Allocated memory is still 75.5MB. Free memory was 41.3MB in the beginning and 51.2MB in the end (delta: -10.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:59:50,533 INFO L158 Benchmark]: Witness Printer took 10.56ms. Allocated memory is still 75.5MB. Free memory was 51.2MB in the beginning and 50.9MB in the end (delta: 381.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:59:50,540 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 2 procedures, 29 locations, 13 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, 3 NumberOfCodeBlocks, 3 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: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 19. Possible FailurePath: [L20] int *data = malloc(4*sizeof(int)); [L22] int i = __VERIFIER_nondet_int(); [L23] int upper = __VERIFIER_nondet_int(); [L25] COND TRUE i >= upper [L26] return 0; VAL [\result=0, data={2:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 52.4MB. Free memory was 29.1MB in the beginning and 29.1MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.70ms. Allocated memory is still 75.5MB. Free memory was 52.6MB in the beginning and 40.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.84ms. Allocated memory is still 75.5MB. Free memory was 40.3MB in the beginning and 39.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.78ms. Allocated memory is still 75.5MB. Free memory was 39.0MB in the beginning and 55.4MB in the end (delta: -16.4MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * RCFGBuilder took 722.57ms. Allocated memory is still 75.5MB. Free memory was 55.4MB in the beginning and 41.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 382.50ms. Allocated memory is still 75.5MB. Free memory was 41.3MB in the beginning and 51.2MB in the end (delta: -10.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 10.56ms. Allocated memory is still 75.5MB. Free memory was 51.2MB in the beginning and 50.9MB in the end (delta: 381.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:59:50,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70af24b5-a6af-4efe-ab6a-ce18505ce087/bin/ukojak-verify-ImItNfHLgk/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 Result: UNKNOWN: Overapproximated counterexample