./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/array01-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_570a1441-6423-4536-8910-7ba76048b8e8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_570a1441-6423-4536-8910-7ba76048b8e8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_570a1441-6423-4536-8910-7ba76048b8e8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_570a1441-6423-4536-8910-7ba76048b8e8/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/array01-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_570a1441-6423-4536-8910-7ba76048b8e8/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_570a1441-6423-4536-8910-7ba76048b8e8/bin-2019/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 9a031a295ba45c7116aee95a6abc238e63986cbf ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 13:54:57,591 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 13:54:57,592 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 13:54:57,600 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 13:54:57,600 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 13:54:57,600 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 13:54:57,601 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 13:54:57,602 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 13:54:57,603 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 13:54:57,604 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 13:54:57,604 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 13:54:57,605 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 13:54:57,605 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 13:54:57,606 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 13:54:57,607 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 13:54:57,607 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 13:54:57,608 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 13:54:57,609 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 13:54:57,610 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 13:54:57,611 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 13:54:57,612 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 13:54:57,613 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 13:54:57,615 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 13:54:57,615 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 13:54:57,615 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 13:54:57,616 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 13:54:57,616 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 13:54:57,617 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 13:54:57,617 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 13:54:57,618 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 13:54:57,618 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 13:54:57,619 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 13:54:57,619 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 13:54:57,619 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 13:54:57,619 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 13:54:57,620 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 13:54:57,620 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_570a1441-6423-4536-8910-7ba76048b8e8/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-08 13:54:57,630 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 13:54:57,630 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 13:54:57,631 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 13:54:57,631 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 13:54:57,631 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 13:54:57,632 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 13:54:57,632 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 13:54:57,632 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 13:54:57,632 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 13:54:57,632 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 13:54:57,632 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 13:54:57,632 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 13:54:57,632 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 13:54:57,632 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 13:54:57,632 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 13:54:57,632 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 13:54:57,633 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 13:54:57,633 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 13:54:57,633 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 13:54:57,633 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 13:54:57,633 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 13:54:57,633 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 13:54:57,633 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 13:54:57,634 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 13:54:57,634 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 13:54:57,634 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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/working_dir_570a1441-6423-4536-8910-7ba76048b8e8/bin-2019/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 -> 9a031a295ba45c7116aee95a6abc238e63986cbf [2018-12-08 13:54:57,657 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 13:54:57,666 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 13:54:57,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 13:54:57,669 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 13:54:57,670 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 13:54:57,670 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_570a1441-6423-4536-8910-7ba76048b8e8/bin-2019/ukojak/../../sv-benchmarks/c/array-memsafety/array01-alloca_true-valid-memsafety_true-termination.i [2018-12-08 13:54:57,712 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_570a1441-6423-4536-8910-7ba76048b8e8/bin-2019/ukojak/data/cfaa37673/7c223aae6f97436e8bbbeb1b8055d855/FLAG0f946f7fa [2018-12-08 13:54:58,109 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 13:54:58,110 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_570a1441-6423-4536-8910-7ba76048b8e8/sv-benchmarks/c/array-memsafety/array01-alloca_true-valid-memsafety_true-termination.i [2018-12-08 13:54:58,115 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_570a1441-6423-4536-8910-7ba76048b8e8/bin-2019/ukojak/data/cfaa37673/7c223aae6f97436e8bbbeb1b8055d855/FLAG0f946f7fa [2018-12-08 13:54:58,124 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_570a1441-6423-4536-8910-7ba76048b8e8/bin-2019/ukojak/data/cfaa37673/7c223aae6f97436e8bbbeb1b8055d855 [2018-12-08 13:54:58,125 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 13:54:58,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 13:54:58,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 13:54:58,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 13:54:58,129 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 13:54:58,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:54:58" (1/1) ... [2018-12-08 13:54:58,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ef7631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:58, skipping insertion in model container [2018-12-08 13:54:58,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:54:58" (1/1) ... [2018-12-08 13:54:58,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 13:54:58,152 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 13:54:58,288 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:54:58,294 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 13:54:58,348 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:54:58,366 INFO L195 MainTranslator]: Completed translation [2018-12-08 13:54:58,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:58 WrapperNode [2018-12-08 13:54:58,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 13:54:58,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 13:54:58,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 13:54:58,367 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 13:54:58,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:58" (1/1) ... [2018-12-08 13:54:58,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:58" (1/1) ... [2018-12-08 13:54:58,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 13:54:58,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 13:54:58,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 13:54:58,392 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 13:54:58,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:58" (1/1) ... [2018-12-08 13:54:58,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:58" (1/1) ... [2018-12-08 13:54:58,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:58" (1/1) ... [2018-12-08 13:54:58,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:58" (1/1) ... [2018-12-08 13:54:58,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:58" (1/1) ... [2018-12-08 13:54:58,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:58" (1/1) ... [2018-12-08 13:54:58,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:58" (1/1) ... [2018-12-08 13:54:58,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 13:54:58,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 13:54:58,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 13:54:58,406 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 13:54:58,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:54:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_570a1441-6423-4536-8910-7ba76048b8e8/bin-2019/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 [2018-12-08 13:54:58,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 13:54:58,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 13:54:58,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 13:54:58,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 13:54:58,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 13:54:58,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 13:54:58,624 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 13:54:58,624 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-08 13:54:58,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:54:58 BoogieIcfgContainer [2018-12-08 13:54:58,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 13:54:58,625 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 13:54:58,625 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 13:54:58,636 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 13:54:58,636 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:54:58" (1/1) ... [2018-12-08 13:54:58,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:54:58,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:54:58,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2018-12-08 13:54:58,667 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-12-08 13:54:58,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-08 13:54:58,670 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:54:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:54:58,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:54:58,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:54:58,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2018-12-08 13:54:58,789 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-12-08 13:54:58,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-08 13:54:58,789 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:54:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:54:58,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:54:59,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:54:59,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-12-08 13:54:59,004 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-12-08 13:54:59,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-08 13:54:59,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:54:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:54:59,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:54:59,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:54:59,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-12-08 13:54:59,107 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-12-08 13:54:59,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 13:54:59,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:54:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:54:59,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:54:59,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:54:59,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-12-08 13:54:59,165 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-12-08 13:54:59,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 13:54:59,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:54:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:54:59,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:54:59,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:54:59,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2018-12-08 13:54:59,253 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2018-12-08 13:54:59,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 13:54:59,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:54:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:54:59,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:54:59,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:54:59,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2018-12-08 13:54:59,272 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2018-12-08 13:54:59,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 13:54:59,272 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:54:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:54:59,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:54:59,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:54:59,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2018-12-08 13:54:59,326 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2018-12-08 13:54:59,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 13:54:59,326 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:54:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:54:59,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 13:54:59,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:54:59,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2018-12-08 13:54:59,806 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2018-12-08 13:54:59,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 13:54:59,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:54:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:54:59,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:54:59,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:54:59,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2018-12-08 13:54:59,887 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2018-12-08 13:54:59,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 13:54:59,888 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:54:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:00,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:55:00,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:00,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2018-12-08 13:55:00,768 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2018-12-08 13:55:00,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 13:55:00,768 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:00,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 13:55:00,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:00,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2018-12-08 13:55:00,893 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2018-12-08 13:55:00,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 13:55:00,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:00,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:55:00,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:00,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2018-12-08 13:55:00,977 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2018-12-08 13:55:00,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 13:55:00,977 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:00,993 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 13:55:01,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:01,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 59 transitions. [2018-12-08 13:55:01,391 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 59 transitions. [2018-12-08 13:55:01,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 13:55:01,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:01,397 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 13:55:01,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:01,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2018-12-08 13:55:01,536 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2018-12-08 13:55:01,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 13:55:01,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:01,551 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 13:55:01,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:01,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 59 transitions. [2018-12-08 13:55:01,785 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 59 