./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa65e49-641a-434a-ba35-9349daa3e244/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa65e49-641a-434a-ba35-9349daa3e244/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa65e49-641a-434a-ba35-9349daa3e244/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa65e49-641a-434a-ba35-9349daa3e244/bin/ukojak-verify-CZk0znPC7b/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_5fa65e49-641a-434a-ba35-9349daa3e244/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa65e49-641a-434a-ba35-9349daa3e244/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 33d006375056e7e3c58d58b776bed0fedce081ec4ff9e691f038a741177fe7dd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:18:15,571 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:18:15,626 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa65e49-641a-434a-ba35-9349daa3e244/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-12-05 23:18:15,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:18:15,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:18:15,652 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:18:15,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:18:15,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:18:15,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:18:15,653 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:18:15,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:18:15,654 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 23:18:15,654 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 23:18:15,654 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 23:18:15,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:18:15,654 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:18:15,654 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:18:15,654 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:18:15,654 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:18:15,654 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:18:15,654 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:18:15,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:18:15,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:18:15,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:18:15,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:18:15,655 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:18:15,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:18:15,655 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_5fa65e49-641a-434a-ba35-9349daa3e244/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33d006375056e7e3c58d58b776bed0fedce081ec4ff9e691f038a741177fe7dd [2024-12-05 23:18:15,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:18:15,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:18:15,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:18:15,895 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:18:15,895 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:18:15,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa65e49-641a-434a-ba35-9349daa3e244/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i [2024-12-05 23:18:18,522 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa65e49-641a-434a-ba35-9349daa3e244/bin/ukojak-verify-CZk0znPC7b/data/c638970f2/02275165d93649eab21a3968802bcc8d/FLAG91aaf9e72 [2024-12-05 23:18:18,687 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:18:18,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa65e49-641a-434a-ba35-9349daa3e244/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i [2024-12-05 23:18:18,693 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa65e49-641a-434a-ba35-9349daa3e244/bin/ukojak-verify-CZk0znPC7b/data/c638970f2/02275165d93649eab21a3968802bcc8d/FLAG91aaf9e72 [2024-12-05 23:18:19,086 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa65e49-641a-434a-ba35-9349daa3e244/bin/ukojak-verify-CZk0znPC7b/data/c638970f2/02275165d93649eab21a3968802bcc8d [2024-12-05 23:18:19,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:18:19,089 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:18:19,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:18:19,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:18:19,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:18:19,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16db2dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19, skipping insertion in model container [2024-12-05 23:18:19,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,103 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:18:19,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:18:19,209 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:18:19,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:18:19,231 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:18:19,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19 WrapperNode [2024-12-05 23:18:19,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:18:19,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:18:19,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:18:19,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:18:19,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,252 INFO L138 Inliner]: procedures = 11, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-12-05 23:18:19,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:18:19,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:18:19,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:18:19,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:18:19,258 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,259 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,263 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,263 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,265 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,267 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:18:19,269 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:18:19,269 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:18:19,269 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:18:19,270 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:18:19,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa65e49-641a-434a-ba35-9349daa3e244/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:18:19,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa65e49-641a-434a-ba35-9349daa3e244/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:18:19,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa65e49-641a-434a-ba35-9349daa3e244/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:18:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 23:18:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2024-12-05 23:18:19,328 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2024-12-05 23:18:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 23:18:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:18:19,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:18:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 23:18:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 23:18:19,381 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:18:19,382 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:18:19,510 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-12-05 23:18:19,510 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:18:19,535 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:18:19,535 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:18:19,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:18:19 BoogieIcfgContainer [2024-12-05 23:18:19,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:18:19,536 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:18:19,536 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:18:19,546 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:18:19,546 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:18:19,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:19,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2024-12-05 23:18:19,596 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2024-12-05 23:18:19,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 23:18:19,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:19,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:19,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:19,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:19,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 33 states and 35 transitions. [2024-12-05 23:18:19,789 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2024-12-05 23:18:19,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 23:18:19,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:19,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:19,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:19,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:19,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 32 states and 34 transitions. [2024-12-05 23:18:19,968 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2024-12-05 23:18:19,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 23:18:19,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:19,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:19,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:20,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:20,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 34 states and 37 transitions. [2024-12-05 23:18:20,026 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2024-12-05 23:18:20,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:18:20,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:20,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:20,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:20,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:20,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 36 states and 40 transitions. [2024-12-05 23:18:20,191 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2024-12-05 23:18:20,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:18:20,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:20,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:20,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:20,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:20,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 43 transitions. [2024-12-05 23:18:20,804 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2024-12-05 23:18:20,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:18:20,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:20,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:20,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:20,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:20,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 42 transitions. [2024-12-05 23:18:20,841 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2024-12-05 23:18:20,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:18:20,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:20,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:20,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:21,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:21,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 46 transitions. [2024-12-05 23:18:21,224 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2024-12-05 23:18:21,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:18:21,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:21,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:21,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:21,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:21,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 45 transitions. [2024-12-05 23:18:21,257 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2024-12-05 23:18:21,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:18:21,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:21,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:21,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:21,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:21,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 46 transitions. [2024-12-05 23:18:21,311 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2024-12-05 23:18:21,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:18:21,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:21,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:21,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:21,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:21,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 45 transitions. [2024-12-05 23:18:21,343 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2024-12-05 23:18:21,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:18:21,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:21,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:21,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:21,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:21,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 46 transitions. [2024-12-05 23:18:21,391 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2024-12-05 23:18:21,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:18:21,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:21,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:21,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:21,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:21,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 46 transitions. [2024-12-05 23:18:21,432 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2024-12-05 23:18:21,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 23:18:21,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:21,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:21,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:22,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:22,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 46 states and 54 transitions. [2024-12-05 23:18:22,408 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2024-12-05 23:18:22,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:18:22,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:22,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:22,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:18:22,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:22,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 43 transitions. [2024-12-05 23:18:22,945 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2024-12-05 23:18:22,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:18:22,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:22,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:22,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:18:23,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:23,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 39 transitions. [2024-12-05 23:18:23,076 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2024-12-05 23:18:23,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:18:23,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:23,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:23,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:23,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:23,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 32 states and 38 transitions. [2024-12-05 23:18:23,384 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2024-12-05 23:18:23,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:18:23,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:23,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:23,439 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 23:18:23,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:23,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 29 transitions. [2024-12-05 23:18:23,833 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-12-05 23:18:23,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:18:23,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:23,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:24,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:18:25,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:25,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 35 states and 46 transitions. [2024-12-05 23:18:25,754 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2024-12-05 23:18:25,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:18:25,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:25,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:25,889 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:18:26,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:26,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 22 states and 25 transitions. [2024-12-05 23:18:26,456 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-12-05 23:18:26,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 23:18:26,457 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2024-12-05 23:18:26,465 INFO L726 CodeCheckObserver]: All specifications hold 14 specifications checked. All of them hold [2024-12-05 23:18:26,680 INFO L75 FloydHoareUtils]: For program point recErr5ASSERT_VIOLATIONMEMORY_FREE(line 11) no Hoare annotation was computed. [2024-12-05 23:18:26,680 INFO L77 FloydHoareUtils]: At program point L15(line 15) 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|)) [2024-12-05 23:18:26,680 INFO L77 FloydHoareUtils]: At program point L15-1(line 15) the Hoare annotation is: true [2024-12-05 23:18:26,680 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|)) [2024-12-05 23:18:26,680 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|)) [2024-12-05 23:18:26,680 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 8 16) the Hoare annotation