./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-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_59671502-2c2d-490f-a6ca-6911c0f4854d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_59671502-2c2d-490f-a6ca-6911c0f4854d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_59671502-2c2d-490f-a6ca-6911c0f4854d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_59671502-2c2d-490f-a6ca-6911c0f4854d/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_59671502-2c2d-490f-a6ca-6911c0f4854d/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_59671502-2c2d-490f-a6ca-6911c0f4854d/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 8df11a05aa3b89e8b7aa4c528df2e0718843a0ef ....................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 05:24:48,186 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 05:24:48,187 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 05:24:48,194 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 05:24:48,194 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 05:24:48,194 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 05:24:48,195 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 05:24:48,196 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 05:24:48,197 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 05:24:48,198 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 05:24:48,198 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 05:24:48,198 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 05:24:48,199 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 05:24:48,200 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 05:24:48,200 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 05:24:48,201 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 05:24:48,202 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 05:24:48,203 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 05:24:48,204 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 05:24:48,205 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 05:24:48,206 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 05:24:48,207 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 05:24:48,208 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 05:24:48,208 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 05:24:48,209 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 05:24:48,209 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 05:24:48,210 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 05:24:48,210 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 05:24:48,211 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 05:24:48,212 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 05:24:48,212 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 05:24:48,212 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 05:24:48,212 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 05:24:48,213 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 05:24:48,213 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 05:24:48,214 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 05:24:48,214 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_59671502-2c2d-490f-a6ca-6911c0f4854d/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-09 05:24:48,224 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 05:24:48,224 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 05:24:48,225 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 05:24:48,225 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 05:24:48,225 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 05:24:48,225 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 05:24:48,226 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 05:24:48,226 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 05:24:48,226 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 05:24:48,226 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 05:24:48,226 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 05:24:48,226 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 05:24:48,226 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 05:24:48,226 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 05:24:48,226 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 05:24:48,226 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 05:24:48,227 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 05:24:48,227 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 05:24:48,227 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 05:24:48,227 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 05:24:48,227 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 05:24:48,227 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 05:24:48,227 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 05:24:48,227 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 05:24:48,228 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 05:24:48,228 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_59671502-2c2d-490f-a6ca-6911c0f4854d/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 -> 8df11a05aa3b89e8b7aa4c528df2e0718843a0ef [2018-12-09 05:24:48,250 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 05:24:48,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 05:24:48,261 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 05:24:48,262 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 05:24:48,263 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 05:24:48,263 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_59671502-2c2d-490f-a6ca-6911c0f4854d/bin-2019/ukojak/../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-12-09 05:24:48,298 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59671502-2c2d-490f-a6ca-6911c0f4854d/bin-2019/ukojak/data/2b6d520a7/fe0ac5fb323e46fdab547886106fea8c/FLAGd5d51bd6b [2018-12-09 05:24:48,618 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 05:24:48,618 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_59671502-2c2d-490f-a6ca-6911c0f4854d/sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-12-09 05:24:48,624 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59671502-2c2d-490f-a6ca-6911c0f4854d/bin-2019/ukojak/data/2b6d520a7/fe0ac5fb323e46fdab547886106fea8c/FLAGd5d51bd6b [2018-12-09 05:24:49,028 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_59671502-2c2d-490f-a6ca-6911c0f4854d/bin-2019/ukojak/data/2b6d520a7/fe0ac5fb323e46fdab547886106fea8c [2018-12-09 05:24:49,030 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 05:24:49,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 05:24:49,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 05:24:49,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 05:24:49,034 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 05:24:49,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:24:49" (1/1) ... [2018-12-09 05:24:49,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72aa46b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:49, skipping insertion in model container [2018-12-09 05:24:49,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:24:49" (1/1) ... [2018-12-09 05:24:49,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 05:24:49,059 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 05:24:49,202 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:24:49,208 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 05:24:49,268 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:24:49,288 INFO L195 MainTranslator]: Completed translation [2018-12-09 05:24:49,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:49 WrapperNode [2018-12-09 05:24:49,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 05:24:49,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 05:24:49,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 05:24:49,289 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 05:24:49,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:49" (1/1) ... [2018-12-09 05:24:49,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:49" (1/1) ... [2018-12-09 05:24:49,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 05:24:49,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 05:24:49,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 05:24:49,314 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 05:24:49,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:49" (1/1) ... [2018-12-09 05:24:49,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:49" (1/1) ... [2018-12-09 05:24:49,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:49" (1/1) ... [2018-12-09 05:24:49,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:49" (1/1) ... [2018-12-09 05:24:49,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:49" (1/1) ... [2018-12-09 05:24:49,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:49" (1/1) ... [2018-12-09 05:24:49,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:49" (1/1) ... [2018-12-09 05:24:49,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 05:24:49,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 05:24:49,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 05:24:49,328 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 05:24:49,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59671502-2c2d-490f-a6ca-6911c0f4854d/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 [2018-12-09 05:24:49,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 05:24:49,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 05:24:49,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 05:24:49,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 05:24:49,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 05:24:49,544 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 05:24:49,544 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 05:24:49,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:24:49 BoogieIcfgContainer [2018-12-09 05:24:49,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 05:24:49,545 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 05:24:49,545 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 05:24:49,553 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 05:24:49,554 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:24:49" (1/1) ... [2018-12-09 05:24:49,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:24:49,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:24:49,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2018-12-09 05:24:49,580 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-12-09 05:24:49,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 05:24:49,582 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 05:24:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:24:49,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:24:49,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:24:49,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-12-09 05:24:49,738 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-12-09 05:24:49,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 05:24:49,738 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 05:24:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:24:49,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:24:50,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:24:50,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-12-09 05:24:50,046 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-12-09 05:24:50,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 05:24:50,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 05:24:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:24:50,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:24:50,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:24:50,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2018-12-09 05:24:50,232 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-12-09 05:24:50,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 05:24:50,232 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 05:24:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:24:50,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 05:24:50,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:24:50,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2018-12-09 05:24:50,339 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2018-12-09 05:24:50,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 05:24:50,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 05:24:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:24:50,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:24:51,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:24:51,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-12-09 05:24:51,419 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-12-09 05:24:51,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 05:24:51,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 05:24:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:24:51,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:24:52,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:24:52,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2018-12-09 05:24:52,335 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2018-12-09 05:24:52,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 05:24:52,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 05:24:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:24:52,427 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 05:24:52,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:24:52,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-12-09 05:24:52,865 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-12-09 05:24:52,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 05:24:52,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 05:24:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:24:53,421 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:24:54,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:24:54,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2018-12-09 05:24:54,937 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2018-12-09 05:24:54,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 05:24:54,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 05:24:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:24:54,969 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 05:24:55,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:24:55,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2018-12-09 05:24:55,455 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2018-12-09 05:24:55,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 05:24:55,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 05:24:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:24:55,763 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 05:24:56,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:24:56,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-12-09 05:24:56,289 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-12-09 05:24:56,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 05:24:56,289 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-12-09 05:24:56,295 INFO L779 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2018-12-09 05:24:56,360 INFO L583 CodeCheckObserver]: Invariant with dag size 6 [2018-12-09 05:24:56,363 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 05:24:56,366 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 05:24:56,367 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-09 05:24:56,367 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 05:24:56,367 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 05:24:56,367 INFO L583 CodeCheckObserver]: Invariant with dag size 26 [2018-12-09 05:24:56,368 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 05:24:56,368 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 05:24:56,368 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 05:24:56,369 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 05:24:56,369 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 05:24:56,369 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 05:24:56,369 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 05:24:56,370 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 05:24:56,370 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 05:24:56,370 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 05:24:56,370 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 05:24:56,371 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 05:24:56,371 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 05:24:56,371 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 05:24:56,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 05:24:56 ImpRootNode [2018-12-09 05:24:56,371 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 05:24:56,372 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 05:24:56,372 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 05:24:56,372 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 05:24:56,372 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:24:49" (3/4) ... [2018-12-09 05:24:56,375 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 05:24:56,380 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-12-09 05:24:56,380 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 05:24:56,380 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 05:24:56,396 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (n * sizeof(char)) := 0] [2018-12-09 05:24:56,396 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((unknown-#length-unknown[d] <= d + n && 1 <= d) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (n * sizeof(char)) := 0]) && d + n <= unknown-#length-unknown[d]) && 1 == \valid[d]) && d + 1 <= unknown-#length-unknown[d]) || ((((n == unknown-#length-unknown[d] && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (n * sizeof(char)) := 0]) && 0 == d) && 1 == \valid[d]) && 1 <= unknown-#length-unknown[d]) [2018-12-09 05:24:56,397 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2018-12-09 05:24:56,407 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_59671502-2c2d-490f-a6ca-6911c0f4854d/bin-2019/ukojak/witness.graphml [2018-12-09 05:24:56,407 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 05:24:56,408 INFO L168 Benchmark]: Toolchain (without parser) took 7377.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 950.6 MB in the beginning and 911.2 MB in the end (delta: 39.4 MB). Peak memory consumption was 217.7 MB. Max. memory is 11.5 GB. [2018-12-09 05:24:56,409 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:24:56,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -162.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-09 05:24:56,410 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.60 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. [2018-12-09 05:24:56,410 INFO L168 Benchmark]: Boogie Preprocessor took 13.70 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-09 05:24:56,410 INFO L168 Benchmark]: RCFGBuilder took 216.84 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-09 05:24:56,410 INFO L168 Benchmark]: CodeCheck took 6826.82 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.1 MB). Free memory was 1.1 GB in the beginning and 918.1 MB in the end (delta: 161.4 MB). Peak memory consumption was 216.5 MB. Max. memory is 11.5 GB. [2018-12-09 05:24:56,411 INFO L168 Benchmark]: Witness Printer took 35.89 ms. Allocated memory is still 1.2 GB. Free memory was 918.1 MB in the beginning and 911.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 05:24:56,412 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, 19 locations, 3 error locations. SAFE Result, 6.7s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2304 SDtfs, 448 SDslu, 2688 SDs, 0 SdLazy, 20042 SolverSat, 8466 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 754 GetRequests, 600 SyntacticMatches, 18 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6304 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 5259 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 12/36 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: 551]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 543]: Loop Invariant [2018-12-09 05:24:56,413 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 05:24:56,413 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (n * sizeof(char)) := 0] - InvariantResult [Line: 551]: Loop Invariant [2018-12-09 05:24:56,413 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 05:24:56,414 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 545]: Loop Invariant [2018-12-09 05:24:56,414 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 05:24:56,414 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 05:24:56,414 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 05:24:56,414 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 05:24:56,414 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 05:24:56,415 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 05:24:56,415 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 05:24:56,415 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 05:24:56,415 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 05:24:56,415 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 05:24:56,415 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 05:24:56,416 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 05:24:56,416 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 05:24:56,416 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((((unknown-#length-unknown[d] <= d + n && 1 <= d) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (n * sizeof(char)) := 0]) && d + n <= unknown-#length-unknown[d]) && 1 == \valid[d]) && d + 1 <= unknown-#length-unknown[d]) || ((((n == unknown-#length-unknown[d] && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (n * sizeof(char)) := 0]) && 0 == d) && 1 == \valid[d]) && 1 <= unknown-#length-unknown[d]) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 256.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -162.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.60 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 13.70 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 216.84 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * CodeCheck took 6826.82 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.1 MB). Free memory was 1.1 GB in the beginning and 918.1 MB in the end (delta: 161.4 MB). Peak memory consumption was 216.5 MB. Max. memory is 11.5 GB. * Witness Printer took 35.89 ms. Allocated memory is still 1.2 GB. Free memory was 918.1 MB in the beginning and 911.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 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 - 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 #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 #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 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 #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 #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 #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...