./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point_true-unreach-call.cil.out.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6f330d60-1f62-47f6-9201-9f49da4cc106/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6f330d60-1f62-47f6-9201-9f49da4cc106/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6f330d60-1f62-47f6-9201-9f49da4cc106/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6f330d60-1f62-47f6-9201-9f49da4cc106/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6f330d60-1f62-47f6-9201-9f49da4cc106/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6f330d60-1f62-47f6-9201-9f49da4cc106/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 600f6ae069a28f3c4cfc1a5e830b50c50501cb60 ................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 09:59:16,822 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 09:59:16,823 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 09:59:16,830 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 09:59:16,830 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 09:59:16,831 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 09:59:16,832 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 09:59:16,833 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 09:59:16,834 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 09:59:16,834 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 09:59:16,835 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 09:59:16,835 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 09:59:16,836 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 09:59:16,836 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 09:59:16,837 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 09:59:16,838 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 09:59:16,838 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 09:59:16,839 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 09:59:16,841 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 09:59:16,842 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 09:59:16,843 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 09:59:16,843 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 09:59:16,845 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 09:59:16,845 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 09:59:16,845 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 09:59:16,846 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 09:59:16,847 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 09:59:16,847 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 09:59:16,848 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 09:59:16,849 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 09:59:16,849 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 09:59:16,849 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 09:59:16,849 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 09:59:16,850 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 09:59:16,850 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 09:59:16,851 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 09:59:16,851 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6f330d60-1f62-47f6-9201-9f49da4cc106/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2018-11-10 09:59:16,861 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 09:59:16,861 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 09:59:16,862 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 09:59:16,862 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 09:59:16,862 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 09:59:16,863 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 09:59:16,863 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 09:59:16,863 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 09:59:16,863 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 09:59:16,863 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 09:59:16,863 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 09:59:16,864 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 09:59:16,864 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 09:59:16,864 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 09:59:16,864 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 09:59:16,864 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 09:59:16,864 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 09:59:16,864 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 09:59:16,865 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 09:59:16,865 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 09:59:16,865 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 09:59:16,865 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 09:59:16,865 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 09:59:16,865 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 09:59:16,865 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 09:59:16,866 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 09:59:16,866 INFO L133 SettingsManager]: * To the following directory=dump/ 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_6f330d60-1f62-47f6-9201-9f49da4cc106/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 ! call(__VERIFIER_error())) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 600f6ae069a28f3c4cfc1a5e830b50c50501cb60 [2018-11-10 09:59:16,887 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 09:59:16,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 09:59:16,897 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 09:59:16,898 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 09:59:16,898 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 09:59:16,899 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6f330d60-1f62-47f6-9201-9f49da4cc106/bin-2019/ukojak/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point_true-unreach-call.cil.out.c [2018-11-10 09:59:16,933 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f330d60-1f62-47f6-9201-9f49da4cc106/bin-2019/ukojak/data/bacc28812/f990d67a5b6c4c0a99c18fd38f75ff84/FLAGaa44ecf46 [2018-11-10 09:59:17,419 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 09:59:17,420 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6f330d60-1f62-47f6-9201-9f49da4cc106/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point_true-unreach-call.cil.out.c [2018-11-10 09:59:17,435 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f330d60-1f62-47f6-9201-9f49da4cc106/bin-2019/ukojak/data/bacc28812/f990d67a5b6c4c0a99c18fd38f75ff84/FLAGaa44ecf46 [2018-11-10 09:59:17,446 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6f330d60-1f62-47f6-9201-9f49da4cc106/bin-2019/ukojak/data/bacc28812/f990d67a5b6c4c0a99c18fd38f75ff84 [2018-11-10 09:59:17,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 09:59:17,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 09:59:17,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 09:59:17,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 09:59:17,452 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 09:59:17,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:59:17" (1/1) ... [2018-11-10 09:59:17,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1669bace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:17, skipping insertion in model container [2018-11-10 09:59:17,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:59:17" (1/1) ... [2018-11-10 09:59:17,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 09:59:17,506 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 09:59:17,953 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:59:17,966 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 09:59:18,155 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:59:18,182 