is: (and (<= (+ |rec_#in~p.base| 1) |#StackHeapBarrier|) (<= 4 (select |#length| |rec_#in~p.base|)) (= (select |#valid| |rec_#in~p.base|) 1) (= |old(#valid)| |#valid|) (= |rec_#in~p.offset| 0)) [2024-12-05 23:18:26,681 INFO L77 FloydHoareUtils]: At program point L9(line 9) 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|)) [2024-12-05 23:18:26,681 INFO L75 FloydHoareUtils]: For program point recErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-05 23:18:26,681 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|)) [2024-12-05 23:18:26,681 INFO L77 FloydHoareUtils]: At program point L9-1(lines 9 13) 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|)) [2024-12-05 23:18:26,681 INFO L77 FloydHoareUtils]: At program point recEXIT(lines 8 16) the Hoare annotation is: true [2024-12-05 23:18:26,681 INFO L75 FloydHoareUtils]: For program point recErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-05 23:18:26,681 INFO L75 FloydHoareUtils]: For program point recErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-05 23:18:26,681 INFO L75 FloydHoareUtils]: For program point recErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-05 23:18:26,681 INFO L75 FloydHoareUtils]: For program point recErr4ASSERT_VIOLATIONMEMORY_FREE(line 11) no Hoare annotation was computed. [2024-12-05 23:18:26,682 INFO L75 FloydHoareUtils]: For program point recErr6ASSERT_VIOLATIONMEMORY_FREE(line 11) no Hoare annotation was computed. [2024-12-05 23:18:26,682 INFO L77 FloydHoareUtils]: At program point L14(line 14) 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|)) [2024-12-05 23:18:26,682 INFO L77 FloydHoareUtils]: At program point L14-2(line 14) 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|)) [2024-12-05 23:18:26,682 INFO L77 FloydHoareUtils]: At program point recFINAL(lines 8 16) the Hoare annotation is: true [2024-12-05 23:18:26,682 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|)) [2024-12-05 23:18:26,682 INFO L75 FloydHoareUtils]: For program point recErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-05 23:18:26,682 INFO L75 FloydHoareUtils]: For program point recErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-05 23:18:26,682 INFO L75 FloydHoareUtils]: For program point recErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-05 23:18:26,682 INFO L75 FloydHoareUtils]: For program point recErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-05 23:18:26,682 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-05 23:18:26,682 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 23:18:26,683 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-05 23:18:26,683 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|)) [2024-12-05 23:18:26,683 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|)) [2024-12-05 23:18:26,683 INFO L77 FloydHoareUtils]: At program point L23-1(line 23) the Hoare annotation is: true [2024-12-05 23:18:26,683 INFO L77 FloydHoareUtils]: At program point L18(lines 18 25) the Hoare annotation is: true [2024-12-05 23:18:26,683 INFO L77 FloydHoareUtils]: At program point L20-3(lines 20 24) the Hoare annotation is: true [2024-12-05 23:18:26,683 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK(lines 18 25) the Hoare annotation is: true [2024-12-05 23:18:26,683 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 23:18:26,699 WARN L162 FloydHoareUtils]: Requires clause for rec contained old-variable. Original clause: (and (<= (+ |rec_#in~p.base| 1) |#StackHeapBarrier|) (<= 4 (select |#length| |rec_#in~p.base|)) (= (select |#valid| |rec_#in~p.base|) 1) (= |old(#valid)| |#valid|) (= |rec_#in~p.offset| 0)) Eliminated clause: (and (<= (+ |rec_#in~p.base| 1) |#StackHeapBarrier|) (<= 4 (select |#length| |rec_#in~p.base|)) (= (select |#valid| |rec_#in~p.base|) 1) (= |rec_#in~p.offset| 0)) [2024-12-05 23:18:26,703 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~p!base [2024-12-05 23:18:26,704 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-12-05 23:18:26,704 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-12-05 23:18:26,704 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-12-05 23:18:26,704 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-12-05 23:18:26,704 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-12-05 23:18:26,704 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~p!offset [2024-12-05 23:18:26,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:18:26 ImpRootNode [2024-12-05 23:18:26,706 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:18:26,707 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:18:26,707 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:18:26,707 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:18:26,707 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:18:19" (3/4) ... [2024-12-05 23:18:26,709 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 23:18:26,711 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure rec [2024-12-05 23:18:26,714 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-12-05 23:18:26,715 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-05 23:18:26,715 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-05 23:18:26,715 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 23:18:26,769 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa65e49-641a-434a-ba35-9349daa3e244/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:18:26,770 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa65e49-641a-434a-ba35-9349daa3e244/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:18:26,770 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:18:26,771 INFO L158 Benchmark]: Toolchain (without parser) took 7681.19ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 117.6MB in the beginning and 215.0MB in the end (delta: -97.4MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2024-12-05 23:18:26,771 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:18:26,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 142.12ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 107.3MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:18:26,772 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.04ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:18:26,772 INFO L158 Benchmark]: Boogie Preprocessor took 15.50ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.3MB in the end (delta: 877.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:18:26,772 INFO L158 Benchmark]: RCFGBuilder took 266.56ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 91.8MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:18:26,773 INFO L158 Benchmark]: CodeCheck took 7170.10ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 91.8MB in the beginning and 220.1MB in the end (delta: -128.3MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2024-12-05 23:18:26,773 INFO L158 Benchmark]: Witness Printer took 63.00ms. Allocated memory is still 302.0MB. Free memory was 220.1MB in the beginning and 215.0MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:18:26,775 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: 6.9s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 643 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 504 mSDsluCounter, 493 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 248 mSDsCounter, 640 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1957 IncrementalHoareTripleChecker+Invalid, 2597 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 640 mSolverCounterUnsat, 245 mSDtfsCounter, 1957 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1610 GetRequests, 1437 SyntacticMatches, 31 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7419 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 808 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, ConComCheckerStatistics: 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 0.31ms. Allocated memory is still 142.6MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 142.12ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 107.3MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.04ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.50ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.3MB in the end (delta: 877.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 266.56ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 91.8MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 7170.10ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 91.8MB in the beginning and 220.1MB in the end (delta: -128.3MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Witness Printer took 63.00ms. Allocated memory is still 302.0MB. Free memory was 220.1MB in the beginning and 215.0MB in the end (delta: 5.2MB). 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! [2024-12-05 23:18:26,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fa65e49-641a-434a-ba35-9349daa3e244/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE