./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrlen-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_e28aae31-45f8-4382-82f2-726c259d0b25/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e28aae31-45f8-4382-82f2-726c259d0b25/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e28aae31-45f8-4382-82f2-726c259d0b25/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e28aae31-45f8-4382-82f2-726c259d0b25/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e28aae31-45f8-4382-82f2-726c259d0b25/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e28aae31-45f8-4382-82f2-726c259d0b25/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 693983fd65e20b5d89b8cfa65a19d47075cafd63 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 00:34:23,114 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 00:34:23,115 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 00:34:23,121 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 00:34:23,122 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 00:34:23,122 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 00:34:23,123 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 00:34:23,123 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 00:34:23,124 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 00:34:23,125 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 00:34:23,125 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 00:34:23,125 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 00:34:23,126 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 00:34:23,126 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 00:34:23,127 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 00:34:23,127 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 00:34:23,127 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 00:34:23,128 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 00:34:23,129 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 00:34:23,130 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 00:34:23,130 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 00:34:23,131 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 00:34:23,132 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 00:34:23,132 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 00:34:23,132 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 00:34:23,132 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 00:34:23,133 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 00:34:23,133 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 00:34:23,133 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 00:34:23,134 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 00:34:23,134 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 00:34:23,134 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 00:34:23,134 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 00:34:23,135 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 00:34:23,135 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 00:34:23,135 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 00:34:23,135 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e28aae31-45f8-4382-82f2-726c259d0b25/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-02 00:34:23,143 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 00:34:23,143 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 00:34:23,143 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 00:34:23,144 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 00:34:23,144 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 00:34:23,144 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 00:34:23,144 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 00:34:23,144 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 00:34:23,144 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 00:34:23,144 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 00:34:23,144 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 00:34:23,144 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 00:34:23,144 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 00:34:23,145 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 00:34:23,145 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 00:34:23,145 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 00:34:23,145 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 00:34:23,145 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 00:34:23,145 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 00:34:23,145 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 00:34:23,145 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 00:34:23,145 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 00:34:23,145 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 00:34:23,145 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 00:34:23,146 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 00:34:23,146 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_e28aae31-45f8-4382-82f2-726c259d0b25/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 -> 693983fd65e20b5d89b8cfa65a19d47075cafd63 [2018-12-02 00:34:23,163 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 00:34:23,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 00:34:23,175 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 00:34:23,176 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 00:34:23,176 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 00:34:23,176 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e28aae31-45f8-4382-82f2-726c259d0b25/bin-2019/ukojak/../../sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-12-02 00:34:23,215 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e28aae31-45f8-4382-82f2-726c259d0b25/bin-2019/ukojak/data/56bd74034/c47379a9c4db4eaba98576cd73320bfb/FLAG2e6e6bec7 [2018-12-02 00:34:23,626 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 00:34:23,626 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e28aae31-45f8-4382-82f2-726c259d0b25/sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-12-02 00:34:23,632 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e28aae31-45f8-4382-82f2-726c259d0b25/bin-2019/ukojak/data/56bd74034/c47379a9c4db4eaba98576cd73320bfb/FLAG2e6e6bec7 [2018-12-02 00:34:23,640 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e28aae31-45f8-4382-82f2-726c259d0b25/bin-2019/ukojak/data/56bd74034/c47379a9c4db4eaba98576cd73320bfb [2018-12-02 00:34:23,641 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 00:34:23,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 00:34:23,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 00:34:23,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 00:34:23,645 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 00:34:23,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:34:23" (1/1) ... [2018-12-02 00:34:23,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac4e85d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:34:23, skipping insertion in model container [2018-12-02 00:34:23,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:34:23" (1/1) ... [2018-12-02 00:34:23,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 00:34:23,668 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 00:34:23,823 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 00:34:23,829 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 00:34:23,882 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 00:34:23,907 INFO L195 MainTranslator]: Completed translation [2018-12-02 00:34:23,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:34:23 WrapperNode [2018-12-02 00:34:23,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 00:34:23,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 00:34:23,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 00:34:23,908 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 00:34:23,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:34:23" (1/1) ... [2018-12-02 00:34:23,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:34:23" (1/1) ... [2018-12-02 00:34:23,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 00:34:23,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 00:34:23,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 00:34:23,942 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 00:34:23,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:34:23" (1/1) ... [2018-12-02 00:34:23,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:34:23" (1/1) ... [2018-12-02 00:34:23,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:34:23" (1/1) ... [2018-12-02 00:34:23,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:34:23" (1/1) ... [2018-12-02 00:34:23,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:34:23" (1/1) ... [2018-12-02 00:34:23,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:34:23" (1/1) ... [2018-12-02 00:34:23,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:34:23" (1/1) ... [2018-12-02 00:34:23,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 00:34:23,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 00:34:23,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 00:34:23,958 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 00:34:23,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:34:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e28aae31-45f8-4382-82f2-726c259d0b25/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 [2018-12-02 00:34:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 00:34:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 00:34:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 00:34:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 00:34:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 00:34:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 00:34:24,151 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 00:34:24,151 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 00:34:24,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:34:24 BoogieIcfgContainer [2018-12-02 00:34:24,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 00:34:24,152 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 00:34:24,152 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 00:34:24,160 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 00:34:24,160 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:34:24" (1/1) ... [2018-12-02 00:34:24,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:34:24,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:34:24,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-12-02 00:34:24,194 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-12-02 00:34:24,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-02 00:34:24,198 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:34:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:34:24,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:34:24,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:34:24,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-12-02 00:34:24,305 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-12-02 00:34:24,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-02 00:34:24,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:34:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:34:24,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:34:24,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:34:24,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-12-02 00:34:24,391 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-12-02 00:34:24,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-02 00:34:24,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:34:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:34:24,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:34:24,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:34:24,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-12-02 00:34:24,430 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-12-02 00:34:24,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-02 00:34:24,430 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:34:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:34:24,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:34:24,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:34:24,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2018-12-02 00:34:24,566 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2018-12-02 00:34:24,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 00:34:24,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:34:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:34:24,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:34:24,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:34:24,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2018-12-02 00:34:24,947 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2018-12-02 00:34:24,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 00:34:24,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:34:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:34:24,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:34:25,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:34:25,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-12-02 00:34:25,042 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-12-02 00:34:25,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 00:34:25,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:34:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:34:25,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:34:26,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:34:26,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2018-12-02 00:34:26,283 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2018-12-02 00:34:26,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 00:34:26,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:34:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:34:26,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 00:34:26,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:34:26,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2018-12-02 00:34:26,428 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2018-12-02 00:34:26,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 00:34:26,429 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:34:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:34:26,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:34:27,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:34:27,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2018-12-02 00:34:27,571 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2018-12-02 00:34:27,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 00:34:27,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:34:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:34:27,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 00:34:27,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:34:27,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2018-12-02 00:34:27,968 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2018-12-02 00:34:27,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 00:34:27,970 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:34:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:34:28,174 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 00:34:29,825 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2018-12-02 00:34:31,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:34:31,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-12-02 00:34:31,128 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-12-02 00:34:31,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 00:34:31,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:34:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:34:31,143 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 00:34:31,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:34:31,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2018-12-02 00:34:31,564 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-12-02 00:34:31,565 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 00:34:31,565 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2018-12-02 00:34:31,571 INFO L779 CodeCheckObserver]: All specifications hold 5 specifications checked. All of them hold [2018-12-02 00:34:31,685 INFO L583 CodeCheckObserver]: Invariant with dag size 31 [2018-12-02 00:34:31,689 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,689 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 00:34:31,690 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 00:34:31,690 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,690 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 00:34:31,690 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,690 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 00:34:31,691 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 00:34:31,691 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 00:34:31,691 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,695 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,695 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 00:34:31,696 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 00:34:31,696 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,696 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 00:34:31,696 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,696 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 00:34:31,697 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 00:34:31,697 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 00:34:31,697 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,698 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-02 00:34:31,698 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,698 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,699 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,699 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,699 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-02 00:34:31,699 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,700 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 12:34:31 ImpRootNode [2018-12-02 00:34:31,700 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 00:34:31,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 00:34:31,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 00:34:31,701 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 00:34:31,701 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:34:24" (3/4) ... [2018-12-02 00:34:31,703 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 00:34:31,709 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-02 00:34:31,709 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 00:34:31,709 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 00:34:31,726 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\valid[__builtin_alloca (length1 * sizeof(char)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char)) := \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))]] && 0 == unknown-#memory_int-unknown[s][unknown-#length-unknown[s] + -1]) && \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char))]) && 1 == \valid[s]) && s == 0) && 1 <= unknown-#length-unknown[s]) || (((((\valid[__builtin_alloca (length1 * sizeof(char)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char)) := \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))]] && 0 == unknown-#memory_int-unknown[s][unknown-#length-unknown[s] + -1]) && 1 <= s) && s + 1 <= unknown-#length-unknown[s]) && \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char))]) && 1 == \valid[s]) [2018-12-02 00:34:31,726 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \valid[__builtin_alloca (length1 * sizeof(char)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char)) := \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))]] && \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char))] [2018-12-02 00:34:31,726 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2018-12-02 00:34:31,735 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e28aae31-45f8-4382-82f2-726c259d0b25/bin-2019/ukojak/witness.graphml [2018-12-02 00:34:31,735 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 00:34:31,736 INFO L168 Benchmark]: Toolchain (without parser) took 8094.07 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 240.1 MB). Free memory was 950.6 MB in the beginning and 757.9 MB in the end (delta: 192.8 MB). Peak memory consumption was 432.9 MB. Max. memory is 11.5 GB. [2018-12-02 00:34:31,736 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 00:34:31,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 78.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -114.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-02 00:34:31,737 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-02 00:34:31,737 INFO L168 Benchmark]: Boogie Preprocessor took 16.28 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 00:34:31,737 INFO L168 Benchmark]: RCFGBuilder took 193.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2018-12-02 00:34:31,738 INFO L168 Benchmark]: CodeCheck took 7548.47 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 162.0 MB). Free memory was 1.0 GB in the beginning and 765.3 MB in the end (delta: 272.6 MB). Peak memory consumption was 434.6 MB. Max. memory is 11.5 GB. [2018-12-02 00:34:31,738 INFO L168 Benchmark]: Witness Printer took 35.02 ms. Allocated memory is still 1.3 GB. Free memory was 765.3 MB in the beginning and 757.9 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-12-02 00:34:31,740 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, 5 error locations. SAFE Result, 7.3s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 536 SDslu, 16 SDs, 0 SdLazy, 40668 SolverSat, 19140 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 635 GetRequests, 490 SyntacticMatches, 19 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5770 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 5340 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 15/27 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: 548]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 544]: Loop Invariant [2018-12-02 00:34:31,742 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,742 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 00:34:31,742 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 00:34:31,742 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,743 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 00:34:31,743 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,743 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 00:34:31,743 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 00:34:31,743 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 00:34:31,743 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,744 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,744 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 00:34:31,745 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 00:34:31,745 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,745 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 00:34:31,745 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,745 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 00:34:31,745 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 00:34:31,746 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 00:34:31,746 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: (((((\valid[__builtin_alloca (length1 * sizeof(char)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char)) := \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))]] && 0 == unknown-#memory_int-unknown[s][unknown-#length-unknown[s] + -1]) && \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char))]) && 1 == \valid[s]) && s == 0) && 1 <= unknown-#length-unknown[s]) || (((((\valid[__builtin_alloca (length1 * sizeof(char)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char)) := \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))]] && 0 == unknown-#memory_int-unknown[s][unknown-#length-unknown[s] + -1]) && 1 <= s) && s + 1 <= unknown-#length-unknown[s]) && \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char))]) && 1 == \valid[s]) - InvariantResult [Line: 544]: Loop Invariant [2018-12-02 00:34:31,747 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,747 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,747 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,748 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \valid[__builtin_alloca (length1 * sizeof(char)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char)) := \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))]] && \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char))] - InvariantResult [Line: 548]: Loop Invariant [2018-12-02 00:34:31,748 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 00:34:31,748 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 264.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 78.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -114.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.28 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 193.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * CodeCheck took 7548.47 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 162.0 MB). Free memory was 1.0 GB in the beginning and 765.3 MB in the end (delta: 272.6 MB). Peak memory consumption was 434.6 MB. Max. memory is 11.5 GB. * Witness Printer took 35.02 ms. Allocated memory is still 1.3 GB. Free memory was 765.3 MB in the beginning and 757.9 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 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 #memory_int - 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 #memory_int - 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 main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #memory_int - 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 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 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 #memory_int - 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 #memory_int - 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 main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #memory_int - 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 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 main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...