./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-ext-properties/simple-ext.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96a8424-a9fe-49cf-ba62-20cc010be06f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96a8424-a9fe-49cf-ba62-20cc010be06f/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_e96a8424-a9fe-49cf-ba62-20cc010be06f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96a8424-a9fe-49cf-ba62-20cc010be06f/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/simple-ext.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96a8424-a9fe-49cf-ba62-20cc010be06f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96a8424-a9fe-49cf-ba62-20cc010be06f/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-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:19:03,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:19:03,156 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96a8424-a9fe-49cf-ba62-20cc010be06f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2024-11-13 23:19:03,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:19:03,163 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:19:03,193 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:19:03,194 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:19:03,195 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:19:03,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:19:03,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:19:03,195 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:19:03,196 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:19:03,196 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:19:03,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:19:03,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:19:03,196 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 23:19:03,196 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 23:19:03,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:19:03,197 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:19:03,197 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:19:03,197 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:19:03,197 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:19:03,198 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:19:03,198 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:19:03,198 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:19:03,198 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:19:03,198 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:19:03,199 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:19:03,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:19:03,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:19:03,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:19:03,200 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:19:03,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:19:03,200 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_e96a8424-a9fe-49cf-ba62-20cc010be06f/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-memcleanup) ) 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 -> 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 [2024-11-13 23:19:03,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:19:03,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:19:03,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:19:03,577 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:19:03,578 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:19:03,580 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96a8424-a9fe-49cf-ba62-20cc010be06f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/list-ext-properties/simple-ext.i Unable to find full path for "g++" [2024-11-13 23:19:05,600 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:19:06,025 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:19:06,026 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96a8424-a9fe-49cf-ba62-20cc010be06f/sv-benchmarks/c/list-ext-properties/simple-ext.i [2024-11-13 23:19:06,040 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96a8424-a9fe-49cf-ba62-20cc010be06f/bin/ukojak-verify-EEHR8qb7sm/data/5ce98ed63/73a3d63d5a5a440a803668e4a6caf89b/FLAGf7fd1d122 [2024-11-13 23:19:06,056 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96a8424-a9fe-49cf-ba62-20cc010be06f/bin/ukojak-verify-EEHR8qb7sm/data/5ce98ed63/73a3d63d5a5a440a803668e4a6caf89b [2024-11-13 23:19:06,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:19:06,061 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:19:06,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:19:06,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:19:06,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:19:06,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:19:06" (1/1) ... [2024-11-13 23:19:06,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b4b2a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:06, skipping insertion in model container [2024-11-13 23:19:06,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:19:06" (1/1) ... [2024-11-13 23:19:06,099 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:19:06,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:19:06,477 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:19:06,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:19:06,575 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:19:06,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:06 WrapperNode [2024-11-13 23:19:06,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:19:06,577 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:19:06,577 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:19:06,578 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:19:06,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:06" (1/1) ... [2024-11-13 23:19:06,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:06" (1/1) ... [2024-11-13 23:19:06,625 INFO L138 Inliner]: procedures = 124, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2024-11-13 23:19:06,627 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:19:06,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:19:06,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:19:06,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:19:06,635 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:06" (1/1) ... [2024-11-13 23:19:06,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:06" (1/1) ... [2024-11-13 23:19:06,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:06" (1/1) ... [2024-11-13 23:19:06,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:06" (1/1) ... [2024-11-13 23:19:06,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:06" (1/1) ... [2024-11-13 23:19:06,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:06" (1/1) ... [2024-11-13 23:19:06,660 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:06" (1/1) ... [2024-11-13 23:19:06,661 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:06" (1/1) ... [2024-11-13 23:19:06,666 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:19:06,667 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:19:06,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:19:06,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:19:06,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:06" (1/1) ... [2024-11-13 23:19:06,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:19:06,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96a8424-a9fe-49cf-ba62-20cc010be06f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:19:06,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96a8424-a9fe-49cf-ba62-20cc010be06f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:19:06,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96a8424-a9fe-49cf-ba62-20cc010be06f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:19:06,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:19:06,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:19:06,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 23:19:06,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:19:06,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 23:19:06,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 23:19:06,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:19:06,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:19:06,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:19:06,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:19:06,911 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:19:06,913 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:19:07,140 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 23:19:07,141 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:19:07,181 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:19:07,181 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 23:19:07,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:19:07 BoogieIcfgContainer [2024-11-13 23:19:07,182 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:19:07,183 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:19:07,183 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:19:07,197 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:19:07,197 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:19:07" (1/1) ... [2024-11-13 23:19:07,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:19:07,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:07,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-13 23:19:07,271 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-13 23:19:07,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:19:07,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:07,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:07,468 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 23:19:07,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:07,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-11-13 23:19:07,513 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-11-13 23:19:07,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:19:07,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:07,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:07,748 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 23:19:07,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:07,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-13 23:19:07,844 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-13 23:19:07,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:19:07,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:07,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:19:07,892 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:19:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:19:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:19:07,994 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:19:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:19:08,024 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-13 23:19:08,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:19:08 ImpRootNode [2024-11-13 23:19:08,058 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:19:08,059 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:19:08,059 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:19:08,059 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:19:08,060 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:19:07" (3/4) ... [2024-11-13 23:19:08,061 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 23:19:08,110 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96a8424-a9fe-49cf-ba62-20cc010be06f/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:19:08,110 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:19:08,111 INFO L158 Benchmark]: Toolchain (without parser) took 2050.43ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 50.4MB in the end (delta: 67.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-13 23:19:08,111 INFO L158 Benchmark]: CDTParser took 1.38ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:19:08,111 INFO L158 Benchmark]: CACSL2BoogieTranslator took 514.47ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 101.0MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:19:08,112 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.13ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 99.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:19:08,116 INFO L158 Benchmark]: Boogie Preprocessor took 38.28ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 98.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:19:08,117 INFO L158 Benchmark]: RCFGBuilder took 515.18ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 83.3MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:19:08,117 INFO L158 Benchmark]: CodeCheck took 875.75ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 52.5MB in the end (delta: 30.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 23:19:08,117 INFO L158 Benchmark]: Witness Printer took 51.29ms. Allocated memory is still 142.6MB. Free memory was 52.5MB in the beginning and 50.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:19:08,119 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 18 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - CounterExampleResult [Line: 12]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L532] List a = (List) malloc(sizeof(struct node)); [L533] COND FALSE !(a == 0) [L534] List t; [L535] List p = a; [L536] int i = 0; VAL [a={3024:0}, i=0, p={3024:0}] [L537] i < 30 && __VERIFIER_nondet_int() [L537] i < 30 && __VERIFIER_nondet_int() VAL [a={3024:0}, i=0, p={3024:0}] [L537] COND FALSE !(i < 30 && __VERIFIER_nondet_int()) [L545] p->h = i [L546] p->n = 0 [L547] p = a [L548] i = 0 VAL [a={3024:0}, i=0, p={3024:0}] [L549] COND TRUE p!=0 [L550] EXPR p->h VAL [a={3024:0}, i=0, p={3024:0}] [L550] COND TRUE p->h != 1 [L551] CALL reach_error() [L12] COND FALSE !(0) [L12] __assert_fail ("0", "simple-ext.c", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.38ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 514.47ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 101.0MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.13ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 99.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.28ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 98.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 515.18ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 83.3MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 875.75ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 52.5MB in the end (delta: 30.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 51.29ms. Allocated memory is still 142.6MB. Free memory was 52.5MB in the beginning and 50.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 23:19:08,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96a8424-a9fe-49cf-ba62-20cc010be06f/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup)