./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:30:58,129 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:30:58,193 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-03 00:30:58,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:30:58,198 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:30:58,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:30:58,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:30:58,220 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:30:58,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:30:58,222 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:30:58,222 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:30:58,223 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:30:58,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:30:58,224 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 00:30:58,224 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 00:30:58,225 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 00:30:58,225 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:30:58,226 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:30:58,226 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:30:58,227 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:30:58,227 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:30:58,228 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:30:58,228 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:30:58,229 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:30:58,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:30:58,230 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:30:58,230 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:30:58,230 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:30:58,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:30:58,231 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_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 [2023-12-03 00:30:58,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:30:58,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:30:58,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:30:58,456 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:30:58,457 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:30:58,458 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2023-12-03 00:31:01,214 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:31:01,441 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:31:01,441 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2023-12-03 00:31:01,458 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/data/16eae891a/ac4ab3f3cd214ae98e0ad5caf05194f1/FLAG9af43c439 [2023-12-03 00:31:01,473 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/data/16eae891a/ac4ab3f3cd214ae98e0ad5caf05194f1 [2023-12-03 00:31:01,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:31:01,476 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:31:01,477 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:31:01,478 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:31:01,481 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:31:01,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:31:01" (1/1) ... [2023-12-03 00:31:01,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5082bcce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:01, skipping insertion in model container [2023-12-03 00:31:01,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:31:01" (1/1) ... [2023-12-03 00:31:01,536 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:31:01,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:31:01,926 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:31:01,981 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:31:02,019 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:31:02,027 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:31:02,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:02 WrapperNode [2023-12-03 00:31:02,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:31:02,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:31:02,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:31:02,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:31:02,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:02" (1/1) ... [2023-12-03 00:31:02,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:02" (1/1) ... [2023-12-03 00:31:02,081 INFO L138 Inliner]: procedures = 165, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 34 [2023-12-03 00:31:02,082 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:31:02,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:31:02,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:31:02,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:31:02,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:02" (1/1) ... [2023-12-03 00:31:02,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:02" (1/1) ... [2023-12-03 00:31:02,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:02" (1/1) ... [2023-12-03 00:31:02,097 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:02" (1/1) ... [2023-12-03 00:31:02,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:02" (1/1) ... [2023-12-03 00:31:02,103 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:02" (1/1) ... [2023-12-03 00:31:02,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:02" (1/1) ... [2023-12-03 00:31:02,105 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:02" (1/1) ... [2023-12-03 00:31:02,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:31:02,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:31:02,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:31:02,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:31:02,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:02" (1/1) ... [2023-12-03 00:31:02,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:31:02,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:31:02,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:31:02,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:31:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:31:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:31:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 00:31:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:31:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:31:02,291 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:31:02,293 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:31:02,367 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:31:02,439 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:31:02,440 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:31:02,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:31:02 BoogieIcfgContainer [2023-12-03 00:31:02,442 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:31:02,443 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:31:02,443 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:31:02,451 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:31:02,451 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:31:02" (1/1) ... [2023-12-03 00:31:02,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:31:02,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:02,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-12-03 00:31:02,504 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-12-03 00:31:02,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 00:31:02,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:02,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:31:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:31:02,625 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:31:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:31:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:31:02,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:31:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:31:02,705 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:31:02,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:31:02 ImpRootNode [2023-12-03 00:31:02,722 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:31:02,723 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:31:02,723 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:31:02,724 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:31:02,724 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:31:02" (3/4) ... [2023-12-03 00:31:02,726 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:31:02,727 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:31:02,728 INFO L158 Benchmark]: Toolchain (without parser) took 1251.92ms. Allocated memory is still 176.2MB. Free memory was 131.2MB in the beginning and 138.5MB in the end (delta: -7.