INFO L193 MainTranslator]: Completed translation [2018-11-10 09:59:18,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:18 WrapperNode [2018-11-10 09:59:18,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 09:59:18,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 09:59:18,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 09:59:18,183 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 09:59:18,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:18" (1/1) ... [2018-11-10 09:59:18,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:18" (1/1) ... [2018-11-10 09:59:18,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 09:59:18,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 09:59:18,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 09:59:18,240 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 09:59:18,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:18" (1/1) ... [2018-11-10 09:59:18,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:18" (1/1) ... [2018-11-10 09:59:18,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:18" (1/1) ... [2018-11-10 09:59:18,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:18" (1/1) ... [2018-11-10 09:59:18,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:18" (1/1) ... [2018-11-10 09:59:18,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:18" (1/1) ... [2018-11-10 09:59:18,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:18" (1/1) ... [2018-11-10 09:59:18,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 09:59:18,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 09:59:18,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 09:59:18,277 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 09:59:18,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f330d60-1f62-47f6-9201-9f49da4cc106/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 [2018-11-10 09:59:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 09:59:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-10 09:59:18,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 09:59:18,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-10 09:59:18,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-10 09:59:18,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 09:59:18,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-10 09:59:18,339 INFO L130 BoogieDeclarations]: Found specification of procedure do_map_probe [2018-11-10 09:59:18,339 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2018-11-10 09:59:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 09:59:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2018-11-10 09:59:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 09:59:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-10 09:59:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-10 09:59:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2018-11-10 09:59:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2018-11-10 09:59:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2018-11-10 09:59:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2018-11-10 09:59:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2018-11-10 09:59:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 09:59:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 09:59:20,863 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 09:59:20,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:59:20 BoogieIcfgContainer [2018-11-10 09:59:20,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 09:59:20,865 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 09:59:20,865 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 09:59:20,872 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 09:59:20,872 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:59:20" (1/1) ... [2018-11-10 09:59:20,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:59:20,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:59:20,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 63 transitions. [2018-11-10 09:59:20,909 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2018-11-10 09:59:20,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 09:59:20,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:59:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:59:21,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:59:21,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:59:21,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 50 states and 71 transitions. [2018-11-10 09:59:21,199 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2018-11-10 09:59:21,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 09:59:21,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:59:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:59:21,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:59:21,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:59:21,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 49 states and 68 transitions. [2018-11-10 09:59:21,277 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2018-11-10 09:59:21,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 09:59:21,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:59:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:59:21,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:59:21,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:59:21,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 60 states and 92 transitions. [2018-11-10 09:59:21,589 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 92 transitions. [2018-11-10 09:59:21,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 09:59:21,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:59:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:59:21,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:59:21,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:59:21,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 61 states and 93 transitions. [2018-11-10 09:59:21,629 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 93 transitions. [2018-11-10 09:59:21,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 09:59:21,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:59:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:59:21,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:59:21,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:59:21,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 63 states and 95 transitions. [2018-11-10 09:59:21,700 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2018-11-10 09:59:21,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 09:59:21,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:59:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:59:21,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:59:21,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:59:21,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 65 states and 98 transitions. [2018-11-10 09:59:21,752 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 98 transitions. [2018-11-10 09:59:21,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 09:59:21,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:59:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:59:21,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:59:21,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:59:21,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 64 states and 94 transitions. [2018-11-10 09:59:21,828 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2018-11-10 09:59:21,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 09:59:21,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:59:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:59:21,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 09:59:21,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:59:21,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 69 states and 101 transitions. [2018-11-10 09:59:21,922 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 101 transitions. [2018-11-10 09:59:21,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 09:59:21,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:59:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:59:21,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 09:59:21,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:59:21,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 70 states and 101 transitions. [2018-11-10 09:59:21,964 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2018-11-10 09:59:21,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 09:59:21,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:59:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:59:22,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:59:22,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:59:22,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 65 states and 92 transitions. [2018-11-10 09:59:22,035 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 92 transitions. [2018-11-10 09:59:22,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 09:59:22,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:59:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:59:22,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:59:22,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:59:22,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 69 states and 97 transitions. [2018-11-10 09:59:22,137 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2018-11-10 09:59:22,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 09:59:22,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:59:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:59:22,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:59:22,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:59:22,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 42 states and 55 transitions. [2018-11-10 09:59:22,180 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2018-11-10 09:59:22,180 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 09:59:22,180 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2018-11-10 09:59:22,187 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 09:59:22,233 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 09:59:22,235 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 09:59:22,235 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 09:59:22,236 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 09:59:22,236 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 09:59:22,236 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 09:59:22,236 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 09:59:22,236 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 09:59:22,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 09:59:22 ImpRootNode [2018-11-10 09:59:22,237 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 09:59:22,237 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 09:59:22,237 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 09:59:22,237 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 09:59:22,238 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:59:20" (3/4) ... [2018-11-10 09:59:22,241 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 09:59:22,245 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-11-10 09:59:22,245 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure inl [2018-11-10 09:59:22,246 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2018-11-10 09:59:22,246 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure outl [2018-11-10 09:59:22,253 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 148 nodes and edges [2018-11-10 09:59:22,254 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-10 09:59:22,254 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-11-10 09:59:22,316 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6f330d60-1f62-47f6-9201-9f49da4cc106/bin-2019/ukojak/witness.graphml [2018-11-10 09:59:22,316 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 09:59:22,317 INFO L168 Benchmark]: Toolchain (without parser) took 4868.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 954.8 MB in the beginning and 925.0 MB in the end (delta: 29.9 MB). Peak memory consumption was 183.5 MB. Max. memory is 11.5 GB. [2018-11-10 09:59:22,318 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:59:22,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 954.8 MB in the beginning and 1.1 GB in the end (delta: -130.8 MB). Peak memory consumption was 107.8 MB. Max. memory is 11.5 GB. [2018-11-10 09:59:22,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.81 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: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2018-11-10 09:59:22,318 INFO L168 Benchmark]: Boogie Preprocessor took 36.16 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: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2018-11-10 09:59:22,319 INFO L168 Benchmark]: RCFGBuilder took 2587.79 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: -45.1 MB). Peak memory consumption was 199.1 MB. Max. memory is 11.5 GB. [2018-11-10 09:59:22,319 INFO L168 Benchmark]: CodeCheck took 1371.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 940.1 MB in the end (delta: 176.3 MB). Peak memory consumption was 176.3 MB. Max. memory is 11.5 GB. [2018-11-10 09:59:22,319 INFO L168 Benchmark]: Witness Printer took 79.39 ms. Allocated memory is still 1.2 GB. Free memory was 940.1 MB in the beginning and 925.0 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-10 09:59:22,321 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 5 procedures, 205 locations, 1 error locations. SAFE Result, 1.2s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 55648 SDtfs, 49852 SDslu, 72676 SDs, 0 SdLazy, 51680 SolverSat, 20120 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1746 GetRequests, 1723 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 197 ConstructedInterpolants, 0 QuantifiedInterpolants, 7894 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 18/18 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: 3131]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3068]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2998]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3246]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2943]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2967]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2998]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3080]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3068]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 733.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 954.8 MB in the beginning and 1.1 GB in the end (delta: -130.8 MB). Peak memory consumption was 107.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.81 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: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.16 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: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2587.79 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: -45.1 MB). Peak memory consumption was 199.1 MB. Max. memory is 11.5 GB. * CodeCheck took 1371.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 940.1 MB in the end (delta: 176.3 MB). Peak memory consumption was 176.3 MB. Max. memory is 11.5 GB. * Witness Printer took 79.39 ms. Allocated memory is still 1.2 GB. Free memory was 940.1 MB in the beginning and 925.0 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...