./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_98bc394d-ed13-4e14-89e3-3a69ff3fe6e1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bc394d-ed13-4e14-89e3-3a69ff3fe6e1/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_98bc394d-ed13-4e14-89e3-3a69ff3fe6e1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bc394d-ed13-4e14-89e3-3a69ff3fe6e1/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bc394d-ed13-4e14-89e3-3a69ff3fe6e1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bc394d-ed13-4e14-89e3-3a69ff3fe6e1/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 64bit --witnessprinter.graph.data.programhash 33d006375056e7e3c58d58b776bed0fedce081ec4ff9e691f038a741177fe7dd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:12:11,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:12:11,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bc394d-ed13-4e14-89e3-3a69ff3fe6e1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-11-13 22:12:11,128 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:12:11,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:12:11,156 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:12:11,159 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:12:11,159 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:12:11,160 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:12:11,160 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:12:11,161 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:12:11,161 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 22:12:11,161 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 22:12:11,161 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 22:12:11,162 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:12:11,162 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:12:11,163 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:12:11,163 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:12:11,163 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:12:11,164 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:12:11,164 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:12:11,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:12:11,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:12:11,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:12:11,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:12:11,164 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:12:11,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:12:11,164 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_98bc394d-ed13-4e14-89e3-3a69ff3fe6e1/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33d006375056e7e3c58d58b776bed0fedce081ec4ff9e691f038a741177fe7dd [2024-11-13 22:12:11,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:12:11,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:12:11,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:12:11,532 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:12:11,533 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:12:11,535 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bc394d-ed13-4e14-89e3-3a69ff3fe6e1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i Unable to find full path for "g++" [2024-11-13 22:12:13,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:12:13,668 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:12:13,668 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bc394d-ed13-4e14-89e3-3a69ff3fe6e1/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i [2024-11-13 22:12:13,685 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bc394d-ed13-4e14-89e3-3a69ff3fe6e1/bin/ukojak-verify-EEHR8qb7sm/data/c4cea2719/b9ad251f82154b9ba4d78703a923d08b/FLAG2d3114af7 [2024-11-13 22:12:13,958 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bc394d-ed13-4e14-89e3-3a69ff3fe6e1/bin/ukojak-verify-EEHR8qb7sm/data/c4cea2719/b9ad251f82154b9ba4d78703a923d08b [2024-11-13 22:12:13,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:12:13,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:12:13,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:12:13,966 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:12:13,971 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:12:13,972 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:12:13" (1/1) ... [2024-11-13 22:12:13,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71228ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:13, skipping insertion in model container [2024-11-13 22:12:13,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:12:13" (1/1) ... [2024-11-13 22:12:13,991 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:12:14,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:12:14,172 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:12:14,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:12:14,201 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:12:14,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:14 WrapperNode [2024-11-13 22:12:14,202 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:12:14,203 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:12:14,203 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:12:14,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:12:14,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:14" (1/1) ... [2024-11-13 22:12:14,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:14" (1/1) ... [2024-11-13 22:12:14,234 INFO L138 Inliner]: procedures = 11, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-11-13 22:12:14,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:12:14,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:12:14,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:12:14,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:12:14,242 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:14" (1/1) ... [2024-11-13 22:12:14,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:14" (1/1) ... [2024-11-13 22:12:14,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:14" (1/1) ... [2024-11-13 22:12:14,244 