./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i --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_30c61263-7d93-4b6e-8ce0-6f6f2d86d9fc/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_30c61263-7d93-4b6e-8ce0-6f6f2d86d9fc/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_30c61263-7d93-4b6e-8ce0-6f6f2d86d9fc/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_30c61263-7d93-4b6e-8ce0-6f6f2d86d9fc/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_30c61263-7d93-4b6e-8ce0-6f6f2d86d9fc/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_30c61263-7d93-4b6e-8ce0-6f6f2d86d9fc/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 86b203c3a804c103d90401bd32cfcff28939b920 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:35:26,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:35:26,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:35:26,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:35:26,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:35:26,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:35:26,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:35:26,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:35:26,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:35:26,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:35:26,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:35:26,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:35:26,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:35:26,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:35:26,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:35:26,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:35:26,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:35:26,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:35:26,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:35:26,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:35:26,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:35:26,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:35:26,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:35:26,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:35:26,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:35:26,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:35:26,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:35:26,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:35:26,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:35:26,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:35:26,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:35:26,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:35:26,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:35:26,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:35:26,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:35:26,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:35:26,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:35:26,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:35:26,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:35:26,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:35:26,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:35:26,924 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_30c61263-7d93-4b6e-8ce0-6f6f2d86d9fc/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-11-29 18:35:26,951 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:35:26,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:35:26,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:35:26,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:35:26,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:35:26,955 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:35:26,955 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:35:26,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:35:26,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:35:26,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:35:26,956 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 18:35:26,957 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 18:35:26,957 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-29 18:35:26,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:35:26,958 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:35:26,958 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:35:26,958 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 18:35:26,958 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 18:35:26,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:35:26,959 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:35:26,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 18:35:26,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:35:26,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:35:26,960 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 18:35:26,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:35:26,961 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_30c61263-7d93-4b6e-8ce0-6f6f2d86d9fc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_30c61263-7d93-4b6e-8ce0-6f6f2d86d9fc/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86b203c3a804c103d90401bd32cfcff28939b920 [2020-11-29 18:35:27,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:35:27,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:35:27,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:35:27,331 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:35:27,332 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:35:27,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_30c61263-7d93-4b6e-8ce0-6f6f2d86d9fc/bin/ukojak/../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i [2020-11-29 18:35:27,427 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_30c61263-7d93-4b6e-8ce0-6f6f2d86d9fc/bin/ukojak/data/db40339be/e01ed6eaf2bd4c818021dd0e6682029d/FLAG5966f0af4 [2020-11-29 18:35:28,136 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:35:28,136 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_30c61263-7d93-4b6e-8ce0-6f6f2d86d9fc/sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i [2020-11-29 18:35:28,171 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_30c61263-7d93-4b6e-8ce0-6f6f2d86d9fc/bin/ukojak/data/db40339be/e01ed6eaf2bd4c818021dd0e6682029d/FLAG5966f0af4 [2020-11-29 18:35:28,408 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_30c61263-7d93-4b6e-8ce0-6f6f2d86d9fc/bin/ukojak/data/db40339be/e01ed6eaf2bd4c818021dd0e6682029d [2020-11-29 18:35:28,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:35:28,418 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:35:28,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:35:28,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:35:28,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:35:28,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:35:28" (1/1) ... [2020-11-29 18:35:28,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10b599a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:28, skipping insertion in model container [2020-11-29 18:35:28,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:35:28" (1/1) ... [2020-11-29 18:35:28,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:35:28,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:35:28,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:35:28,999 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:35:29,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:35:29,151 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:35:29,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:29 WrapperNode [2020-11-29 18:35:29,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:35:29,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:35:29,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:35:29,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:35:29,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:29" (1/1) ... [2020-11-29 18:35:29,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:29" (1/1) ... [2020-11-29 18:35:29,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:35:29,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:35:29,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:35:29,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:35:29,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:29" (1/1) ... [2020-11-29 18:35:29,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:29" (1/1) ... [2020-11-29 18:35:29,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:29" (1/1) ... [2020-11-29 18:35:29,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:29" (1/1) ... [2020-11-29 18:35:29,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:29" (1/1) ... [2020-11-29 18:35:29,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:29" (1/1) ... [2020-11-29 18:35:29,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:29" (1/1) ... [2020-11-29 18:35:29,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:35:29,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:35:29,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:35:29,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:35:29,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30c61263-7d93-4b6e-8ce0-6f6f2d86d9fc/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 [2020-11-29 18:35:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 18:35:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 18:35:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 18:35:29,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 18:35:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:35:29,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:35:30,097 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:35:30,098 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-11-29 18:35:30,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:35:30 BoogieIcfgContainer [2020-11-29 18:35:30,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:35:30,104 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 18:35:30,105 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 18:35:30,119 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 18:35:30,119 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:35:30" (1/1) ... [2020-11-29 18:35:30,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:35:30,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:35:30,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 32 states and 33 transitions. [2020-11-29 18:35:30,176 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2020-11-29 18:35:30,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-29 18:35:30,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:35:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:35:30,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:35:30,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:35:30,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2020-11-29 18:35:30,509 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2020-11-29 18:35:30,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-29 18:35:30,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:35:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:35:30,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:35:31,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:35:31,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 30 states and 31 transitions. [2020-11-29 18:35:31,165 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2020-11-29 18:35:31,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 18:35:31,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:35:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:35:31,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:35:31,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:35:31,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2020-11-29 18:35:31,256 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2020-11-29 18:35:31,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 18:35:31,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:35:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:35:31,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:35:31,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:35:31,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2020-11-29 18:35:31,629 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2020-11-29 18:35:31,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 18:35:31,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:35:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:35:31,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:35:31,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:35:31,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2020-11-29 18:35:31,720 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2020-11-29 18:35:31,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 18:35:31,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:35:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:35:31,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:35:31,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:35:31,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2020-11-29 18:35:31,870 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2020-11-29 18:35:31,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 18:35:31,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:35:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:35:31,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:35:31,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:35:31,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2020-11-29 18:35:31,968 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2020-11-29 18:35:31,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 18:35:31,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:35:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:35:32,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:35:32,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:35:32,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2020-11-29 18:35:32,045 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2020-11-29 18:35:32,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 18:35:32,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:35:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:35:32,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:35:32,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:35:32,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2020-11-29 18:35:32,639 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2020-11-29 18:35:32,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 18:35:32,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:35:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:35:32,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:35:33,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:35:33,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2020-11-29 18:35:33,967 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2020-11-29 18:35:33,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 18:35:33,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:35:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:35:33,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:35:34,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:35:34,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2020-11-29 18:35:34,379 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2020-11-29 18:35:34,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 18:35:34,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:35:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:35:34,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:35:36,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:35:36,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2020-11-29 18:35:36,905 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2020-11-29 18:35:36,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 18:35:36,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:35:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:35:37,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:35:40,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:35:40,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2020-11-29 18:35:40,654 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2020-11-29 18:35:40,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 18:35:40,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:35:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:35:41,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:35:46,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:35:46,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2020-11-29 18:35:46,984 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2020-11-29 18:35:46,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 18:35:46,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:35:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:35:48,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:35:53,980 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2020-11-29 18:35:59,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:35:59,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2020-11-29 18:35:59,022 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2020-11-29 18:35:59,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:35:59,023 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2020-11-29 18:35:59,031 INFO L765 CodeCheckObserver]: All specifications hold 15 specifications checked. All of them hold [2020-11-29 18:35:59,252 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:35:59,257 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-29 18:35:59,261 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 18:35:59,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 18:35:59,267 INFO L569 CodeCheckObserver]: Invariant with dag size 20 [2020-11-29 18:35:59,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 18:35:59,269 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 18:35:59,269 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-29 18:35:59,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 18:35:59,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 18:35:59,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-29 18:35:59,272 INFO L569 CodeCheckObserver]: Invariant with dag size 28 [2020-11-29 18:35:59,274 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-29 18:35:59,274 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 18:35:59,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-29 18:35:59,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 18:35:59,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-29 18:35:59,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 18:35:59,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-29 18:35:59,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 18:35:59,278 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:35:59,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 06:35:59 ImpRootNode [2020-11-29 18:35:59,279 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 18:35:59,279 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:35:59,280 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:35:59,280 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:35:59,281 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:35:30" (3/4) ... [2020-11-29 18:35:59,285 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:35:59,299 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-11-29 18:35:59,299 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-11-29 18:35:59,300 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 18:35:59,364 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\valid[temp] == 1 && 0 <= temp) && 4 == unknown-#length-unknown[temp]) && \valid[temp := 0] == \old(unknown-main_\old_#valid-unknown)) && temp <= 0) && temp + 1 <= unknown-#StackHeapBarrier-unknown [2020-11-29 18:35:59,368 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == temp && 0 <= s) && s + 1 <= unknown-#StackHeapBarrier-unknown) && s <= 0) && \valid[s := 0][temp := 0] == \old(unknown-main_\old_#valid-unknown)) && \valid[s := 0][temp] == 1) && \valid[s] == 1) && temp + 1 <= unknown-#StackHeapBarrier-unknown) && unknown-#length-unknown[s] == 4 [2020-11-29 18:35:59,369 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-11-29 18:35:59,423 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_30c61263-7d93-4b6e-8ce0-6f6f2d86d9fc/bin/ukojak/witness.graphml [2020-11-29 18:35:59,428 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:35:59,430 INFO L168 Benchmark]: Toolchain (without parser) took 31011.60 ms. Allocated memory was 86.0 MB in the beginning and 272.6 MB in the end (delta: 186.6 MB). Free memory was 55.0 MB in the beginning and 164.2 MB in the end (delta: -109.2 MB). Peak memory consumption was 75.7 MB. Max. memory is 16.1 GB. [2020-11-29 18:35:59,432 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 86.0 MB. Free memory was 43.8 MB in the beginning and 43.7 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:35:59,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.15 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 54.7 MB in the beginning and 72.0 MB in the end (delta: -17.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:35:59,438 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.38 ms. Allocated memory is still 104.9 MB. Free memory was 72.0 MB in the beginning and 69.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:35:59,438 INFO L168 Benchmark]: Boogie Preprocessor took 71.03 ms. Allocated memory is still 104.9 MB. Free memory was 69.9 MB in the beginning and 68.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:35:59,439 INFO L168 Benchmark]: RCFGBuilder took 775.43 ms. Allocated memory is still 104.9 MB. Free memory was 68.7 MB in the beginning and 46.2 MB in the end (delta: 22.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:35:59,440 INFO L168 Benchmark]: CodeCheck took 29174.41 ms. Allocated memory was 104.9 MB in the beginning and 272.6 MB in the end (delta: 167.8 MB). Free memory was 46.2 MB in the beginning and 167.3 MB in the end (delta: -121.1 MB). Peak memory consumption was 48.9 MB. Max. memory is 16.1 GB. [2020-11-29 18:35:59,441 INFO L168 Benchmark]: Witness Printer took 148.78 ms. Allocated memory is still 272.6 MB. Free memory was 167.3 MB in the beginning and 164.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:35:59,445 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, 32 locations, 15 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.8s, OverallIterations: 16, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 98432 SDtfs, 91840 SDslu, 98560 SDs, 0 SdLazy, 481350 SolverSat, 168594 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 981 GetRequests, 727 SyntacticMatches, 6 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25448 ImplicationChecksByTransitivity, 26.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 5957 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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: 568]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 570]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 570]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 573]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 573]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 571]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 571]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 571]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 572]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 574]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 572]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 573]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 571]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 574]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 574]: free always succeeds For all program executions holds that free always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 568]: Loop Invariant [2020-11-29 18:35:59,456 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 18:35:59,457 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 563]: Loop Invariant [2020-11-29 18:35:59,458 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 18:35:59,460 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 18:35:59,460 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-29 18:35:59,461 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 18:35:59,461 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 18:35:59,462 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier Derived loop invariant: ((((\valid[temp] == 1 && 0 <= temp) && 4 == unknown-#length-unknown[temp]) && \valid[temp := 0] == \old(unknown-main_\old_#valid-unknown)) && temp <= 0) && temp + 1 <= unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 563]: Loop Invariant [2020-11-29 18:35:59,473 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-29 18:35:59,474 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 18:35:59,474 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-29 18:35:59,474 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 18:35:59,475 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-29 18:35:59,475 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 18:35:59,475 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-29 18:35:59,476 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((((((0 == temp && 0 <= s) && s + 1 <= unknown-#StackHeapBarrier-unknown) && s <= 0) && \valid[s := 0][temp := 0] == \old(unknown-main_\old_#valid-unknown)) && \valid[s := 0][temp] == 1) && \valid[s] == 1) && temp + 1 <= unknown-#StackHeapBarrier-unknown) && unknown-#length-unknown[s] == 4 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 86.0 MB. Free memory was 43.8 MB in the beginning and 43.7 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 724.15 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 54.7 MB in the beginning and 72.0 MB in the end (delta: -17.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 98.38 ms. Allocated memory is still 104.9 MB. Free memory was 72.0 MB in the beginning and 69.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.03 ms. Allocated memory is still 104.9 MB. Free memory was 69.9 MB in the beginning and 68.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 775.43 ms. Allocated memory is still 104.9 MB. Free memory was 68.7 MB in the beginning and 46.2 MB in the end (delta: 22.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * CodeCheck took 29174.41 ms. Allocated memory was 104.9 MB in the beginning and 272.6 MB in the end (delta: 167.8 MB). Free memory was 46.2 MB in the beginning and 167.3 MB in the end (delta: -121.1 MB). Peak memory consumption was 48.9 MB. Max. memory is 16.1 GB. * Witness Printer took 148.78 ms. Allocated memory is still 272.6 MB. Free memory was 167.3 MB in the beginning and 164.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - 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 #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length RESULT: Ultimate proved your program to be correct! Received shutdown request...