./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm --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-826ab2b [2024-11-13 20:51:26,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:51:26,637 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 20:51:26,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:51:26,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:51:26,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:51:26,680 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:51:26,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:51:26,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:51:26,681 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:51:26,681 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:51:26,682 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:51:26,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:51:26,683 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 20:51:26,684 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 20:51:26,684 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 20:51:26,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:51:26,684 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:51:26,684 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:51:26,685 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:51:26,685 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:51:26,685 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:51:26,685 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:51:26,685 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:51:26,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:51:26,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:51:26,686 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:51:26,686 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:51:26,686 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:51:26,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:51:26,686 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_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 20:51:26,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:51:27,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:51:27,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:51:27,010 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:51:27,010 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:51:27,011 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i Unable to find full path for "g++" [2024-11-13 20:51:28,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:51:29,314 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:51:29,315 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2024-11-13 20:51:29,330 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/data/7bb21c8cc/5a654182162e47079d056ce41743b27d/FLAG3f0b6be55 [2024-11-13 20:51:29,359 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/data/7bb21c8cc/5a654182162e47079d056ce41743b27d [2024-11-13 20:51:29,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:51:29,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:51:29,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:51:29,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:51:29,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:51:29,378 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:51:29" (1/1) ... [2024-11-13 20:51:29,379 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5055435a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:29, skipping insertion in model container [2024-11-13 20:51:29,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:51:29" (1/1) ... [2024-11-13 20:51:29,434 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:51:29,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:51:29,999 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:51:30,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:51:30,145 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:51:30,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:30 WrapperNode [2024-11-13 20:51:30,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:51:30,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:51:30,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:51:30,149 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:51:30,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:30" (1/1) ... [2024-11-13 20:51:30,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:30" (1/1) ... [2024-11-13 20:51:30,209 INFO L138 Inliner]: procedures = 166, calls = 71, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 37 [2024-11-13 20:51:30,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:51:30,210 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:51:30,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:51:30,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:51:30,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:30" (1/1) ... [2024-11-13 20:51:30,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:30" (1/1) ... [2024-11-13 20:51:30,227 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:30" (1/1) ... [2024-11-13 20:51:30,228 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:30" (1/1) ... [2024-11-13 20:51:30,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:30" (1/1) ... [2024-11-13 20:51:30,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:30" (1/1) ... [2024-11-13 20:51:30,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:30" (1/1) ... [2024-11-13 20:51:30,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:30" (1/1) ... [2024-11-13 20:51:30,245 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:51:30,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:51:30,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:51:30,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:51:30,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:30" (1/1) ... [2024-11-13 20:51:30,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:51:30,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:51:30,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:51:30,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:51:30,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 20:51:30,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:51:30,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:51:30,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 20:51:30,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:51:30,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:51:30,446 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:51:30,448 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:51:30,595 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 20:51:30,595 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:51:30,678 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:51:30,680 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:51:30,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:30 BoogieIcfgContainer [2024-11-13 20:51:30,680 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:51:30,681 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:51:30,681 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:51:30,691 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:51:30,691 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:30" (1/1) ... [2024-11-13 20:51:30,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:51:30,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:30,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:51:30,759 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:51:30,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:51:30,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:30,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:30,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:51:31,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:31,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2024-11-13 20:51:31,014 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2024-11-13 20:51:31,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:51:31,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:31,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:31,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:51:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:31,126 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:51:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:31,156 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:51:31,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:51:31 ImpRootNode [2024-11-13 20:51:31,180 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:51:31,181 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:51:31,181 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:51:31,182 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:51:31,182 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:30" (3/4) ... [2024-11-13 20:51:31,184 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:51:31,185 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:51:31,186 INFO L158 Benchmark]: Toolchain (without parser) took 1821.59ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 86.1MB in the end (delta: 5.5MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2024-11-13 20:51:31,186 INFO L158 Benchmark]: CDTParser took 1.34ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 75.4MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:31,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 781.36ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 69.7MB in the end (delta: 21.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 20:51:31,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.55ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 67.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:31,187 INFO L158 Benchmark]: Boogie Preprocessor took 38.00ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 66.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:31,187 INFO L158 Benchmark]: RCFGBuilder took 431.56ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 53.5MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:51:31,188 INFO L158 Benchmark]: CodeCheck took 499.67ms. Allocated memory is still 117.4MB. Free memory was 53.5MB in the beginning and 86.9MB in the end (delta: -33.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:31,188 INFO L158 Benchmark]: Witness Printer took 3.63ms. Allocated memory is still 117.4MB. Free memory was 86.9MB in the beginning and 86.1MB in the end (delta: 850.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:31,190 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, 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 - 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 1.34ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 75.4MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 781.36ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 69.7MB in the end (delta: 21.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.55ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 67.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.00ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 66.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 431.56ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 53.5MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 499.67ms. Allocated memory is still 117.4MB. Free memory was 53.5MB in the beginning and 86.9MB in the end (delta: -33.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.63ms. Allocated memory is still 117.4MB. Free memory was 86.9MB in the beginning and 86.1MB in the end (delta: 850.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:51:31,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/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_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm --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-826ab2b [2024-11-13 20:51:33,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:51:34,100 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-13 20:51:34,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:51:34,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:51:34,175 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:51:34,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:51:34,176 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:51:34,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:51:34,176 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:51:34,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:51:34,176 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 20:51:34,176 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 20:51:34,176 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 20:51:34,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:51:34,176 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:51:34,176 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:51:34,176 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:51:34,177 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:51:34,177 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:51:34,177 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:51:34,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:51:34,177 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:51:34,177 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:51:34,182 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:51:34,183 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:34,183 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:51:34,183 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:51:34,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:51:34,183 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:51:34,184 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:51:34,184 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:51:34,184 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:34,185 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:51:34,185 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_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 20:51:34,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:51:34,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:51:34,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:51:34,495 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:51:34,495 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:51:34,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i Unable to find full path for "g++" [2024-11-13 20:51:36,512 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:51:36,908 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:51:36,909 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2024-11-13 20:51:36,934 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/data/fa02de7f6/fb3fda3f4fcc44e6b886080292bd619b/FLAG2e690a5b3 [2024-11-13 20:51:37,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/data/fa02de7f6/fb3fda3f4fcc44e6b886080292bd619b [2024-11-13 20:51:37,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:51:37,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:51:37,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:51:37,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:51:37,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:51:37,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:51:37" (1/1) ... [2024-11-13 20:51:37,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bbc7174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:37, skipping insertion in model container [2024-11-13 20:51:37,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:51:37" (1/1) ... [2024-11-13 20:51:37,165 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:51:37,595 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 20:51:37,680 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 20:51:37,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:51:37,715 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-13 20:51:37,730 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:51:37,790 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 20:51:37,822 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 20:51:37,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:51:37,830 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:51:37,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:51:37,956 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:51:37,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:37 WrapperNode [2024-11-13 20:51:37,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:51:37,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:51:37,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:51:37,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:51:37,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:37" (1/1) ... [2024-11-13 20:51:37,986 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:37" (1/1) ... [2024-11-13 20:51:38,003 INFO L138 Inliner]: procedures = 167, calls = 71, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 37 [2024-11-13 20:51:38,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:51:38,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:51:38,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:51:38,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:51:38,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:37" (1/1) ... [2024-11-13 20:51:38,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:37" (1/1) ... [2024-11-13 20:51:38,015 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:37" (1/1) ... [2024-11-13 20:51:38,015 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:37" (1/1) ... [2024-11-13 20:51:38,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:37" (1/1) ... [2024-11-13 20:51:38,024 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:37" (1/1) ... [2024-11-13 20:51:38,025 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:37" (1/1) ... [2024-11-13 20:51:38,026 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:37" (1/1) ... [2024-11-13 20:51:38,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:51:38,029 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:51:38,029 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:51:38,029 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:51:38,030 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:37" (1/1) ... [2024-11-13 20:51:38,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:51:38,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:51:38,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:51:38,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:51:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 20:51:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:51:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:51:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 20:51:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:51:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:51:38,235 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:51:38,237 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:51:38,374 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 20:51:38,374 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:51:38,475 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:51:38,475 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:51:38,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:38 BoogieIcfgContainer [2024-11-13 20:51:38,475 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:51:38,476 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:51:38,476 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:51:38,495 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:51:38,495 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:38" (1/1) ... [2024-11-13 20:51:38,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:51:38,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:38,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:51:38,558 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:51:38,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:51:38,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:38,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:38,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:38,566 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:38,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:51:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:38,683 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:38,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 20:51:38,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:38,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:51:38,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:51:38,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:38,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-13 20:51:38,794 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-13 20:51:38,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:51:38,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:38,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:38,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:38,796 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:38,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:51:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:38,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:51:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:38,981 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:51:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:39,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:51:39,013 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:51:39,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:51:39 ImpRootNode [2024-11-13 20:51:39,042 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:51:39,042 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:51:39,042 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:51:39,042 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:51:39,044 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:38" (3/4) ... [2024-11-13 20:51:39,046 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:51:39,047 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:51:39,050 INFO L158 Benchmark]: Toolchain (without parser) took 1945.66ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 71.5MB in the end (delta: 19.5MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-11-13 20:51:39,050 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:39,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 853.25ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 62.7MB in the end (delta: 28.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 20:51:39,051 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.94ms. Allocated memory is still 117.4MB. Free memory was 62.7MB in the beginning and 60.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:51:39,051 INFO L158 Benchmark]: Boogie Preprocessor took 24.12ms. Allocated memory is still 117.4MB. Free memory was 60.9MB in the beginning and 59.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:39,052 INFO L158 Benchmark]: RCFGBuilder took 446.91ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 90.0MB in the end (delta: -30.1MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-11-13 20:51:39,052 INFO L158 Benchmark]: CodeCheck took 565.41ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 71.5MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:51:39,052 INFO L158 Benchmark]: Witness Printer took 5.06ms. Allocated memory is still 117.4MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:39,059 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: 0.5s, 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 - 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 0.41ms. Allocated memory is still 117.4MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 853.25ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 62.7MB in the end (delta: 28.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.94ms. Allocated memory is still 117.4MB. Free memory was 62.7MB in the beginning and 60.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.12ms. Allocated memory is still 117.4MB. Free memory was 60.9MB in the beginning and 59.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 446.91ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 90.0MB in the end (delta: -30.1MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * CodeCheck took 565.41ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 71.5MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.06ms. Allocated memory is still 117.4MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:51:39,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e922058a-a798-4785-8a3e-ab5774d01286/bin/ukojak-verify-EEHR8qb7sm/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