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:31:02,729 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 94.4MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:31:02,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 550.72ms. Allocated memory is still 176.2MB. Free memory was 131.2MB in the beginning and 109.1MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 00:31:02,730 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.97ms. Allocated memory is still 176.2MB. Free memory was 109.1MB in the beginning and 107.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:31:02,731 INFO L158 Benchmark]: Boogie Preprocessor took 25.22ms. Allocated memory is still 176.2MB. Free memory was 107.0MB in the beginning and 106.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:31:02,732 INFO L158 Benchmark]: RCFGBuilder took 333.41ms. Allocated memory is still 176.2MB. Free memory was 106.0MB in the beginning and 90.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:31:02,732 INFO L158 Benchmark]: CodeCheck took 279.81ms. Allocated memory is still 176.2MB. Free memory was 90.9MB in the beginning and 139.1MB in the end (delta: -48.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:31:02,733 INFO L158 Benchmark]: Witness Printer took 4.41ms. Allocated memory is still 176.2MB. Free memory was 139.1MB in the beginning and 138.5MB in the end (delta: 653.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:31:02,736 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: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 769]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 769. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; [L770] CALL entry_point() [L766] CALL probe_9() [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] a9 = (int *)ldv_malloc(sizeof(int)) [L760] COND TRUE \read(*a9) [L761] return 0; [L766] RET probe_9() [L767] a9 = 0 [L770] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 94.4MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 550.72ms. Allocated memory is still 176.2MB. Free memory was 131.2MB in the beginning and 109.1MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.97ms. Allocated memory is still 176.2MB. Free memory was 109.1MB in the beginning and 107.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.22ms. Allocated memory is still 176.2MB. Free memory was 107.0MB in the beginning and 106.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 333.41ms. Allocated memory is still 176.2MB. Free memory was 106.0MB in the beginning and 90.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 279.81ms. Allocated memory is still 176.2MB. Free memory was 90.9MB in the beginning and 139.1MB in the end (delta: -48.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.41ms. Allocated memory is still 176.2MB. Free memory was 139.1MB in the beginning and 138.5MB in the end (delta: 653.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:31:02,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/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_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:31:04,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:31:04,835 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-12-03 00:31:04,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:31:04,871 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:31:04,871 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:31:04,872 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:31:04,873 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:31:04,873 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:31:04,874 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:31:04,874 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:31:04,875 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 00:31:04,875 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 00:31:04,876 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 00:31:04,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:31:04,877 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:31:04,878 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:31:04,878 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:31:04,879 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:31:04,879 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:31:04,880 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:31:04,881 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:31:04,881 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:31:04,882 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:31:04,882 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:04,883 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:31:04,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:31:04,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:31:04,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:31:04,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:31:04,885 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:31:04,885 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:04,886 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:31:04,886 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:31:04,886 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 [2023-12-03 00:31:05,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:31:05,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:31:05,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:31:05,238 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:31:05,239 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:31:05,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2023-12-03 00:31:08,112 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:31:08,367 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:31:08,367 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2023-12-03 00:31:08,383 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/data/03d2f5c77/bbbcead128964ed9b1c4c9ace2d8761d/FLAGf256ca6a7 [2023-12-03 00:31:08,397 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/data/03d2f5c77/bbbcead128964ed9b1c4c9ace2d8761d [2023-12-03 00:31:08,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:31:08,401 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:31:08,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:31:08,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:31:08,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:31:08,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:31:08" (1/1) ... [2023-12-03 00:31:08,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2353886b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:08, skipping insertion in model container [2023-12-03 00:31:08,409 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:31:08" (1/1) ... [2023-12-03 00:31:08,462 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:31:08,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:31:08,791 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 00:31:08,799 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:31:08,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:31:08,906 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:31:08,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:31:08,990 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:31:08,996 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:31:08,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:08 