./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL --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 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:49:55,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:49:55,520 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 02:49:55,528 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:49:55,529 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:49:55,565 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:49:55,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:49:55,568 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:49:55,569 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:49:55,574 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:49:55,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:49:55,575 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:49:55,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:49:55,577 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:49:55,578 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:49:55,578 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:49:55,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:49:55,579 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:49:55,580 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:49:55,580 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:49:55,581 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:49:55,581 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:49:55,582 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:49:55,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:49:55,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:55,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:49:55,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:49:55,585 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:49:55,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:49:55,585 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_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2023-11-19 02:49:55,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:49:55,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:49:55,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:49:55,941 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:49:55,942 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:49:55,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2023-11-19 02:49:58,969 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:49:59,300 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:49:59,301 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2023-11-19 02:49:59,318 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/data/a2963fd5e/397dd9ff75ab46428e9123b56fb41023/FLAG7a2a6cdfa [2023-11-19 02:49:59,333 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/data/a2963fd5e/397dd9ff75ab46428e9123b56fb41023 [2023-11-19 02:49:59,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:49:59,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:49:59,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:59,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:49:59,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:49:59,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:59" (1/1) ... [2023-11-19 02:49:59,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6358d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:59, skipping insertion in model container [2023-11-19 02:49:59,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:59" (1/1) ... [2023-11-19 02:49:59,425 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:49:59,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:59,826 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:49:59,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:00,001 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:50:00,007 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:50:00,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:00 WrapperNode [2023-11-19 02:50:00,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:00,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:00,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:50:00,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:50:00,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:00" (1/1) ... [2023-11-19 02:50:00,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:00" (1/1) ... [2023-11-19 02:50:00,090 INFO L138 Inliner]: procedures = 165, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 38 [2023-11-19 02:50:00,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:00,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:50:00,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:50:00,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:50:00,102 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:00" (1/1) ... [2023-11-19 02:50:00,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:00" (1/1) ... [2023-11-19 02:50:00,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:00" (1/1) ... [2023-11-19 02:50:00,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:00" (1/1) ... [2023-11-19 02:50:00,126 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:00" (1/1) ... [2023-11-19 02:50:00,131 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:00" (1/1) ... [2023-11-19 02:50:00,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:00" (1/1) ... [2023-11-19 02:50:00,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:00" (1/1) ... [2023-11-19 02:50:00,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:50:00,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:50:00,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:50:00,150 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:50:00,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:00" (1/1) ... [2023-11-19 02:50:00,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:00,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:50:00,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:50:00,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:50:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:50:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:50:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 02:50:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:50:00,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:50:00,404 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:50:00,416 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:50:00,523 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:50:00,647 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:50:00,647 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:50:00,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:00 BoogieIcfgContainer [2023-11-19 02:50:00,654 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:50:00,655 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:50:00,655 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:50:00,666 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:50:00,672 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:00" (1/1) ... [2023-11-19 02:50:00,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:50:00,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:00,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-11-19 02:50:00,744 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-11-19 02:50:00,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 02:50:00,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:00,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:50:00,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:50:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:50:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:50:01,130 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:50:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:50:01,157 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:50:01,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:50:01 ImpRootNode [2023-11-19 02:50:01,184 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:50:01,187 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:50:01,187 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:50:01,188 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:50:01,189 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:00" (3/4) ... [2023-11-19 02:50:01,195 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:50:01,196 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:50:01,199 INFO L158 Benchmark]: Toolchain (without parser) took 1857.42ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 82.7MB in the beginning and 118.1MB in the end (delta: -35.4MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2023-11-19 02:50:01,200 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory was 102.9MB in the beginning and 102.9MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:50:01,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 664.92ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 82.7MB in the beginning and 153.7MB in the end (delta: -71.1MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2023-11-19 02:50:01,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.30ms. Allocated memory is still 184.5MB. Free memory was 152.7MB in the beginning and 150.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:50:01,205 INFO L158 Benchmark]: Boogie Preprocessor took 57.46ms. Allocated memory is still 184.5MB. Free memory was 150.6MB in the beginning and 149.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:50:01,206 INFO L158 Benchmark]: RCFGBuilder took 504.59ms. Allocated memory is still 184.5MB. Free memory was 149.5MB in the beginning and 131.7MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 02:50:01,207 INFO L158 Benchmark]: CodeCheck took 529.68ms. Allocated memory is still 184.5MB. Free memory was 131.7MB in the beginning and 118.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:50:01,214 INFO L158 Benchmark]: Witness Printer took 10.21ms. Allocated memory is still 184.5MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:50:01,225 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: 0.5s, 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: 771]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 771. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L772] CALL entry_point() [L768] int condition = __VERIFIER_nondet_int(); [L769] CALL, EXPR alloc_16(condition) [L761] COND TRUE \read(condition) [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A16)) [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; [L769] RET, EXPR alloc_16(condition) [L769] struct A16 *p = alloc_16(condition); [L772] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory was 102.9MB in the beginning and 102.9MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 664.92ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 82.7MB in the beginning and 153.7MB in the end (delta: -71.1MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.30ms. Allocated memory is still 184.5MB. Free memory was 152.7MB in the beginning and 150.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.46ms. Allocated memory is still 184.5MB. Free memory was 150.6MB in the beginning and 149.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 504.59ms. Allocated memory is still 184.5MB. Free memory was 149.5MB in the beginning and 131.7MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 529.68ms. Allocated memory is still 184.5MB. Free memory was 131.7MB in the beginning and 118.