./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.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_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/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_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/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_8642c104-bfbb-4bbb-b315-560683fabbbd/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 e7e6b24d9cf8216a993f94ef9a45f82a920f286164b928ab0c38c455f4ed913b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:27:53,402 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:27:53,471 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-03 00:27:53,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:27:53,476 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:27:53,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:27:53,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:27:53,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:27:53,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:27:53,504 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:27:53,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:27:53,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:27:53,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:27:53,506 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 00:27:53,506 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 00:27:53,507 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 00:27:53,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:27:53,508 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:27:53,509 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:27:53,509 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:27:53,510 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:27:53,510 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:27:53,511 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:27:53,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:27:53,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:27:53,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:27:53,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:27:53,513 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:27:53,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:27:53,514 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_8642c104-bfbb-4bbb-b315-560683fabbbd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7e6b24d9cf8216a993f94ef9a45f82a920f286164b928ab0c38c455f4ed913b [2023-12-03 00:27:53,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:27:53,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:27:53,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:27:53,754 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:27:53,755 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:27:53,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2023-12-03 00:27:56,434 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:27:56,667 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:27:56,668 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2023-12-03 00:27:56,682 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/data/4076c0f1a/e67c1d9eed8d4513abae6e6a92293897/FLAG664a5d6e6 [2023-12-03 00:27:56,695 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/data/4076c0f1a/e67c1d9eed8d4513abae6e6a92293897 [2023-12-03 00:27:56,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:27:56,698 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:27:56,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:27:56,700 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:27:56,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:27:56,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:27:56" (1/1) ... [2023-12-03 00:27:56,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@482f5e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:56, skipping insertion in model container [2023-12-03 00:27:56,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:27:56" (1/1) ... [2023-12-03 00:27:56,749 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:27:57,068 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:27:57,083 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:27:57,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:27:57,174 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:27:57,181 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:27:57,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:57 WrapperNode [2023-12-03 00:27:57,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:27:57,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:27:57,182 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:27:57,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:27:57,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:57" (1/1) ... [2023-12-03 00:27:57,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:57" (1/1) ... [2023-12-03 00:27:57,227 INFO L138 Inliner]: procedures = 165, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 26 [2023-12-03 00:27:57,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:27:57,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:27:57,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:27:57,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:27:57,236 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:57" (1/1) ... [2023-12-03 00:27:57,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:57" (1/1) ... [2023-12-03 00:27:57,239 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:57" (1/1) ... [2023-12-03 00:27:57,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:57" (1/1) ... [2023-12-03 00:27:57,243 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:57" (1/1) ... [2023-12-03 00:27:57,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:57" (1/1) ... [2023-12-03 00:27:57,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:57" (1/1) ... [2023-12-03 00:27:57,247 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:57" (1/1) ... [2023-12-03 00:27:57,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:27:57,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:27:57,250 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:27:57,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:27:57,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:27:57" (1/1) ... [2023-12-03 00:27:57,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:27:57,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:27:57,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:27:57,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:27:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:27:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:27:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 00:27:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:27:57,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:27:57,432 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:27:57,434 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:27:57,502 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:27:57,554 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:27:57,554 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:27:57,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:27:57 BoogieIcfgContainer [2023-12-03 00:27:57,556 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:27:57,557 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:27:57,557 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:27:57,566 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:27:57,566 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:27:57" (1/1) ... [2023-12-03 00:27:57,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:27:57,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:57,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-12-03 00:27:57,621 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-12-03 00:27:57,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 00:27:57,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:57,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:27:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:27:57,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:27:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:27:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:27:57,767 