./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1252a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1252a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/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 32bit --witnessprinter.graph.data.programhash f441bd4a1f5705911b7315c074b39e665542818e ............................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1252a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/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 32bit --witnessprinter.graph.data.programhash f441bd4a1f5705911b7315c074b39e665542818e ............................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:08:22,817 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:08:22,818 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:08:22,826 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:08:22,826 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:08:22,827 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:08:22,828 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:08:22,829 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:08:22,830 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:08:22,831 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:08:22,831 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:08:22,831 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:08:22,832 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:08:22,833 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:08:22,833 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:08:22,834 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:08:22,835 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:08:22,836 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:08:22,837 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:08:22,838 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:08:22,839 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:08:22,840 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:08:22,841 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:08:22,842 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:08:22,842 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:08:22,842 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:08:22,843 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:08:22,844 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:08:22,844 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:08:22,845 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:08:22,845 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:08:22,846 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:08:22,846 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:08:22,846 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:08:22,847 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:08:22,847 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:08:22,847 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 09:08:22,857 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:08:22,857 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:08:22,858 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:08:22,858 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:08:22,858 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:08:22,858 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:08:22,859 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:08:22,859 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:08:22,859 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:08:22,859 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:08:22,859 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:08:22,859 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:08:22,859 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:08:22,860 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:08:22,860 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:08:22,860 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:08:22,860 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:08:22,860 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:08:22,860 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 09:08:22,860 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 09:08:22,861 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:08:22,861 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:08:22,861 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:08:22,861 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:08:22,861 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:08:22,861 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:08:22,861 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 09:08:22,861 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:08:22,862 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:08:22,862 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f441bd4a1f5705911b7315c074b39e665542818e [2018-11-18 09:08:22,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:08:22,891 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:08:22,893 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:08:22,894 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:08:22,894 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:08:22,895 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1252a_true-unreach-call.c [2018-11-18 09:08:22,930 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/bin-2019/ukojak/data/973d5dec4/5e1e2d7887b84b14b8c24485875ca3dd/FLAG118b3c214 [2018-11-18 09:08:23,328 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:08:23,328 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/sv-benchmarks/c/float-newlib/float_req_bl_1252a_true-unreach-call.c [2018-11-18 09:08:23,333 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/bin-2019/ukojak/data/973d5dec4/5e1e2d7887b84b14b8c24485875ca3dd/FLAG118b3c214 [2018-11-18 09:08:23,344 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/bin-2019/ukojak/data/973d5dec4/5e1e2d7887b84b14b8c24485875ca3dd [2018-11-18 09:08:23,346 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:08:23,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:08:23,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:08:23,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:08:23,349 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:08:23,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:08:23" (1/1) ... [2018-11-18 09:08:23,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d4fb5ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:23, skipping insertion in model container [2018-11-18 09:08:23,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:08:23" (1/1) ... [2018-11-18 09:08:23,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:08:23,371 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:08:23,486 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:08:23,488 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:08:23,505 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:08:23,519 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:08:23,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:23 WrapperNode [2018-11-18 09:08:23,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:08:23,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:08:23,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:08:23,520 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:08:23,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:23" (1/1) ... [2018-11-18 09:08:23,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:23" (1/1) ... [2018-11-18 09:08:23,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:08:23,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:08:23,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:08:23,582 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:08:23,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:23" (1/1) ... [2018-11-18 09:08:23,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:23" (1/1) ... [2018-11-18 09:08:23,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:23" (1/1) ... [2018-11-18 09:08:23,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:23" (1/1) ... [2018-11-18 09:08:23,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:23" (1/1) ... [2018-11-18 09:08:23,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:23" (1/1) ... [2018-11-18 09:08:23,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:23" (1/1) ... [2018-11-18 09:08:23,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:08:23,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:08:23,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:08:23,605 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:08:23,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/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 [2018-11-18 09:08:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-11-18 09:08:23,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-11-18 09:08:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 09:08:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:08:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:08:23,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:08:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 09:08:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 09:08:23,918 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:08:23,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:08:23 BoogieIcfgContainer [2018-11-18 09:08:23,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:08:23,919 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 09:08:23,919 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 09:08:23,926 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 09:08:23,926 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:08:23" (1/1) ... [2018-11-18 09:08:23,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:08:23,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:23,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-11-18 09:08:23,958 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-11-18 09:08:23,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 09:08:23,962 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:24,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:08:24,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:24,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-11-18 09:08:24,042 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-11-18 09:08:24,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 09:08:24,042 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:08:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:08:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:08:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:08:24,131 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-18 09:08:24,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 09:08:24 ImpRootNode [2018-11-18 09:08:24,159 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 09:08:24,160 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:08:24,160 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:08:24,160 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:08:24,160 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:08:23" (3/4) ... [2018-11-18 09:08:24,163 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 09:08:24,163 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:08:24,164 INFO L168 Benchmark]: Toolchain (without parser) took 818.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -130.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:08:24,166 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:08:24,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 171.90 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 940.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:08:24,166 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -197.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:08:24,167 INFO L168 Benchmark]: Boogie Preprocessor took 22.44 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:08:24,168 INFO L168 Benchmark]: RCFGBuilder took 314.28 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: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:08:24,168 INFO L168 Benchmark]: CodeCheck took 240.18 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: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:08:24,169 INFO L168 Benchmark]: Witness Printer took 3.91 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. [2018-11-18 09:08:24,171 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 2 procedures, 31 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s 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 - UnprovableResult [Line: 79]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someUnaryFLOAToperation at line 72. Possible FailurePath: [L72] float x = -0.0f; [L73] float y = 0.0f; [L75] CALL, EXPR fmax_float(x, y) [L43] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=1] [L20] __uint32_t w; VAL [\old(x)=1, x=1] [L23] FCALL ieee_float_shape_type gf_u; [L24] FCALL gf_u.value = (x) [L25] EXPR, FCALL gf_u.word [L25] (w) = gf_u.word [L26] COND FALSE !(0) VAL [\old(x)=1, w=2139095041, x=1] [L28] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L30-L31] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L33-L34] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L36] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L39] RET return 0; [L43] EXPR __fpclassify_float(x) [L43] COND TRUE __fpclassify_float(x) == 0 [L44] RET return y; [L75] EXPR fmax_float(x, y) [L75] float res = fmax_float(x, y); [L78] EXPR res == 0.0f && __signbit_float(res) == 0 [L78] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L79] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 171.90 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 940.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -197.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.44 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 314.28 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: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. * CodeCheck took 240.18 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: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.91 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. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 09:08:25,595 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:08:25,597 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:08:25,606 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:08:25,606 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:08:25,607 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:08:25,608 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:08:25,609 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:08:25,610 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:08:25,611 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:08:25,611 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:08:25,612 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:08:25,612 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:08:25,613 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:08:25,614 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:08:25,614 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:08:25,615 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:08:25,616 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:08:25,617 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:08:25,619 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:08:25,619 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:08:25,620 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:08:25,622 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:08:25,622 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:08:25,622 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:08:25,623 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:08:25,624 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:08:25,624 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:08:25,625 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:08:25,625 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:08:25,626 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:08:25,626 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:08:25,626 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:08:25,626 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:08:25,627 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:08:25,627 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:08:25,628 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 09:08:25,638 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:08:25,638 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:08:25,639 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:08:25,639 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:08:25,640 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:08:25,640 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:08:25,640 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:08:25,640 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:08:25,640 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:08:25,640 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:08:25,641 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:08:25,641 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:08:25,641 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:08:25,641 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 09:08:25,641 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 09:08:25,641 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:08:25,641 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:08:25,642 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:08:25,642 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:08:25,642 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 09:08:25,642 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 09:08:25,642 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:08:25,642 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:08:25,642 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:08:25,643 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:08:25,643 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:08:25,643 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:08:25,643 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 09:08:25,643 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 09:08:25,643 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:08:25,643 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 09:08:25,644 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 09:08:25,644 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f441bd4a1f5705911b7315c074b39e665542818e [2018-11-18 09:08:25,675 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:08:25,684 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:08:25,687 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:08:25,688 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:08:25,688 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:08:25,688 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1252a_true-unreach-call.c [2018-11-18 09:08:25,722 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/bin-2019/ukojak/data/440a0a835/abcbfa210b3447eeb09557b9d9699480/FLAG81ace341c [2018-11-18 09:08:26,052 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:08:26,052 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/sv-benchmarks/c/float-newlib/float_req_bl_1252a_true-unreach-call.c [2018-11-18 09:08:26,056 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/bin-2019/ukojak/data/440a0a835/abcbfa210b3447eeb09557b9d9699480/FLAG81ace341c [2018-11-18 09:08:26,485 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/bin-2019/ukojak/data/440a0a835/abcbfa210b3447eeb09557b9d9699480 [2018-11-18 09:08:26,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:08:26,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:08:26,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:08:26,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:08:26,491 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:08:26,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:08:26" (1/1) ... [2018-11-18 09:08:26,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb5b9f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:26, skipping insertion in model container [2018-11-18 09:08:26,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:08:26" (1/1) ... [2018-11-18 09:08:26,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:08:26,513 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:08:26,636 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:08:26,640 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:08:26,658 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:08:26,674 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:08:26,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:26 WrapperNode [2018-11-18 09:08:26,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:08:26,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:08:26,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:08:26,675 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:08:26,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:26" (1/1) ... [2018-11-18 09:08:26,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:26" (1/1) ... [2018-11-18 09:08:26,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:08:26,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:08:26,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:08:26,699 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:08:26,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:26" (1/1) ... [2018-11-18 09:08:26,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:26" (1/1) ... [2018-11-18 09:08:26,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:26" (1/1) ... [2018-11-18 09:08:26,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:26" (1/1) ... [2018-11-18 09:08:26,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:26" (1/1) ... [2018-11-18 09:08:26,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:26" (1/1) ... [2018-11-18 09:08:26,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:26" (1/1) ... [2018-11-18 09:08:26,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:08:26,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:08:26,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:08:26,726 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:08:26,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/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 [2018-11-18 09:08:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-11-18 09:08:26,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-11-18 09:08:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:08:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 09:08:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:08:26,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:08:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 09:08:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 09:08:27,120 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:08:27,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:08:27 BoogieIcfgContainer [2018-11-18 09:08:27,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:08:27,121 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 09:08:27,121 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 09:08:27,127 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 09:08:27,128 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:08:27" (1/1) ... [2018-11-18 09:08:27,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:08:27,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:27,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-11-18 09:08:27,157 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-11-18 09:08:27,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 09:08:27,161 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:27,197 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 09:08:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:27,224 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:08:27,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:08:27,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:27,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-11-18 09:08:27,245 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-11-18 09:08:27,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 09:08:27,246 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:27,246 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 09:08:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:27,263 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:08:27,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:08:27,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:27,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2018-11-18 09:08:27,370 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-11-18 09:08:27,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 09:08:27,370 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:27,371 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 09:08:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:27,384 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:08:27,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:08:27,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:27,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2018-11-18 09:08:27,390 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-11-18 09:08:27,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 09:08:27,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:27,391 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 09:08:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:27,407 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:08:27,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:08:27,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:27,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 30 transitions. [2018-11-18 09:08:27,672 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2018-11-18 09:08:27,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 09:08:27,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:27,674 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 09:08:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:27,693 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:08:28,750 WARN L180 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 143 [2018-11-18 09:08:29,828 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 09:08:30,310 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2018-11-18 09:08:30,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:30,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 18 states and 18 transitions. [2018-11-18 09:08:30,652 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-11-18 09:08:30,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:08:30,653 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2018-11-18 09:08:30,659 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 09:08:30,785 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-11-18 09:08:30,788 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-18 09:08:30,793 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:08:30,793 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:08:30,793 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:08:30,794 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:08:30,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 09:08:30 ImpRootNode [2018-11-18 09:08:30,794 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 09:08:30,794 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:08:30,794 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:08:30,794 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:08:30,806 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:08:27" (3/4) ... [2018-11-18 09:08:30,809 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:08:30,812 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_float [2018-11-18 09:08:30,815 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-18 09:08:30,816 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-18 09:08:30,816 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 09:08:30,816 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 09:08:30,833 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-18 09:08:30,851 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_88a0e4bb-e871-46ba-b1ff-386ff4db3cbb/bin-2019/ukojak/witness.graphml [2018-11-18 09:08:30,851 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:08:30,852 INFO L168 Benchmark]: Toolchain (without parser) took 4364.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -130.1 MB). Peak memory consumption was 60.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:08:30,852 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:08:30,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 186.25 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:08:30,853 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.68 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:08:30,853 INFO L168 Benchmark]: Boogie Preprocessor took 27.01 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:08:30,853 INFO L168 Benchmark]: RCFGBuilder took 394.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -153.3 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:08:30,854 INFO L168 Benchmark]: CodeCheck took 3673.26 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 67.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:08:30,854 INFO L168 Benchmark]: Witness Printer took 56.73 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: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-18 09:08:30,855 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 2 procedures, 29 locations, 1 error locations. SAFE Result, 3.5s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 436 SDtfs, 18 SDslu, 14 SDs, 0 SdLazy, 412 SolverSat, 164 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 535 GetRequests, 501 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 66 ConstructedInterpolants, 2 QuantifiedInterpolants, 11690 SizeOfPredicates, 27 NumberOfNonLiveVariables, 210 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 5/5 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: 79]: 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: 22]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 186.25 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.68 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.01 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 394.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -153.3 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * CodeCheck took 3673.26 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 67.4 MB. Max. memory is 11.5 GB. * Witness Printer took 56.73 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: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...