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 10.21ms. Allocated memory is still 184.5MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:50:01,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/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_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL --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 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:50:04,465 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:50:04,618 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 02:50:04,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:50:04,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:50:04,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:50:04,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:50:04,688 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:50:04,689 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:50:04,695 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:50:04,696 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:50:04,697 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:50:04,697 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:50:04,699 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:50:04,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:50:04,700 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:50:04,701 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:50:04,701 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:50:04,702 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:50:04,703 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:50:04,703 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:50:04,704 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:50:04,705 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:50:04,705 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:50:04,705 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:50:04,706 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:50:04,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:50:04,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:04,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:50:04,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:50:04,710 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:50:04,711 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:50:04,711 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:50:04,711 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:50:04,712 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_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2023-11-19 02:50:05,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:50:05,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:50:05,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:50:05,302 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:50:05,303 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:50:05,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2023-11-19 02:50:08,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:50:09,396 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:50:09,397 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2023-11-19 02:50:09,426 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/data/2b8820230/15bcb2fec4724adca890ce0ba947a21f/FLAG631b17108 [2023-11-19 02:50:09,449 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/data/2b8820230/15bcb2fec4724adca890ce0ba947a21f [2023-11-19 02:50:09,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:50:09,458 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:50:09,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:09,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:50:09,469 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:50:09,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:09" (1/1) ... [2023-11-19 02:50:09,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23b35c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:09, skipping insertion in model container [2023-11-19 02:50:09,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:09" (1/1) ... [2023-11-19 02:50:09,567 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:50:10,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:10,313 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 02:50:10,341 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:50:10,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:10,406 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:50:10,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:10,517 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:50:10,526 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:50:10,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10 WrapperNode [2023-11-19 02:50:10,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:10,528 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:10,528 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:50:10,529 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:50:10,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10" (1/1) ... [2023-11-19 02:50:10,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10" (1/1) ... [2023-11-19 02:50:10,584 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 37 [2023-11-19 02:50:10,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:10,585 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:50:10,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:50:10,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:50:10,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10" (1/1) ... [2023-11-19 02:50:10,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10" (1/1) ... [2023-11-19 02:50:10,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10" (1/1) ... [2023-11-19 02:50:10,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10" (1/1) ... [2023-11-19 02:50:10,606 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10" (1/1) ... [2023-11-19 02:50:10,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10" (1/1) ... [2023-11-19 02:50:10,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10" (1/1) ... [2023-11-19 02:50:10,612 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10" (1/1) ... [2023-11-19 02:50:10,615 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:50:10,616 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:50:10,616 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:50:10,616 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:50:10,617 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10" (1/1) ... [2023-11-19 02:50:10,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:10,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:50:10,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:50:10,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:50:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:50:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:50:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 02:50:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:50:10,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:50:10,867 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:50:10,870 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:50:11,004 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:50:11,121 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:50:11,121 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:50:11,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:11 BoogieIcfgContainer [2023-11-19 02:50:11,126 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:50:11,127 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:50:11,127 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:50:11,138 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:50:11,141 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:11" (1/1) ... [2023-11-19 02:50:11,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:50:11,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:11,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-11-19 02:50:11,226 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-11-19 02:50:11,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 02:50:11,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:11,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:50:11,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:50:11,236 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:50:11,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:50:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:50:11,444 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:50:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:50:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:50:11,590 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:50:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:50:11,634 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:50:11,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 02:50:11,642 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:50:11,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:50:11 ImpRootNode [2023-11-19 02:50:11,670 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:50:11,673 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:50:11,673 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:50:11,673 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:50:11,674 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:11" (3/4) ... [2023-11-19 02:50:11,680 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:50:11,681 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:50:11,683 INFO L158 Benchmark]: Toolchain (without parser) took 2223.93ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 50.1MB in the beginning and 61.4MB in the end (delta: -11.3MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2023-11-19 02:50:11,683 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 75.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:50:11,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1064.45ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 50.0MB in the beginning and 69.9MB in the end (delta: -19.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:50:11,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.82ms. Allocated memory is still 107.0MB. Free memory was 69.9MB in the beginning and 67.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:50:11,687 INFO L158 Benchmark]: Boogie Preprocessor took 29.53ms. Allocated memory is still 107.0MB. Free memory was 67.4MB in the beginning and 66.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:50:11,695 INFO L158 Benchmark]: RCFGBuilder took 510.45ms. Allocated memory is still 107.0MB. Free memory was 66.1MB in the beginning and 74.6MB in the end (delta: -8.5MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-11-19 02:50:11,696 INFO L158 Benchmark]: CodeCheck took 543.57ms. Allocated memory is still 107.0MB. Free memory was 74.6MB in the beginning and 62.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:50:11,696 INFO L158 Benchmark]: Witness Printer took 8.85ms. Allocated memory is still 107.0MB. Free memory is still 61.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:50:11,706 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: 0.5s, 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: 771]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 771. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L772] CALL entry_point() [L768] int condition = __VERIFIER_nondet_int(); [L769] CALL, EXPR alloc_16(condition) [L761] COND TRUE \read(condition) [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A16)) [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; [L769] RET, EXPR alloc_16(condition) [L769] struct A16 *p = alloc_16(condition); [L772] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 75.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1064.45ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 50.0MB in the beginning and 69.9MB in the end (delta: -19.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.82ms. Allocated memory is still 107.0MB. Free memory was 69.9MB in the beginning and 67.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.53ms. Allocated memory is still 107.0MB. Free memory was 67.4MB in the beginning and 66.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 510.45ms. Allocated memory is still 107.0MB. Free memory was 66.1MB in the beginning and 74.6MB in the end (delta: -8.5MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * CodeCheck took 543.57ms. Allocated memory is still 107.0MB. Free memory was 74.6MB in the beginning and 62.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 8.85ms. Allocated memory is still 107.0MB. Free memory is still 61.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:50:11,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c08cb64-4699-4113-9272-424a4910d736/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample