./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b --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 2ed1b4c32fb34a3b94710a14cca3ab0a8326ba7fa7dcd01a325fa2ad8637f2b6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:27:51,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:27:51,461 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 05:27:51,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:27:51,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:27:51,483 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:27:51,484 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:27:51,484 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:27:51,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:27:51,484 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:27:51,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:27:51,484 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:27:51,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:27:51,485 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 05:27:51,485 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 05:27:51,485 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 05:27:51,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:27:51,485 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:27:51,485 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:27:51,485 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:27:51,485 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:27:51,485 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:27:51,486 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:27:51,486 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:27:51,486 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:27:51,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:27:51,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:27:51,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:27:51,486 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:27:51,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:27:51,486 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b 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 -> 2ed1b4c32fb34a3b94710a14cca3ab0a8326ba7fa7dcd01a325fa2ad8637f2b6 [2024-12-06 05:27:51,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:27:51,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:27:51,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:27:51,699 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:27:51,700 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:27:51,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2024-12-06 05:27:54,329 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/data/86f92b833/ab18402904f9475486ca05688c26ebce/FLAGa968abecb [2024-12-06 05:27:54,582 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:27:54,583 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2024-12-06 05:27:54,595 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/data/86f92b833/ab18402904f9475486ca05688c26ebce/FLAGa968abecb [2024-12-06 05:27:54,609 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/data/86f92b833/ab18402904f9475486ca05688c26ebce [2024-12-06 05:27:54,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:27:54,613 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:27:54,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:27:54,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:27:54,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:27:54,620 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:27:54" (1/1) ... [2024-12-06 05:27:54,620 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1674fd41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:54, skipping insertion in model container [2024-12-06 05:27:54,620 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:27:54" (1/1) ... [2024-12-06 05:27:54,648 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:27:54,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:27:54,988 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:27:55,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:27:55,071 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:27:55,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:55 WrapperNode [2024-12-06 05:27:55,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:27:55,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:27:55,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:27:55,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:27:55,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:55" (1/1) ... [2024-12-06 05:27:55,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:55" (1/1) ... [2024-12-06 05:27:55,100 INFO L138 Inliner]: procedures = 166, calls = 71, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 37 [2024-12-06 05:27:55,101 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:27:55,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:27:55,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:27:55,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:27:55,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:55" (1/1) ... [2024-12-06 05:27:55,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:55" (1/1) ... [2024-12-06 05:27:55,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:55" (1/1) ... [2024-12-06 05:27:55,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:55" (1/1) ... [2024-12-06 05:27:55,115 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:55" (1/1) ... [2024-12-06 05:27:55,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:55" (1/1) ... [2024-12-06 05:27:55,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:55" (1/1) ... [2024-12-06 05:27:55,118 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:55" (1/1) ... [2024-12-06 05:27:55,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:55" (1/1) ... [2024-12-06 05:27:55,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:27:55,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:27:55,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:27:55,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:27:55,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:55" (1/1) ... [2024-12-06 05:27:55,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:27:55,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:27:55,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:27:55,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:27:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 05:27:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:27:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:27:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 05:27:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:27:55,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:27:55,247 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:27:55,248 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:27:55,325 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-06 05:27:55,325 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:27:55,367 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:27:55,367 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:27:55,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:27:55 BoogieIcfgContainer [2024-12-06 05:27:55,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:27:55,368 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:27:55,368 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:27:55,378 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:27:55,378 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:27:55" (1/1) ... [2024-12-06 05:27:55,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:27:55,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:55,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 05:27:55,432 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 05:27:55,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 05:27:55,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:55,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:27:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:55,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:27:55,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:55,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2024-12-06 05:27:55,623 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2024-12-06 05:27:55,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:27:55,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:55,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:27:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:27:55,643 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:27:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:27:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:27:55,693 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:27:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:27:55,712 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 05:27:55,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:27:55 ImpRootNode [2024-12-06 05:27:55,737 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:27:55,737 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:27:55,738 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:27:55,738 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:27:55,738 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:27:55" (3/4) ... [2024-12-06 05:27:55,740 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:27:55,741 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:27:55,741 INFO L158 Benchmark]: Toolchain (without parser) took 1128.36ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 114.