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:27:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:27:57,785 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:27:57,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:27:57 ImpRootNode [2023-12-03 00:27:57,804 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:27:57,805 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:27:57,805 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:27:57,805 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:27:57,805 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:27:57" (3/4) ... [2023-12-03 00:27:57,808 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:27:57,809 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:27:57,810 INFO L158 Benchmark]: Toolchain (without parser) took 1111.97ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 81.2MB in the beginning and 110.9MB in the end (delta: -29.7MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-12-03 00:27:57,811 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 138.4MB. Free memory was 106.1MB in the beginning and 106.0MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:27:57,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.99ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 81.2MB in the beginning and 140.3MB in the end (delta: -59.1MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-12-03 00:27:57,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.95ms. Allocated memory is still 178.3MB. Free memory was 140.3MB in the beginning and 138.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:27:57,813 INFO L158 Benchmark]: Boogie Preprocessor took 20.87ms. Allocated memory is still 178.3MB. Free memory was 138.2MB in the beginning and 137.4MB in the end (delta: 829.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:27:57,814 INFO L158 Benchmark]: RCFGBuilder took 306.11ms. Allocated memory is still 178.3MB. Free memory was 137.4MB in the beginning and 124.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:27:57,814 INFO L158 Benchmark]: CodeCheck took 246.94ms. Allocated memory is still 178.3MB. Free memory was 124.8MB in the beginning and 111.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:27:57,815 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 178.3MB. Free memory was 111.4MB in the beginning and 110.9MB in the end (delta: 470.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:27:57,819 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: 763]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 763. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L764] CALL entry_point() [L761] CALL f5() [L758] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L761] RET f5() [L764] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 138.4MB. Free memory was 106.1MB in the beginning and 106.0MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.99ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 81.2MB in the beginning and 140.3MB in the end (delta: -59.1MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.95ms. Allocated memory is still 178.3MB. Free memory was 140.3MB in the beginning and 138.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.87ms. Allocated memory is still 178.3MB. Free memory was 138.2MB in the beginning and 137.4MB in the end (delta: 829.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 306.11ms. Allocated memory is still 178.3MB. Free memory was 137.4MB in the beginning and 124.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 246.94ms. Allocated memory is still 178.3MB. Free memory was 124.8MB in the beginning and 111.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 178.3MB. Free memory was 111.4MB in the beginning and 110.9MB in the end (delta: 470.0kB). 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 00:27:57,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/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_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/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_8642c104-bfbb-4bbb-b315-560683fabbbd/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 e7e6b24d9cf8216a993f94ef9a45f82a920f286164b928ab0c38c455f4ed913b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:27:59,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:27:59,848 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-12-03 00:27:59,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:27:59,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:27:59,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:27:59,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:27:59,883 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:27:59,884 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:27:59,884 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:27:59,885 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:27:59,885 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 00:27:59,886 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 00:27:59,886 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 00:27:59,887 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:27:59,887 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:27:59,888 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:27:59,888 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:27:59,889 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:27:59,889 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:27:59,890 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:27:59,894 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:27:59,895 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:27:59,895 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:27:59,896 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:59,896 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:27:59,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:27:59,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:27:59,897 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:27:59,898 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:27:59,898 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:27:59,898 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:59,899 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:27:59,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:27:59,899 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_8642c104-bfbb-4bbb-b315-560683fabbbd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7e6b24d9cf8216a993f94ef9a45f82a920f286164b928ab0c38c455f4ed913b [2023-12-03 00:28:00,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:28:00,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:28:00,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:28:00,205 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:28:00,205 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:28:00,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2023-12-03 00:28:02,893 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:28:03,166 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:28:03,167 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2023-12-03 00:28:03,185 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/data/d4fc4eb8b/1c1edfe587b7405d957555b6643b7ebf/FLAGecd55b98f [2023-12-03 00:28:03,198 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/data/d4fc4eb8b/1c1edfe587b7405d957555b6643b7ebf [2023-12-03 00:28:03,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:28:03,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:28:03,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:28:03,203 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:28:03,207 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:28:03,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:28:03" (1/1) ... [2023-12-03 00:28:03,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@491161cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:03, skipping insertion in model container [2023-12-03 00:28:03,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:28:03" (1/1) ... [2023-12-03 00:28:03,255 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:28:03,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:28:03,571 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 00:28:03,585 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:28:03,638 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:28:03,645 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:28:03,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:28:03,747 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:28:03,754 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:28:03,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:03 WrapperNode [2023-12-03 00:28:03,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:28:03,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:28:03,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:28:03,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:28:03,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:03" (1/1) ... [2023-12-03 00:28:03,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:03" (1/1) ... [2023-12-03 00:28:03,804 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 26 [2023-12-03 00:28:03,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:28:03,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:28:03,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:28:03,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:28:03,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:03" (1/1) ... [2023-12-03 00:28:03,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:03" (1/1) ... [2023-12-03 00:28:03,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:03" (1/1) ... [2023-12-03 00:28:03,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:03" (1/1) ... [2023-12-03 00:28:03,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:03" (1/1) ... [2023-12-03 00:28:03,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:03" (1/1) ... [2023-12-03 00:28:03,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:03" (1/1) ... [2023-12-03 00:28:03,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:03" (1/1) ... [2023-12-03 00:28:03,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:28:03,830 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:28:03,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:28:03,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:28:03,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:03" (1/1) ... [2023-12-03 00:28:03,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:28:03,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:28:03,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:28:03,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:28:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:28:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:28:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 00:28:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:28:03,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:28:04,030 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:28:04,032 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:28:04,106 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:28:04,159 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:28:04,159 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:28:04,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:28:04 BoogieIcfgContainer [2023-12-03 00:28:04,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:28:04,162 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:28:04,162 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:28:04,170 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:28:04,170 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:28:04" (1/1) ... [2023-12-03 00:28:04,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:28:04,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:04,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-12-03 00:28:04,221 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-12-03 00:28:04,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 00:28:04,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:04,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:04,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:04,241 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:04,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:28:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:28:04,351 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:28:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:28:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:28:04,412 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:28:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:28:04,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:28:04,432 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:28:04,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:28:04 ImpRootNode [2023-12-03 00:28:04,447 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:28:04,447 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:28:04,447 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:28:04,448 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:28:04,448 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:28:04" (3/4) ... [2023-12-03 00:28:04,450 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:28:04,451 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:28:04,452 INFO L158 Benchmark]: Toolchain (without parser) took 1249.98ms. Allocated memory is still 88.1MB. Free memory was 63.5MB in the beginning and 58.7MB in the end (delta: 4.8MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2023-12-03 00:28:04,452 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:28:04,453 INFO L158 Benchmark]: CACSL2BoogieTranslator took 552.45ms. Allocated memory is still 88.1MB. Free memory was 63.3MB in the beginning and 58.0MB in the end (delta: 5.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 00:28:04,453 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.66ms. Allocated memory is still 88.1MB. Free memory was 57.6MB in the beginning and 55.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:28:04,454 INFO L158 Benchmark]: Boogie Preprocessor took 24.24ms. Allocated memory is still 88.1MB. Free memory was 55.8MB in the beginning and 54.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:28:04,455 INFO L158 Benchmark]: RCFGBuilder took 331.14ms. Allocated memory is still 88.1MB. Free memory was 54.2MB in the beginning and 39.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:28:04,455 INFO L158 Benchmark]: CodeCheck took 284.62ms. Allocated memory is still 88.1MB. Free memory was 39.9MB in the beginning and 59.2MB in the end (delta: -19.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:28:04,456 INFO L158 Benchmark]: Witness Printer took 4.09ms. Allocated memory is still 88.1MB. Free memory was 59.2MB in the beginning and 58.7MB in the end (delta: 484.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:28:04,459 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: 763]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 763. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L764] CALL entry_point() [L761] CALL f5() [L758] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L761] RET f5() [L764] 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 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 552.45ms. Allocated memory is still 88.1MB. Free memory was 63.3MB in the beginning and 58.0MB in the end (delta: 5.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.66ms. Allocated memory is still 88.1MB. Free memory was 57.6MB in the beginning and 55.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.24ms. Allocated memory is still 88.1MB. Free memory was 55.8MB in the beginning and 54.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 331.14ms. Allocated memory is still 88.1MB. Free memory was 54.2MB in the beginning and 39.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 284.62ms. Allocated memory is still 88.1MB. Free memory was 39.9MB in the beginning and 59.2MB in the end (delta: -19.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.09ms. Allocated memory is still 88.1MB. Free memory was 59.2MB in the beginning and 58.7MB in the end (delta: 484.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:28:04,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8642c104-bfbb-4bbb-b315-560683fabbbd/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