transitions. [2018-12-08 13:55:01,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 13:55:01,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:01,809 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 13:55:01,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:01,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 36 states and 61 transitions. [2018-12-08 13:55:01,987 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2018-12-08 13:55:01,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 13:55:01,987 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:01,997 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 13:55:02,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:02,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2018-12-08 13:55:02,009 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-12-08 13:55:02,009 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 13:55:02,009 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 18 iterations. [2018-12-08 13:55:02,015 INFO L779 CodeCheckObserver]: All specifications hold 7 specifications checked. All of them hold [2018-12-08 13:55:02,070 INFO L583 CodeCheckObserver]: Invariant with dag size 30 [2018-12-08 13:55:02,073 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 13:55:02,074 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 13:55:02,074 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 13:55:02,074 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 13:55:02,074 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 13:55:02,074 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 13:55:02,078 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 13:55:02,078 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 13:55:02,078 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 13:55:02,078 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 13:55:02,078 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 13:55:02,078 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 13:55:02,079 INFO L583 CodeCheckObserver]: Invariant with dag size 29 [2018-12-08 13:55:02,079 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 13:55:02,080 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 13:55:02,080 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 13:55:02,080 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 13:55:02,080 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 13:55:02,081 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 13:55:02,081 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 13:55:02,081 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 13:55:02,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 01:55:02 ImpRootNode [2018-12-08 13:55:02,081 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 13:55:02,081 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 13:55:02,082 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 13:55:02,082 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 13:55:02,082 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:54:58" (3/4) ... [2018-12-08 13:55:02,084 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 13:55:02,090 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-12-08 13:55:02,090 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 13:55:02,090 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 13:55:02,090 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 13:55:02,107 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]] && a == 0) && 4 * N <= unknown-#length-unknown[a]) && 1 <= N) && i == 0) && 1 == \valid[a]) || ((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]] && a == 0) && 4 <= 4 * i + a) && 4 * N <= unknown-#length-unknown[a]) && 1 == \valid[a]) [2018-12-08 13:55:02,107 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]] && a == 0) && 4 <= 4 * i + a) && 4 * N <= unknown-#length-unknown[a]) && 4 * i + 4 <= unknown-#length-unknown[a]) && 1 == \valid[a]) || (((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]] && a == 0) && 4 * N <= unknown-#length-unknown[a]) && 4 * i + 4 <= unknown-#length-unknown[a]) && i == 0) && 1 == \valid[a]) [2018-12-08 13:55:02,116 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_570a1441-6423-4536-8910-7ba76048b8e8/bin-2019/ukojak/witness.graphml [2018-12-08 13:55:02,116 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 13:55:02,117 INFO L168 Benchmark]: Toolchain (without parser) took 3990.86 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 276.8 MB). Free memory was 956.0 MB in the beginning and 1.2 GB in the end (delta: -255.2 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2018-12-08 13:55:02,117 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:55:02,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -137.8 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-08 13:55:02,118 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-08 13:55:02,118 INFO L168 Benchmark]: Boogie Preprocessor took 14.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:55:02,118 INFO L168 Benchmark]: RCFGBuilder took 218.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-12-08 13:55:02,118 INFO L168 Benchmark]: CodeCheck took 3455.99 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 169.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -154.6 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-12-08 13:55:02,119 INFO L168 Benchmark]: Witness Printer took 34.62 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-12-08 13:55:02,120 INFO L336 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, 24 locations, 7 error locations. SAFE Result, 3.3s OverallTime, 18 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 280576 SDtfs, 245760 SDslu, 342932 SDs, 0 SdLazy, 1883792 SolverSat, 638048 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1136 GetRequests, 1004 SyntacticMatches, 22 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4968 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 8096 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 32/37 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - InvariantResult [Line: 545]: Loop Invariant [2018-12-08 13:55:02,121 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 13:55:02,121 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 13:55:02,121 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 13:55:02,121 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 13:55:02,121 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 13:55:02,122 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 13:55:02,122 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 13:55:02,122 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 13:55:02,122 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 13:55:02,122 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 13:55:02,122 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 13:55:02,123 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]] && a == 0) && 4 <= 4 * i + a) && 4 * N <= unknown-#length-unknown[a]) && 4 * i + 4 <= unknown-#length-unknown[a]) && 1 == \valid[a]) || (((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]] && a == 0) && 4 * N <= unknown-#length-unknown[a]) && 4 * i + 4 <= unknown-#length-unknown[a]) && i == 0) && 1 == \valid[a]) - InvariantResult [Line: 544]: Loop Invariant [2018-12-08 13:55:02,123 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 13:55:02,123 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 13:55:02,123 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 13:55:02,123 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 13:55:02,124 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 13:55:02,124 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 13:55:02,124 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 13:55:02,124 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]] && a == 0) && 4 * N <= unknown-#length-unknown[a]) && 1 <= N) && i == 0) && 1 == \valid[a]) || ((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]] && a == 0) && 4 <= 4 * i + a) && 4 * N <= unknown-#length-unknown[a]) && 1 == \valid[a]) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 240.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -137.8 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 218.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * CodeCheck took 3455.99 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 169.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -154.6 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Witness Printer took 34.62 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length RESULT: Ultimate proved your program to be correct! Received shutdown request...