./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/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_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/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 32bit --witnessprinter.graph.data.programhash 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:53:55,078 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:53:55,217 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-08 23:53:55,227 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:53:55,232 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:53:55,279 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:53:55,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:53:55,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:53:55,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:53:55,285 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:53:55,285 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:53:55,285 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:53:55,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:53:55,286 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 23:53:55,289 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 23:53:55,289 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 23:53:55,290 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:53:55,290 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:53:55,290 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:53:55,290 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:53:55,291 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:53:55,296 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:53:55,296 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:53:55,296 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:53:55,297 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:53:55,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:53:55,297 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:53:55,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:53:55,298 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:53:55,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:53:55,298 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_bfdf0b8f-5f28-44ba-9e69-83128db794ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2024-11-08 23:53:55,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:53:55,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:53:55,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:53:55,674 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:53:55,675 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:53:55,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i Unable to find full path for "g++" [2024-11-08 23:53:57,662 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:53:57,979 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:53:57,980 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2024-11-08 23:53:58,001 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/data/6c79dd140/5c48e57004e9466ea54c1a588498bfa4/FLAGd7412f5e1 [2024-11-08 23:53:58,016 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/data/6c79dd140/5c48e57004e9466ea54c1a588498bfa4 [2024-11-08 23:53:58,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:53:58,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:53:58,021 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:53:58,022 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:53:58,029 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:53:58,030 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:53:58" (1/1) ... [2024-11-08 23:53:58,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a41db49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:58, skipping insertion in model container [2024-11-08 23:53:58,031 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:53:58" (1/1) ... [2024-11-08 23:53:58,080 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:53:58,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:53:58,610 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:53:58,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:53:58,774 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:53:58,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:58 WrapperNode [2024-11-08 23:53:58,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:53:58,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:53:58,776 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:53:58,776 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:53:58,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:58" (1/1) ... [2024-11-08 23:53:58,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:58" (1/1) ... [2024-11-08 23:53:58,839 INFO L138 Inliner]: procedures = 166, calls = 70, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 28 [2024-11-08 23:53:58,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:53:58,843 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:53:58,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:53:58,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:53:58,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:58" (1/1) ... [2024-11-08 23:53:58,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:58" (1/1) ... [2024-11-08 23:53:58,855 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:58" (1/1) ... [2024-11-08 23:53:58,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:58" (1/1) ... [2024-11-08 23:53:58,861 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:58" (1/1) ... [2024-11-08 23:53:58,865 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:58" (1/1) ... [2024-11-08 23:53:58,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:58" (1/1) ... [2024-11-08 23:53:58,869 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:58" (1/1) ... [2024-11-08 23:53:58,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:53:58,876 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:53:58,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:53:58,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:53:58,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:58" (1/1) ... [2024-11-08 23:53:58,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:53:58,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:53:58,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:53:58,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:53:58,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:53:58,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:53:58,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 23:53:58,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:53:58,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:53:59,127 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:53:59,130 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:53:59,219 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 23:53:59,219 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:53:59,290 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:53:59,291 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:53:59,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:53:59 BoogieIcfgContainer [2024-11-08 23:53:59,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:53:59,292 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:53:59,292 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:53:59,303 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:53:59,303 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:53:59" (1/1) ... [2024-11-08 23:53:59,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:53:59,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:59,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-08 23:53:59,359 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-08 23:53:59,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-08 23:53:59,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:59,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:53:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:53:59,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:53:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:53:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:53:59,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:53:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:53:59,605 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:53:59,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:53:59 ImpRootNode [2024-11-08 23:53:59,624 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:53:59,624 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:53:59,625 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:53:59,625 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:53:59,628 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:53:59" (3/4) ... [2024-11-08 23:53:59,630 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:53:59,632 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:53:59,632 INFO L158 Benchmark]: Toolchain (without parser) took 1612.20ms. Allocated memory is still 151.0MB. Free memory was 121.5MB in the beginning and 96.9MB in the end (delta: 24.6MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2024-11-08 23:53:59,633 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 119.5MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:53:59,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 753.77ms. Allocated memory is still 151.0MB. Free memory was 121.5MB in the beginning and 97.1MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 23:53:59,634 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.22ms. Allocated memory is still 151.0MB. Free memory was 96.4MB in the beginning and 95.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:53:59,636 INFO L158 Benchmark]: Boogie Preprocessor took 33.14ms. Allocated memory is still 151.0MB. Free memory was 95.0MB in the beginning and 93.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:53:59,638 INFO L158 Benchmark]: RCFGBuilder took 414.81ms. Allocated memory is still 151.0MB. Free memory was 93.5MB in the beginning and 110.3MB in the end (delta: -16.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 23:53:59,638 INFO L158 Benchmark]: CodeCheck took 331.88ms. Allocated memory is still 151.0MB. Free memory was 110.3MB in the beginning and 97.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:53:59,640 INFO L158 Benchmark]: Witness Printer took 7.24ms. Allocated memory is still 151.0MB. Free memory was 97.7MB in the beginning and 96.9MB in the end (delta: 836.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:53:59,645 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: 768]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 768. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a8; [L769] CALL entry_point() [L765] CALL alloc_8() [L759] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L765] RET alloc_8() [L766] a8 = 0 [L769] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 119.5MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 753.77ms. Allocated memory is still 151.0MB. Free memory was 121.5MB in the beginning and 97.1MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.22ms. Allocated memory is still 151.0MB. Free memory was 96.4MB in the beginning and 95.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.14ms. Allocated memory is still 151.0MB. Free memory was 95.0MB in the beginning and 93.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 414.81ms. Allocated memory is still 151.0MB. Free memory was 93.5MB in the beginning and 110.3MB in the end (delta: -16.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 331.88ms. Allocated memory is still 151.0MB. Free memory was 110.3MB in the beginning and 97.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 7.24ms. Allocated memory is still 151.0MB. Free memory was 97.7MB in the beginning and 96.9MB in the end (delta: 836.8kB). 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 23:53:59,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/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_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/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_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/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 32bit --witnessprinter.graph.data.programhash 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:54:02,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:54:02,338 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-08 23:54:02,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:54:02,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:54:02,401 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:54:02,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:54:02,402 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:54:02,403 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:54:02,405 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:54:02,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:54:02,406 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 23:54:02,406 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 23:54:02,406 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 23:54:02,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:54:02,407 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:54:02,408 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:54:02,413 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:54:02,414 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:54:02,414 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:54:02,414 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:54:02,415 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:54:02,415 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:54:02,416 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:54:02,416 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:54:02,416 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:02,417 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:54:02,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:54:02,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:54:02,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:54:02,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:54:02,418 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:54:02,420 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:02,421 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:54:02,421 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_bfdf0b8f-5f28-44ba-9e69-83128db794ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2024-11-08 23:54:02,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:54:02,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:54:02,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:54:02,863 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:54:02,864 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:54:02,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i Unable to find full path for "g++" [2024-11-08 23:54:04,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:54:05,215 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:54:05,216 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2024-11-08 23:54:05,233 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/data/a44872c4a/68fe23b368304db3b45e639b3ba39a62/FLAG8cab9c8db [2024-11-08 23:54:05,251 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/data/a44872c4a/68fe23b368304db3b45e639b3ba39a62 [2024-11-08 23:54:05,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:54:05,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:54:05,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:54:05,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:54:05,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:54:05,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:54:05" (1/1) ... [2024-11-08 23:54:05,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad2bfd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:05, skipping insertion in model container [2024-11-08 23:54:05,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:54:05" (1/1) ... [2024-11-08 23:54:05,313 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:54:05,754 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 23:54:05,840 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 23:54:05,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:54:05,878 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-08 23:54:05,899 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:54:05,946 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 23:54:05,984 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 23:54:05,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:54:05,996 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:54:06,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:54:06,105 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:54:06,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:06 WrapperNode [2024-11-08 23:54:06,105 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:54:06,107 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:54:06,107 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:54:06,107 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:54:06,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:06" (1/1) ... [2024-11-08 23:54:06,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:06" (1/1) ... [2024-11-08 23:54:06,157 INFO L138 Inliner]: procedures = 167, calls = 70, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 28 [2024-11-08 23:54:06,157 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:54:06,158 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:54:06,158 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:54:06,158 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:54:06,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:06" (1/1) ... [2024-11-08 23:54:06,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:06" (1/1) ... [2024-11-08 23:54:06,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:06" (1/1) ... [2024-11-08 23:54:06,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:06" (1/1) ... [2024-11-08 23:54:06,178 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:06" (1/1) ... [2024-11-08 23:54:06,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:06" (1/1) ... [2024-11-08 23:54:06,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:06" (1/1) ... [2024-11-08 23:54:06,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:06" (1/1) ... [2024-11-08 23:54:06,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:54:06,187 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:54:06,187 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:54:06,187 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:54:06,188 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:06" (1/1) ... [2024-11-08 23:54:06,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:54:06,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:54:06,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:54:06,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:54:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:54:06,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:54:06,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 23:54:06,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:54:06,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:54:06,444 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:54:06,447 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:54:06,577 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 23:54:06,577 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:54:06,683 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:54:06,684 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:54:06,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:54:06 BoogieIcfgContainer [2024-11-08 23:54:06,684 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:54:06,688 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:54:06,688 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:54:06,700 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:54:06,700 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:54:06" (1/1) ... [2024-11-08 23:54:06,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:54:06,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:06,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-08 23:54:06,777 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-08 23:54:06,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-08 23:54:06,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:06,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:06,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:06,784 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:06,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:54:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:54:06,909 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:54:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:54:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:54:07,000 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:54:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:54:07,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:54:07,050 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:54:07,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:54:07 ImpRootNode [2024-11-08 23:54:07,074 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:54:07,075 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:54:07,075 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:54:07,075 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:54:07,076 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:54:06" (3/4) ... [2024-11-08 23:54:07,079 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:54:07,080 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:54:07,081 INFO L158 Benchmark]: Toolchain (without parser) took 1826.65ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 47.1MB in the beginning and 47.9MB in the end (delta: -847.4kB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2024-11-08 23:54:07,082 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 73.4MB. Free memory was 49.0MB in the beginning and 49.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:54:07,083 INFO L158 Benchmark]: CACSL2BoogieTranslator took 849.97ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 46.9MB in the beginning and 54.4MB in the end (delta: -7.5MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2024-11-08 23:54:07,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.77ms. Allocated memory is still 96.5MB. Free memory was 54.4MB in the beginning and 52.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:54:07,084 INFO L158 Benchmark]: Boogie Preprocessor took 28.12ms. Allocated memory is still 96.5MB. Free memory was 52.3MB in the beginning and 50.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:54:07,085 INFO L158 Benchmark]: RCFGBuilder took 500.63ms. Allocated memory is still 96.5MB. Free memory was 50.9MB in the beginning and 59.7MB in the end (delta: -8.8MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-11-08 23:54:07,086 INFO L158 Benchmark]: CodeCheck took 385.99ms. Allocated memory is still 96.5MB. Free memory was 59.7MB in the beginning and 48.4MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:54:07,086 INFO L158 Benchmark]: Witness Printer took 5.13ms. Allocated memory is still 96.5MB. Free memory was 48.4MB in the beginning and 47.9MB in the end (delta: 418.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:54:07,091 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: 768]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 768. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a8; [L769] CALL entry_point() [L765] CALL alloc_8() [L759] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L765] RET alloc_8() [L766] a8 = 0 [L769] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 73.4MB. Free memory was 49.0MB in the beginning and 49.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 849.97ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 46.9MB in the beginning and 54.4MB in the end (delta: -7.5MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.77ms. Allocated memory is still 96.5MB. Free memory was 54.4MB in the beginning and 52.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.12ms. Allocated memory is still 96.5MB. Free memory was 52.3MB in the beginning and 50.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 500.63ms. Allocated memory is still 96.5MB. Free memory was 50.9MB in the beginning and 59.7MB in the end (delta: -8.8MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * CodeCheck took 385.99ms. Allocated memory is still 96.5MB. Free memory was 59.7MB in the beginning and 48.4MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 5.13ms. Allocated memory is still 96.5MB. Free memory was 48.4MB in the beginning and 47.9MB in the end (delta: 418.2kB). 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 23:54:07,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfdf0b8f-5f28-44ba-9e69-83128db794ba/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample