./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/StructInitialization.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9fade05d-b938-4e02-9642-c1c5b72e3616/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9fade05d-b938-4e02-9642-c1c5b72e3616/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9fade05d-b938-4e02-9642-c1c5b72e3616/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9fade05d-b938-4e02-9642-c1c5b72e3616/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9fade05d-b938-4e02-9642-c1c5b72e3616/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9fade05d-b938-4e02-9642-c1c5b72e3616/bin/ukojak --witnessprinter.witness.filename witness.graphml --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 09aab7ee021274328a236afeda27749aba561ee0 ............................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:35:08,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:35:08,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:35:08,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:35:08,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:35:08,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:35:08,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:35:08,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:35:08,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:35:08,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:35:08,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:35:08,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:35:08,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:35:08,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:35:08,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:35:08,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:35:08,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:35:08,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:35:08,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:35:08,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:35:08,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:35:08,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:35:08,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:35:08,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:35:08,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:35:08,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:35:08,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:35:08,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:35:08,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:35:08,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:35:08,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:35:08,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:35:08,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:35:08,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:35:08,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:35:08,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:35:08,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:35:08,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:35:08,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:35:08,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:35:08,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:35:08,464 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9fade05d-b938-4e02-9642-c1c5b72e3616/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-11-30 00:35:08,498 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:35:08,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:35:08,501 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:35:08,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:35:08,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:35:08,502 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:35:08,503 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:35:08,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:35:08,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:35:08,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:35:08,507 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 00:35:08,508 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 00:35:08,508 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 00:35:08,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:35:08,509 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:35:08,510 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:35:08,510 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:35:08,511 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:35:08,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:35:08,512 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:35:08,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:35:08,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:35:08,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:35:08,514 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 00:35:08,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:35:08,515 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_9fade05d-b938-4e02-9642-c1c5b72e3616/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9fade05d-b938-4e02-9642-c1c5b72e3616/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09aab7ee021274328a236afeda27749aba561ee0 [2020-11-30 00:35:08,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:35:08,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:35:08,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:35:08,906 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:35:08,907 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:35:08,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9fade05d-b938-4e02-9642-c1c5b72e3616/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/StructInitialization.c [2020-11-30 00:35:09,006 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9fade05d-b938-4e02-9642-c1c5b72e3616/bin/ukojak/data/f390c6fc2/3d8b401b47e8433499cf56c16ea51ba9/FLAGccebeae5a [2020-11-30 00:35:09,735 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:35:09,736 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9fade05d-b938-4e02-9642-c1c5b72e3616/sv-benchmarks/c/ldv-memsafety/StructInitialization.c [2020-11-30 00:35:09,761 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9fade05d-b938-4e02-9642-c1c5b72e3616/bin/ukojak/data/f390c6fc2/3d8b401b47e8433499cf56c16ea51ba9/FLAGccebeae5a [2020-11-30 00:35:10,082 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9fade05d-b938-4e02-9642-c1c5b72e3616/bin/ukojak/data/f390c6fc2/3d8b401b47e8433499cf56c16ea51ba9 [2020-11-30 00:35:10,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:35:10,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:35:10,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:35:10,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:35:10,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:35:10,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36028137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10, skipping insertion in model container [2020-11-30 00:35:10,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:35:10,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:35:10,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:35:10,387 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:35:10,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:35:10,442 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:35:10,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10 WrapperNode [2020-11-30 00:35:10,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:35:10,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:35:10,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:35:10,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:35:10,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:35:10,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:35:10,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:35:10,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:35:10,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:35:10,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:35:10,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:35:10,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:35:10,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fade05d-b938-4e02-9642-c1c5b72e3616/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:35:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:35:10,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:35:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:35:11,284 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:35:11,284 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-11-30 00:35:11,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:11 BoogieIcfgContainer [2020-11-30 00:35:11,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:35:11,288 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 00:35:11,288 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 00:35:11,303 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 00:35:11,318 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:11" (1/1) ... [2020-11-30 00:35:11,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:11,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:11,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2020-11-30 00:35:11,409 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2020-11-30 00:35:11,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-11-30 00:35:11,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:11,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:11,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:11,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 3 states and 2 transitions. [2020-11-30 00:35:11,736 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states and 2 transitions. [2020-11-30 00:35:11,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:35:11,737 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2020-11-30 00:35:11,746 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 00:35:11,771 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-30 00:35:11,781 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-30 00:35:11,787 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-30 00:35:11,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 12:35:11 ImpRootNode [2020-11-30 00:35:11,790 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 00:35:11,794 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:35:11,794 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:35:11,795 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:35:11,796 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:11" (3/4) ... [2020-11-30 00:35:11,801 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:35:11,817 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 00:35:11,818 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 00:35:11,819 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:35:11,872 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-11-30 00:35:11,932 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9fade05d-b938-4e02-9642-c1c5b72e3616/bin/ukojak/witness.graphml [2020-11-30 00:35:11,933 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:35:11,936 INFO L168 Benchmark]: Toolchain (without parser) took 1847.33 ms. Allocated memory is still 109.1 MB. Free memory was 78.5 MB in the beginning and 51.0 MB in the end (delta: 27.5 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:11,936 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 77.6 MB. Free memory was 36.4 MB in the beginning and 36.3 MB in the end (delta: 36.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:35:11,937 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.96 ms. Allocated memory is still 109.1 MB. Free memory was 78.3 MB in the beginning and 86.7 MB in the end (delta: -8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:11,938 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.48 ms. Allocated memory is still 109.1 MB. Free memory was 86.7 MB in the beginning and 85.7 MB in the end (delta: 905.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:35:11,939 INFO L168 Benchmark]: Boogie Preprocessor took 57.88 ms. Allocated memory is still 109.1 MB. Free memory was 85.2 MB in the beginning and 84.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:35:11,940 INFO L168 Benchmark]: RCFGBuilder took 735.81 ms. Allocated memory is still 109.1 MB. Free memory was 84.0 MB in the beginning and 67.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:11,940 INFO L168 Benchmark]: CodeCheck took 502.24 ms. Allocated memory is still 109.1 MB. Free memory was 67.8 MB in the beginning and 55.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:11,941 INFO L168 Benchmark]: Witness Printer took 138.99 ms. Allocated memory is still 109.1 MB. Free memory was 55.8 MB in the beginning and 51.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:11,951 INFO L339 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, 4 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 3 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 93]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 93]: Loop Invariant [2020-11-30 00:35:11,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-30 00:35:11,956 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 77.6 MB. Free memory was 36.4 MB in the beginning and 36.3 MB in the end (delta: 36.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 354.96 ms. Allocated memory is still 109.1 MB. Free memory was 78.3 MB in the beginning and 86.7 MB in the end (delta: -8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.48 ms. Allocated memory is still 109.1 MB. Free memory was 86.7 MB in the beginning and 85.7 MB in the end (delta: 905.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.88 ms. Allocated memory is still 109.1 MB. Free memory was 85.2 MB in the beginning and 84.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 735.81 ms. Allocated memory is still 109.1 MB. Free memory was 84.0 MB in the beginning and 67.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 502.24 ms. Allocated memory is still 109.1 MB. Free memory was 67.8 MB in the beginning and 55.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 138.99 ms. Allocated memory is still 109.1 MB. Free memory was 55.8 MB in the beginning and 51.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...