./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51532b60-4323-4b13-af04-a55785fbc739/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51532b60-4323-4b13-af04-a55785fbc739/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_51532b60-4323-4b13-af04-a55785fbc739/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51532b60-4323-4b13-af04-a55785fbc739/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51532b60-4323-4b13-af04-a55785fbc739/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51532b60-4323-4b13-af04-a55785fbc739/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68fe5d136456ecb82ea00426715bf936d3e38ca581ddd26cec97e5010ad5777c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:35:26,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:35:26,465 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51532b60-4323-4b13-af04-a55785fbc739/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 20:35:26,475 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:35:26,475 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:35:26,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:35:26,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:35:26,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:35:26,507 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:35:26,507 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:35:26,508 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:35:26,508 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:35:26,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:35:26,508 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 20:35:26,508 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 20:35:26,509 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 20:35:26,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:35:26,509 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:35:26,509 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:35:26,509 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:35:26,510 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:35:26,510 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:35:26,510 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:35:26,510 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:35:26,510 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:35:26,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:35:26,511 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:35:26,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:35:26,511 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:35:26,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:35:26,512 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_51532b60-4323-4b13-af04-a55785fbc739/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68fe5d136456ecb82ea00426715bf936d3e38ca581ddd26cec97e5010ad5777c [2024-11-13 20:35:26,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:35:26,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:35:26,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:35:26,914 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:35:26,915 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:35:26,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51532b60-4323-4b13-af04-a55785fbc739/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c Unable to find full path for "g++" [2024-11-13 20:35:29,519 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:35:29,862 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:35:29,864 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51532b60-4323-4b13-af04-a55785fbc739/sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c [2024-11-13 20:35:29,872 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51532b60-4323-4b13-af04-a55785fbc739/bin/ukojak-verify-EEHR8qb7sm/data/4f1ce188e/f0e051ecc1dc4c3e8f9472e97ea3b645/FLAG7ebcb7d9d [2024-11-13 20:35:29,900 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51532b60-4323-4b13-af04-a55785fbc739/bin/ukojak-verify-EEHR8qb7sm/data/4f1ce188e/f0e051ecc1dc4c3e8f9472e97ea3b645 [2024-11-13 20:35:29,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:35:29,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:35:29,910 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:35:29,910 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:35:29,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:35:29,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:35:29" (1/1) ... [2024-11-13 20:35:29,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b97ef3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:29, skipping insertion in model container [2024-11-13 20:35:29,922 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:35:29" (1/1) ... [2024-11-13 20:35:29,938 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:35:30,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:35:30,159 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:35:30,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:35:30,200 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:35:30,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:30 WrapperNode [2024-11-13 20:35:30,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:35:30,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:35:30,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:35:30,202 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:35:30,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:30" (1/1) ... [2024-11-13 20:35:30,219 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:30" (1/1) ... [2024-11-13 20:35:30,241 INFO L138 Inliner]: procedures = 9, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-11-13 20:35:30,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:35:30,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:35:30,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:35:30,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:35:30,252 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:30" (1/1) ... [2024-11-13 20:35:30,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:30" (1/1) ... [2024-11-13 20:35:30,254 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:30" (1/1) ... [2024-11-13 20:35:30,256 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:30" (1/1) ... [2024-11-13 20:35:30,267 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:30" (1/1) ... [2024-11-13 20:35:30,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:30" (1/1) ... [2024-11-13 20:35:30,273 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:30" (1/1) ... [2024-11-13 20:35:30,277 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:30" (1/1) ... [2024-11-13 20:35:30,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:35:30,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:35:30,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:35:30,280 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:35:30,281 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:30" (1/1) ... [2024-11-13 20:35:30,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:35:30,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51532b60-4323-4b13-af04-a55785fbc739/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:35:30,327 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51532b60-4323-4b13-af04-a55785fbc739/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:35:30,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51532b60-4323-4b13-af04-a55785fbc739/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:35:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:35:30,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:35:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:35:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-13 20:35:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:35:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:35:30,462 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:35:30,464 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:35:30,652 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-13 20:35:30,652 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:35:30,699 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:35:30,700 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:35:30,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:30 BoogieIcfgContainer [2024-11-13 20:35:30,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:35:30,701 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:35:30,701 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:35:30,714 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:35:30,714 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:30" (1/1) ... [2024-11-13 20:35:30,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:35:30,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:30,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2024-11-13 20:35:30,783 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2024-11-13 20:35:30,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:35:30,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:30,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:35:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:35:31,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:35:31,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:31,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-13 20:35:31,109 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-13 20:35:31,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:35:31,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:31,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:35:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:35:31,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:35:31,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:31,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-13 20:35:31,587 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-13 20:35:31,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:35:31,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:31,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:35:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:35:31,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:35:32,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:32,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-13 20:35:32,016 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-13 20:35:32,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:35:32,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:32,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:35:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:35:32,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:35:32,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:32,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-13 20:35:32,179 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-13 20:35:32,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:35:32,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:32,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:35:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:35:32,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:35:32,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:32,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2024-11-13 20:35:32,879 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2024-11-13 20:35:32,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:35:32,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:32,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:35:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:35:33,293 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:35:34,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:34,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2024-11-13 20:35:34,287 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2024-11-13 20:35:34,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:35:34,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:34,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:35:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:35:34,648 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:35:35,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:35,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2024-11-13 20:35:35,469 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2024-11-13 20:35:35,469 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:35:35,469 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-13 20:35:35,485 INFO L729 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2024-11-13 20:35:35,555 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-13 20:35:35,556 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:35:35,556 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:35:35,556 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 12 17) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-11-13 20:35:35,557 INFO L77 FloydHoareUtils]: At program point L3-2(lines 3 8) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |ULTIMATE.start_areNatural_~numbers#1.base|))) (and (= |ULTIMATE.start_areNatural_~i~0#1| 0) (= (store |#valid| |ULTIMATE.start_main_~#numbers~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= 4 (select .cse0 4)) (= |ULTIMATE.start_areNatural_~numbers#1.offset| 0) (= (select .cse0 0) 0) (= 10 (select |#length| |ULTIMATE.start_areNatural_~numbers#1.base|)) (= (select |#valid| |ULTIMATE.start_areNatural_~numbers#1.base|) 1))) [2024-11-13 20:35:35,557 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-13 20:35:35,557 INFO L77 FloydHoareUtils]: At program point areNatural_returnLabel#1(lines 1 10) the Hoare annotation is: (= (store |#valid| |ULTIMATE.start_main_~#numbers~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) [2024-11-13 20:35:35,558 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK(lines 12 17) no Hoare annotation was computed. [2024-11-13 20:35:35,558 INFO L77 FloydHoareUtils]: At program point L4(line 4) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |ULTIMATE.start_areNatural_~numbers#1.base|))) (and (= |ULTIMATE.start_areNatural_~i~0#1| 0) (= (store |#valid| |ULTIMATE.start_main_~#numbers~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= 4 (select .cse0 4)) (= |ULTIMATE.start_areNatural_~numbers#1.offset| 0) (= (select .cse0 0) 0) (= 10 (select |#length| |ULTIMATE.start_areNatural_~numbers#1.base|)) (= (select |#valid| |ULTIMATE.start_areNatural_~numbers#1.base|) 1))) [2024-11-13 20:35:35,558 INFO L77 FloydHoareUtils]: At program point L4-1(lines 4 6) the Hoare annotation is: (and (= |ULTIMATE.start_areNatural_~i~0#1| 0) (= (store |#valid| |ULTIMATE.start_main_~#numbers~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= 4 (select (select |#memory_int| |ULTIMATE.start_areNatural_~numbers#1.base|) 4)) (= |ULTIMATE.start_areNatural_~numbers#1.offset| 0) (= |ULTIMATE.start_areNatural_#t~mem0#1| 0) (= 10 (select |#length| |ULTIMATE.start_areNatural_~numbers#1.base|)) (= (select |#valid| |ULTIMATE.start_areNatural_~numbers#1.base|) 1)) [2024-11-13 20:35:35,576 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-11-13 20:35:35,577 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-13 20:35:35,582 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 20:35:35,582 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 20:35:35,582 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~numbers!base,]]] [2024-11-13 20:35:35,583 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~numbers!offset [2024-11-13 20:35:35,583 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 20:35:35,583 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 20:35:35,583 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~numbers!base,]]] [2024-11-13 20:35:35,583 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 20:35:35,583 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 20:35:35,583 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 20:35:35,583 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 20:35:35,587 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-13 20:35:35,587 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 20:35:35,587 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-11-13 20:35:35,587 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-13 20:35:35,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:35:35 ImpRootNode [2024-11-13 20:35:35,593 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:35:35,594 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:35:35,598 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:35:35,598 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:35:35,599 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:30" (3/4) ... [2024-11-13 20:35:35,602 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:35:35,613 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 20:35:35,613 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 20:35:35,614 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 20:35:35,614 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:35:35,734 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51532b60-4323-4b13-af04-a55785fbc739/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:35:35,735 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51532b60-4323-4b13-af04-a55785fbc739/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:35:35,735 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:35:35,739 INFO L158 Benchmark]: Toolchain (without parser) took 5829.87ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 72.9MB in the end (delta: 10.4MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-11-13 20:35:35,739 INFO L158 Benchmark]: CDTParser took 1.33ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:35,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.55ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 72.4MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:35:35,740 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.51ms. Allocated memory is still 109.1MB. Free memory was 72.4MB in the beginning and 71.5MB in the end (delta: 846.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:35,741 INFO L158 Benchmark]: Boogie Preprocessor took 35.03ms. Allocated memory is still 109.1MB. Free memory was 71.5MB in the beginning and 70.7MB in the end (delta: 857.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:35,742 INFO L158 Benchmark]: RCFGBuilder took 420.39ms. Allocated memory is still 109.1MB. Free memory was 70.7MB in the beginning and 59.3MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:35:35,743 INFO L158 Benchmark]: CodeCheck took 4891.96ms. Allocated memory is still 109.1MB. Free memory was 59.3MB in the beginning and 77.6MB in the end (delta: -18.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:35,744 INFO L158 Benchmark]: Witness Printer took 141.29ms. Allocated memory is still 109.1MB. Free memory was 77.6MB in the beginning and 72.9MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:35:35,746 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 10 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 116 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 94 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70 mSDsCounter, 98 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 424 IncrementalHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 98 mSolverCounterUnsat, 24 mSDtfsCounter, 424 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 388 GetRequests, 328 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1084 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 250 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 9/14 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: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: (i == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.55ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 72.4MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.51ms. Allocated memory is still 109.1MB. Free memory was 72.4MB in the beginning and 71.5MB in the end (delta: 846.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.03ms. Allocated memory is still 109.1MB. Free memory was 71.5MB in the beginning and 70.7MB in the end (delta: 857.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 420.39ms. Allocated memory is still 109.1MB. Free memory was 70.7MB in the beginning and 59.3MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 4891.96ms. Allocated memory is still 109.1MB. Free memory was 59.3MB in the beginning and 77.6MB in the end (delta: -18.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 141.29ms. Allocated memory is still 109.1MB. Free memory was 77.6MB in the beginning and 72.9MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~numbers!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~numbers!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~numbers!base,]]] - 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: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 RESULT: Ultimate proved your program to be correct! [2024-11-13 20:35:35,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51532b60-4323-4b13-af04-a55785fbc739/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