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:14" (1/1) ... [2024-11-13 22:12:14,252 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:14" (1/1) ... [2024-11-13 22:12:14,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:14" (1/1) ... [2024-11-13 22:12:14,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:14" (1/1) ... [2024-11-13 22:12:14,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:14" (1/1) ... [2024-11-13 22:12:14,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:12:14,267 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:12:14,267 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:12:14,267 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:12:14,268 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:14" (1/1) ... [2024-11-13 22:12:14,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:12:14,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bc394d-ed13-4e14-89e3-3a69ff3fe6e1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:12:14,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bc394d-ed13-4e14-89e3-3a69ff3fe6e1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:12:14,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bc394d-ed13-4e14-89e3-3a69ff3fe6e1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:12:14,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:12:14,345 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2024-11-13 22:12:14,345 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2024-11-13 22:12:14,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 22:12:14,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:12:14,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:12:14,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:12:14,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:12:14,440 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:12:14,442 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:12:14,730 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-13 22:12:14,730 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:12:14,783 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:12:14,784 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:12:14,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:12:14 BoogieIcfgContainer [2024-11-13 22:12:14,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:12:14,785 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:12:14,785 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:12:14,799 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:12:14,799 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:12:14" (1/1) ... [2024-11-13 22:12:14,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:12:14,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:14,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2024-11-13 22:12:14,880 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2024-11-13 22:12:14,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:12:14,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:14,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:15,115 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 22:12:15,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:15,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 33 states and 35 transitions. [2024-11-13 22:12:15,155 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2024-11-13 22:12:15,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:12:15,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:15,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:15,308 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 22:12:15,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:15,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 32 states and 34 transitions. [2024-11-13 22:12:15,452 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2024-11-13 22:12:15,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:12:15,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:15,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:15,503 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 22:12:15,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:15,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 34 states and 37 transitions. [2024-11-13 22:12:15,543 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2024-11-13 22:12:15,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:12:15,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:15,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:15,723 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 22:12:15,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:15,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 36 states and 40 transitions. [2024-11-13 22:12:15,841 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2024-11-13 22:12:15,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:12:15,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:15,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:16,111 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 22:12:16,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:16,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 43 transitions. [2024-11-13 22:12:16,818 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2024-11-13 22:12:16,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:12:16,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:16,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:16,864 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 22:12:16,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:16,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 42 transitions. [2024-11-13 22:12:16,886 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2024-11-13 22:12:16,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:12:16,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:16,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:17,113 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 22:12:17,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:17,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 46 transitions. [2024-11-13 22:12:17,455 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2024-11-13 22:12:17,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:12:17,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:17,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:17,486 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 22:12:17,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:17,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 45 transitions. [2024-11-13 22:12:17,505 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2024-11-13 22:12:17,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:12:17,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:17,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:17,586 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 22:12:17,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:17,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 46 transitions. [2024-11-13 22:12:17,602 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2024-11-13 22:12:17,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:12:17,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:17,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:17,628 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 22:12:17,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:17,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 45 transitions. [2024-11-13 22:12:17,650 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2024-11-13 22:12:17,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:12:17,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:17,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:17,718 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 22:12:17,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:17,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 46 transitions. [2024-11-13 22:12:17,741 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2024-11-13 22:12:17,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:12:17,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:17,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:17,783 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 22:12:17,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:17,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 46 transitions. [2024-11-13 22:12:17,799 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2024-11-13 22:12:17,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:12:17,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:17,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:17,996 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 22:12:19,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:19,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 46 states and 54 transitions. [2024-11-13 22:12:19,206 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2024-11-13 22:12:19,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:12:19,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:19,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:19,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:12:19,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:19,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 43 states and 50 transitions. [2024-11-13 22:12:19,300 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2024-11-13 22:12:19,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:12:19,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:19,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:19,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:12:19,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:19,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 56 transitions. [2024-11-13 22:12:19,857 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2024-11-13 22:12:19,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:12:19,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:19,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:19,881 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 22:12:20,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:20,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 55 transitions. [2024-11-13 22:12:20,290 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2024-11-13 22:12:20,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:12:20,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:20,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:20,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 22:12:20,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:20,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 26 transitions. [2024-11-13 22:12:20,411 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-11-13 22:12:20,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:12:20,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:20,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:20,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:12:23,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:23,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 28 states and 35 transitions. [2024-11-13 22:12:23,164 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-13 22:12:23,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:12:23,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:23,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:23,341 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:12:23,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:23,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 20 states and 22 transitions. [2024-11-13 22:12:23,458 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-13 22:12:23,459 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:12:23,459 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2024-11-13 22:12:23,473 INFO L729 CodeCheckObserver]: All specifications hold 14 specifications checked. All of them hold [2024-11-13 22:12:23,647 INFO L75 FloydHoareUtils]: For program point recErr5ASSERT_VIOLATIONMEMORY_FREE(line 11) no Hoare annotation was computed. [2024-11-13 22:12:23,648 INFO L77 FloydHoareUtils]: At program point L15(line 15) the Hoare annotation is: (and (= (select |#length| rec_~p.base) 4) (= |rec_#in~p.base| rec_~p.base) (= (select |#valid| rec_~p.base) 1) (= rec_~p.offset 0) (= |old(#valid)| |#valid|) (<= (+ rec_~p.base 1) |#StackHeapBarrier|)) [2024-11-13 22:12:23,648 INFO L77 FloydHoareUtils]: At program point L15-1(line 15) the Hoare annotation is: true [2024-11-13 22:12:23,648 INFO L77 FloydHoareUtils]: At program point L11(line 11) the Hoare annotation is: (and (= |rec_#in~p.base| rec_~p.base) (= (select |#valid| rec_~p.base) 1) (= rec_~p.offset 0) (= |old(#valid)| |#valid|) (<= (+ rec_~p.base 1) |#StackHeapBarrier|)) [2024-11-13 22:12:23,648 INFO L77 FloydHoareUtils]: At program point L11-1(line 11) the Hoare annotation is: (and (= |rec_#in~p.base| rec_~p.base) (= (select |#valid| rec_~p.base) 1) (= |old(#valid)| |#valid|) (<= (+ rec_~p.base 1) |#StackHeapBarrier|)) [2024-11-13 22:12:23,648 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 8 16) the Hoare annotation is: (and (<= (+ |rec_#in~p.base| 1) |#StackHeapBarrier|) (= (select |#length| |rec_#in~p.base|) 4) (= (select |#valid| |rec_#in~p.base|) 1) (= |old(#valid)| |#valid|) (= |rec_#in~p.offset| 0)) [2024-11-13 22:12:23,649 INFO L77 FloydHoareUtils]: At program point L9(line 9) the Hoare annotation is: (and (= (select |#length| rec_~p.base) 4) (= |rec_#in~p.base| rec_~p.base) (= (select |#valid| rec_~p.base) 1) (= rec_~p.offset 0) (= |old(#valid)| |#valid|) (<= (+ rec_~p.base 1) |#StackHeapBarrier|)) [2024-11-13 22:12:23,649 INFO L75 FloydHoareUtils]: For program point recErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-13 22:12:23,649 INFO L77 FloydHoareUtils]: At program point L11-2(line 11) the Hoare annotation is: (and (= |rec_#in~p.base| rec_~p.base) (= (select |#valid| rec_~p.base) 1) (= |old(#valid)| |#valid|)) [2024-11-13 22:12:23,649 INFO L77 FloydHoareUtils]: At program point L9-1(lines 9 13) the Hoare annotation is: (and (= (select |#length| rec_~p.base) 4) (= |rec_#in~p.base| rec_~p.base) (= (select |#valid| rec_~p.base) 1) (= rec_~p.offset 0) (= |old(#valid)| |#valid|) (<= (+ rec_~p.base 1) |#StackHeapBarrier|)) [2024-11-13 22:12:23,649 INFO L77 FloydHoareUtils]: At program point recEXIT(lines 8 16) the Hoare annotation is: true [2024-11-13 22:12:23,649 INFO L75 FloydHoareUtils]: For program point recErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-13 22:12:23,649 INFO L75 FloydHoareUtils]: For program point recErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-13 22:12:23,649 INFO L75 FloydHoareUtils]: For program point recErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-13 22:12:23,649 INFO L75 FloydHoareUtils]: For program point recErr4ASSERT_VIOLATIONMEMORY_FREE(line 11) no Hoare annotation was computed. [2024-11-13 22:12:23,650 INFO L75 FloydHoareUtils]: For program point recErr6ASSERT_VIOLATIONMEMORY_FREE(line 11) no Hoare annotation was computed. [2024-11-13 22:12:23,652 INFO L77 FloydHoareUtils]: At program point L14(line 14) the Hoare annotation is: (and (= (select |#length| rec_~p.base) 4) (= |rec_#in~p.base| rec_~p.base) (= (select |#valid| rec_~p.base) 1) (= rec_~p.offset 0) (= |old(#valid)| |#valid|) (<= (+ rec_~p.base 1) |#StackHeapBarrier|)) [2024-11-13 22:12:23,652 INFO L77 FloydHoareUtils]: At program point L14-2(line 14) the Hoare annotation is: (and (= (select |#length| rec_~p.base) 4) (= |rec_#in~p.base| rec_~p.base) (= (select |#valid| rec_~p.base) 1) (= rec_~p.offset 0) (= |old(#valid)| |#valid|) (<= (+ rec_~p.base 1) |#StackHeapBarrier|)) [2024-11-13 22:12:23,652 INFO L77 FloydHoareUtils]: At program point recFINAL(lines 8 16) the Hoare annotation is: true [2024-11-13 22:12:23,652 INFO L77 FloydHoareUtils]: At program point L10(line 10) the Hoare annotation is: (and (<= 4 (select |#length| rec_~p.base)) (= |rec_#in~p.base| rec_~p.base) (= (select |#valid| rec_~p.base) 1) (= rec_~p.offset 0) (= |old(#valid)| |#valid|) (<= (+ rec_~p.base 1) |#StackHeapBarrier|)) [2024-11-13 22:12:23,652 INFO L75 FloydHoareUtils]: For program point recErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-13 22:12:23,653 INFO L75 FloydHoareUtils]: For program point recErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-13 22:12:23,653 INFO L75 FloydHoareUtils]: For program point recErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-13 22:12:23,653 INFO L75 FloydHoareUtils]: For program point recErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-13 22:12:23,653 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-13 22:12:23,653 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:12:23,653 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-13 22:12:23,653 INFO L77 FloydHoareUtils]: At program point L23(line 23) the Hoare annotation is: (and (= (select |#length| |ULTIMATE.start_main_~op~0#1.base|) 4) (= (select |#valid| |ULTIMATE.start_main_~op~0#1.base|) 1) (= |ULTIMATE.start_main_~op~0#1.offset| 0) (<= (+ |ULTIMATE.start_main_~op~0#1.base| 1) |#StackHeapBarrier|)) [2024-11-13 22:12:23,653 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: (and (= (select |#length| |ULTIMATE.start_main_~op~0#1.base|) 4) (= (select |#valid| |ULTIMATE.start_main_~op~0#1.base|) 1) (= |ULTIMATE.start_main_~op~0#1.offset| 0) (<= (+ |ULTIMATE.start_main_~op~0#1.base| 1) |#StackHeapBarrier|)) [2024-11-13 22:12:23,653 INFO L77 FloydHoareUtils]: At program point L23-1(line 23) the Hoare annotation is: true [2024-11-13 22:12:23,654 INFO L77 FloydHoareUtils]: At program point L20-2(lines 20 24) the Hoare annotation is: true [2024-11-13 22:12:23,654 INFO L77 FloydHoareUtils]: At program point L18(lines 18 25) the Hoare annotation is: true [2024-11-13 22:12:23,654 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK(lines 18 25) the Hoare annotation is: true [2024-11-13 22:12:23,654 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:12:23,685 WARN L162 FloydHoareUtils]: Requires clause for rec contained old-variable. Original clause: (and (<= (+ |rec_#in~p.base| 1) |#StackHeapBarrier|) (= (select |#length| |rec_#in~p.base|) 4) (= (select |#valid| |rec_#in~p.base|) 1) (= |old(#valid)| |#valid|) (= |rec_#in~p.offset| 0)) Eliminated clause: (and (<= (+ |rec_#in~p.base| 1) |#StackHeapBarrier|) (= (select |#length| |rec_#in~p.base|) 4) (= (select |#valid| |rec_#in~p.base|) 1) (= |rec_#in~p.offset| 0)) [2024-11-13 22:12:23,692 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~p!base [2024-11-13 22:12:23,694 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 22:12:23,694 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 22:12:23,695 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 22:12:23,695 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 22:12:23,695 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 22:12:23,695 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~p!offset [2024-11-13 22:12:23,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:12:23 ImpRootNode [2024-11-13 22:12:23,698 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:12:23,698 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:12:23,698 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:12:23,699 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:12:23,699 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:12:14" (3/4) ... [2024-11-13 22:12:23,702 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:12:23,705 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure rec [2024-11-13 22:12:23,710 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-13 22:12:23,710 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 22:12:23,711 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 22:12:23,711 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:12:23,791 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bc394d-ed13-4e14-89e3-3a69ff3fe6e1/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:12:23,791 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bc394d-ed13-4e14-89e3-3a69ff3fe6e1/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:12:23,792 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:12:23,793 INFO L158 Benchmark]: Toolchain (without parser) took 9830.35ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 119.2MB in the beginning and 192.2MB in the end (delta: -73.0MB). Peak memory consumption was 197.7MB. Max. memory is 16.1GB. [2024-11-13 22:12:23,793 INFO L158 Benchmark]: CDTParser took 1.05ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:12:23,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.12ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 108.8MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:12:23,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.74ms. Allocated memory is still 142.6MB. Free memory was 108.8MB in the beginning and 108.0MB in the end (delta: 837.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:12:23,794 INFO L158 Benchmark]: Boogie Preprocessor took 31.00ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 107.2MB in the end (delta: 534.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:12:23,794 INFO L158 Benchmark]: RCFGBuilder took 517.73ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 93.8MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:12:23,795 INFO L158 Benchmark]: CodeCheck took 8912.40ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 93.8MB in the beginning and 196.3MB in the end (delta: -102.6MB). Peak memory consumption was 172.5MB. Max. memory is 16.1GB. [2024-11-13 22:12:23,795 INFO L158 Benchmark]: Witness Printer took 93.82ms. Allocated memory is still 419.4MB. Free memory was 196.3MB in the beginning and 192.2MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:12:23,802 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 2 procedures, 34 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 8.6s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 656 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 517 mSDsluCounter, 556 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 292 mSDsCounter, 601 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1848 IncrementalHoareTripleChecker+Invalid, 2449 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 601 mSolverCounterUnsat, 264 mSDtfsCounter, 1848 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1580 GetRequests, 1425 SyntacticMatches, 35 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5176 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 804 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 14/14 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 - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 11]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 11]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 11]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 14 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.12ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 108.8MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.74ms. Allocated memory is still 142.6MB. Free memory was 108.8MB in the beginning and 108.0MB in the end (delta: 837.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.00ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 107.2MB in the end (delta: 534.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 517.73ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 93.8MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 8912.40ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 93.8MB in the beginning and 196.3MB in the end (delta: -102.6MB). Peak memory consumption was 172.5MB. Max. memory is 16.1GB. * Witness Printer took 93.82ms. Allocated memory is still 419.4MB. Free memory was 196.3MB in the beginning and 192.2MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~p!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~p!offset RESULT: Ultimate proved your program to be correct! [2024-11-13 22:12:23,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bc394d-ed13-4e14-89e3-3a69ff3fe6e1/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 Result: TRUE