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-12-06 05:27:55,742 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:27:55,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.64ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 96.6MB in the end (delta: 21.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:27:55,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.37ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 94.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:27:55,743 INFO L158 Benchmark]: Boogie Preprocessor took 18.74ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 93.9MB in the end (delta: 781.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:27:55,743 INFO L158 Benchmark]: RCFGBuilder took 247.10ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 80.4MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:27:55,744 INFO L158 Benchmark]: CodeCheck took 368.78ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 114.9MB in the end (delta: -34.5MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-12-06 05:27:55,744 INFO L158 Benchmark]: Witness Printer took 3.28ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 114.9MB in the end (delta: 13.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:27:55,746 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 2 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 770]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 770. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L771] CALL entry_point() [L767] CALL, EXPR 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)); [L759] return 0; [L767] RET, EXPR f5() [L767] int *p = f5(); [L768] CALL g5(p) [L762] COND FALSE !(\read(*p)) VAL [ldv_global_msg_list={1:0}] [L768] RET g5(p) [L771] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.64ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 96.6MB in the end (delta: 21.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.37ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 94.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.74ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 93.9MB in the end (delta: 781.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 247.10ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 80.4MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 368.78ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 114.9MB in the end (delta: -34.5MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * Witness Printer took 3.28ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 114.9MB in the end (delta: 13.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 05:27:55,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b --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 2ed1b4c32fb34a3b94710a14cca3ab0a8326ba7fa7dcd01a325fa2ad8637f2b6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:27:57,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:27:57,745 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-06 05:27:57,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:27:57,771 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:27:57,771 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:27:57,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:27:57,771 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:27:57,771 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:27:57,772 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:27:57,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:27:57,772 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 05:27:57,772 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 05:27:57,772 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 05:27:57,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:27:57,772 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:27:57,772 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:27:57,772 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:27:57,772 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:27:57,773 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:27:57,773 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:27:57,773 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:27:57,773 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:27:57,773 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:27:57,773 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:27:57,773 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:27:57,773 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:27:57,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:27:57,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:27:57,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:27:57,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:27:57,774 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:27:57,774 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:27:57,774 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:27:57,774 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b 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 -> 2ed1b4c32fb34a3b94710a14cca3ab0a8326ba7fa7dcd01a325fa2ad8637f2b6 [2024-12-06 05:27:58,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:27:58,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:27:58,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:27:58,011 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:27:58,011 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:27:58,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2024-12-06 05:28:00,634 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/data/269d3bf27/41ce9cec986e435892b4d19a0df4a9a2/FLAG2e58d5022 [2024-12-06 05:28:00,884 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:28:00,884 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2024-12-06 05:28:00,897 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/data/269d3bf27/41ce9cec986e435892b4d19a0df4a9a2/FLAG2e58d5022 [2024-12-06 05:28:00,911 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/data/269d3bf27/41ce9cec986e435892b4d19a0df4a9a2 [2024-12-06 05:28:00,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:28:00,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:28:00,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:28:00,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:28:00,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:28:00,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:28:00" (1/1) ... [2024-12-06 05:28:00,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41db564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:00, skipping insertion in model container [2024-12-06 05:28:00,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:28:00" (1/1) ... [2024-12-06 05:28:00,955 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:28:01,228 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 05:28:01,272 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 05:28:01,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:28:01,292 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-12-06 05:28:01,299 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:28:01,326 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 05:28:01,342 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 05:28:01,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:28:01,350 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:28:01,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:28:01,431 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:28:01,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:01 WrapperNode [2024-12-06 05:28:01,432 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:28:01,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:28:01,432 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:28:01,432 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:28:01,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:01" (1/1) ... [2024-12-06 05:28:01,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:01" (1/1) ... [2024-12-06 05:28:01,472 INFO L138 Inliner]: procedures = 167, calls = 71, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 37 [2024-12-06 05:28:01,472 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:28:01,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:28:01,473 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:28:01,473 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:28:01,480 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:01" (1/1) ... [2024-12-06 05:28:01,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:01" (1/1) ... [2024-12-06 05:28:01,483 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:01" (1/1) ... [2024-12-06 05:28:01,483 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:01" (1/1) ... [2024-12-06 05:28:01,488 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:01" (1/1) ... [2024-12-06 05:28:01,489 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:01" (1/1) ... [2024-12-06 05:28:01,491 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:01" (1/1) ... [2024-12-06 05:28:01,492 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:01" (1/1) ... [2024-12-06 05:28:01,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:01" (1/1) ... [2024-12-06 05:28:01,495 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:28:01,495 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:28:01,495 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:28:01,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:28:01,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:01" (1/1) ... [2024-12-06 05:28:01,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:28:01,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:28:01,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:28:01,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:28:01,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 05:28:01,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:28:01,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:28:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 05:28:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:28:01,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:28:01,634 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:28:01,636 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:28:01,737 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-06 05:28:01,737 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:28:01,793 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:28:01,793 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:28:01,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:28:01 BoogieIcfgContainer [2024-12-06 05:28:01,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:28:01,795 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:28:01,795 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:28:01,804 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:28:01,804 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:28:01" (1/1) ... [2024-12-06 05:28:01,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:28:01,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:28:01,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 05:28:01,855 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 05:28:01,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 05:28:01,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:28:01,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:28:01,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:28:01,859 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:28:01,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:28:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:28:01,950 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:28:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:28:01,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:28:01,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:28:02,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:28:02,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:28:02,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:28:02,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-12-06 05:28:02,042 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-12-06 05:28:02,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:28:02,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:28:02,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:28:02,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:28:02,045 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:28:02,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:28:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:28:02,135 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:28:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:28:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:28:02,194 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:28:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:28:02,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:28:02,217 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 05:28:02,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:28:02 ImpRootNode [2024-12-06 05:28:02,238 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:28:02,239 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:28:02,239 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:28:02,239 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:28:02,240 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:28:01" (3/4) ... [2024-12-06 05:28:02,242 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:28:02,243 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:28:02,243 INFO L158 Benchmark]: Toolchain (without parser) took 1328.14ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 34.5MB in the end (delta: 34.1MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-12-06 05:28:02,244 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:28:02,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 515.28ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 41.0MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:28:02,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.14ms. Allocated memory is still 92.3MB. Free memory was 41.0MB in the beginning and 69.3MB in the end (delta: -28.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-12-06 05:28:02,245 INFO L158 Benchmark]: Boogie Preprocessor took 21.86ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 68.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:28:02,245 INFO L158 Benchmark]: RCFGBuilder took 298.81ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 52.7MB in the end (delta: 15.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:28:02,245 INFO L158 Benchmark]: CodeCheck took 443.60ms. Allocated memory is still 92.3MB. Free memory was 52.7MB in the beginning and 34.5MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:28:02,246 INFO L158 Benchmark]: Witness Printer took 3.82ms. Allocated memory is still 92.3MB. Free memory is still 34.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:28:02,248 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 0 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 21 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 770]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 770. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L771] CALL entry_point() [L767] CALL, EXPR 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)); [L759] return 0; [L767] RET, EXPR f5() [L767] int *p = f5(); [L768] CALL g5(p) [L762] COND FALSE !(\read(*p)) VAL [ldv_global_msg_list={1:0}] [L768] RET g5(p) [L771] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 515.28ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 41.0MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.14ms. Allocated memory is still 92.3MB. Free memory was 41.0MB in the beginning and 69.3MB in the end (delta: -28.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.86ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 68.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 298.81ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 52.7MB in the end (delta: 15.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 443.60ms. Allocated memory is still 92.3MB. Free memory was 52.7MB in the beginning and 34.5MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.82ms. Allocated memory is still 92.3MB. Free memory is still 34.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 05:28:02,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d87bcb3-3df4-4d9f-a1a7-b4008cbc9d53/bin/ukojak-verify-CZk0znPC7b/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