./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b5863d4f-7aa1-4e96-98aa-5dbceeb18e72/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b5863d4f-7aa1-4e96-98aa-5dbceeb18e72/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b5863d4f-7aa1-4e96-98aa-5dbceeb18e72/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b5863d4f-7aa1-4e96-98aa-5dbceeb18e72/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b5863d4f-7aa1-4e96-98aa-5dbceeb18e72/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b5863d4f-7aa1-4e96-98aa-5dbceeb18e72/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 0.1.24-cad4683 [2019-10-22 10:14:09,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:14:09,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:14:09,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:14:09,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:14:09,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:14:09,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:14:09,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:14:09,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:14:09,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:14:09,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:14:09,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:14:09,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:14:09,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:14:09,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:14:09,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:14:09,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:14:09,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:14:09,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:14:09,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:14:09,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:14:09,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:14:09,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:14:09,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:14:09,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:14:09,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:14:09,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:14:09,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:14:09,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:14:09,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:14:09,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:14:09,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:14:09,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:14:09,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:14:09,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:14:09,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:14:09,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:14:09,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:14:09,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:14:09,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:14:09,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:14:09,983 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b5863d4f-7aa1-4e96-98aa-5dbceeb18e72/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-10-22 10:14:09,994 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:14:09,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:14:09,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:14:09,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:14:09,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:14:09,996 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:14:09,996 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 10:14:09,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:14:09,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:14:09,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:14:09,997 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 10:14:09,997 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 10:14:09,997 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 10:14:09,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:14:09,997 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:14:09,997 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:14:09,998 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:14:09,998 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:14:09,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:14:09,999 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:14:09,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:14:09,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:14:09,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:14:09,999 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:14:10,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:14:10,000 INFO L138 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-vcloud-master/worker/working_dir_b5863d4f-7aa1-4e96-98aa-5dbceeb18e72/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 [2019-10-22 10:14:10,024 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:14:10,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:14:10,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:14:10,039 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:14:10,039 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:14:10,040 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b5863d4f-7aa1-4e96-98aa-5dbceeb18e72/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/StructInitialization.c [2019-10-22 10:14:10,087 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b5863d4f-7aa1-4e96-98aa-5dbceeb18e72/bin/ukojak/data/ae8175c95/269a66613c4c4398be206322350f8905/FLAGb116402e0 [2019-10-22 10:14:10,458 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:14:10,458 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b5863d4f-7aa1-4e96-98aa-5dbceeb18e72/sv-benchmarks/c/ldv-memsafety/StructInitialization.c [2019-10-22 10:14:10,464 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b5863d4f-7aa1-4e96-98aa-5dbceeb18e72/bin/ukojak/data/ae8175c95/269a66613c4c4398be206322350f8905/FLAGb116402e0 [2019-10-22 10:14:10,873 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b5863d4f-7aa1-4e96-98aa-5dbceeb18e72/bin/ukojak/data/ae8175c95/269a66613c4c4398be206322350f8905 [2019-10-22 10:14:10,876 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:14:10,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:14:10,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:14:10,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:14:10,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:14:10,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:14:10" (1/1) ... [2019-10-22 10:14:10,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d12a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:10, skipping insertion in model container [2019-10-22 10:14:10,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:14:10" (1/1) ... [2019-10-22 10:14:10,892 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:14:10,914 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:14:11,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:14:11,139 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:14:11,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:14:11,165 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:14:11,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:11 WrapperNode [2019-10-22 10:14:11,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:14:11,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:14:11,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:14:11,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:14:11,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:11" (1/1) ... [2019-10-22 10:14:11,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:11" (1/1) ... [2019-10-22 10:14:11,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:14:11,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:14:11,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:14:11,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:14:11,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:11" (1/1) ... [2019-10-22 10:14:11,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:11" (1/1) ... [2019-10-22 10:14:11,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:11" (1/1) ... [2019-10-22 10:14:11,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:11" (1/1) ... [2019-10-22 10:14:11,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:11" (1/1) ... [2019-10-22 10:14:11,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:11" (1/1) ... [2019-10-22 10:14:11,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:11" (1/1) ... [2019-10-22 10:14:11,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:14:11,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:14:11,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:14:11,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:14:11,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b5863d4f-7aa1-4e96-98aa-5dbceeb18e72/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 [2019-10-22 10:14:11,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:14:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:14:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:14:11,554 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:14:11,554 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 10:14:11,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:11 BoogieIcfgContainer [2019-10-22 10:14:11,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:14:11,556 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:14:11,556 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:14:11,567 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:14:11,567 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:11" (1/1) ... [2019-10-22 10:14:11,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:14:11,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:11,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2019-10-22 10:14:11,611 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2019-10-22 10:14:11,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-10-22 10:14:11,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:11,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:11,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:11,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 3 states and 2 transitions. [2019-10-22 10:14:11,788 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states and 2 transitions. [2019-10-22 10:14:11,788 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:14:11,789 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2019-10-22 10:14:11,797 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:14:11,809 INFO L575 CodeCheckObserver]: Invariant with dag size 3 [2019-10-22 10:14:11,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:11,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:11,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:14:11 ImpRootNode [2019-10-22 10:14:11,821 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:14:11,822 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:14:11,822 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:14:11,822 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:14:11,823 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:11" (3/4) ... [2019-10-22 10:14:11,826 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:14:11,838 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-10-22 10:14:11,839 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 10:14:11,841 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:14:11,869 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2019-10-22 10:14:11,896 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b5863d4f-7aa1-4e96-98aa-5dbceeb18e72/bin/ukojak/witness.graphml [2019-10-22 10:14:11,897 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:14:11,899 INFO L168 Benchmark]: Toolchain (without parser) took 1021.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:14:11,899 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:14:11,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -188.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:11,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:14:11,901 INFO L168 Benchmark]: Boogie Preprocessor took 26.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:11,901 INFO L168 Benchmark]: RCFGBuilder took 325.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:11,901 INFO L168 Benchmark]: CodeCheck took 265.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:11,902 INFO L168 Benchmark]: Witness Printer took 75.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:11,904 INFO L335 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. Result: SAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 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 [2019-10-22 10:14:11,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:11,906 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 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -188.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 325.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * CodeCheck took 265.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 75.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 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 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...