WrapperNode [2023-12-03 00:31:08,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:31:08,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:31:08,998 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:31:08,998 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:31:09,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:08" (1/1) ... [2023-12-03 00:31:09,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:08" (1/1) ... [2023-12-03 00:31:09,046 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 33 [2023-12-03 00:31:09,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:31:09,047 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:31:09,047 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:31:09,047 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:31:09,055 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:08" (1/1) ... [2023-12-03 00:31:09,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:08" (1/1) ... [2023-12-03 00:31:09,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:08" (1/1) ... [2023-12-03 00:31:09,058 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:08" (1/1) ... [2023-12-03 00:31:09,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:08" (1/1) ... [2023-12-03 00:31:09,065 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:08" (1/1) ... [2023-12-03 00:31:09,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:08" (1/1) ... [2023-12-03 00:31:09,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:08" (1/1) ... [2023-12-03 00:31:09,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:31:09,072 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:31:09,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:31:09,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:31:09,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:08" (1/1) ... [2023-12-03 00:31:09,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:31:09,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:31:09,111 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:31:09,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:31:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:31:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:31:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 00:31:09,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:31:09,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:31:09,283 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:31:09,286 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:31:09,380 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:31:09,469 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:31:09,469 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:31:09,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:31:09 BoogieIcfgContainer [2023-12-03 00:31:09,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:31:09,472 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:31:09,472 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:31:09,482 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:31:09,483 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:31:09" (1/1) ... [2023-12-03 00:31:09,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:31:09,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:09,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-12-03 00:31:09,546 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-12-03 00:31:09,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 00:31:09,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:09,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:09,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:31:09,552 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:31:09,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:31:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:31:09,673 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:31:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:31:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:31:09,748 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:31:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:31:09,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:31:09,776 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:31:09,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:31:09 ImpRootNode [2023-12-03 00:31:09,800 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:31:09,802 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:31:09,803 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:31:09,803 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:31:09,803 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:31:09" (3/4) ... [2023-12-03 00:31:09,806 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:31:09,807 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:31:09,808 INFO L158 Benchmark]: Toolchain (without parser) took 1406.11ms. Allocated memory is still 83.9MB. Free memory was 58.4MB in the beginning and 46.2MB in the end (delta: 12.2MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-12-03 00:31:09,809 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 58.7MB. Free memory was 34.6MB in the beginning and 34.5MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:31:09,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 594.19ms. Allocated memory is still 83.9MB. Free memory was 58.4MB in the beginning and 51.4MB in the end (delta: 7.0MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-12-03 00:31:09,810 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.22ms. Allocated memory is still 83.9MB. Free memory was 51.4MB in the beginning and 49.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:31:09,811 INFO L158 Benchmark]: Boogie Preprocessor took 24.48ms. Allocated memory is still 83.9MB. Free memory was 49.4MB in the beginning and 47.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:31:09,816 INFO L158 Benchmark]: RCFGBuilder took 398.93ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 57.8MB in the end (delta: -10.1MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2023-12-03 00:31:09,818 INFO L158 Benchmark]: CodeCheck took 327.88ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 46.6MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:31:09,818 INFO L158 Benchmark]: Witness Printer took 5.07ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 46.2MB in the end (delta: 451.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:31:09,821 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: 769]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 769. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; [L770] CALL entry_point() [L766] CALL probe_9() [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] a9 = (int *)ldv_malloc(sizeof(int)) [L760] COND TRUE \read(*a9) [L761] return 0; [L766] RET probe_9() [L767] a9 = 0 [L770] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 58.7MB. Free memory was 34.6MB in the beginning and 34.5MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 594.19ms. Allocated memory is still 83.9MB. Free memory was 58.4MB in the beginning and 51.4MB in the end (delta: 7.0MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.22ms. Allocated memory is still 83.9MB. Free memory was 51.4MB in the beginning and 49.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.48ms. Allocated memory is still 83.9MB. Free memory was 49.4MB in the beginning and 47.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 398.93ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 57.8MB in the end (delta: -10.1MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * CodeCheck took 327.88ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 46.6MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 5.07ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 46.2MB in the end (delta: 451.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:31:09,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fae6a51-8703-4c52-bfbc-85423497bf4a/bin/ukojak-verify-Qdu7aM0XO9/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