./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i --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_6580157d-4793-44fb-aea9-aee3e8d9fddf/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/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 b4f17a4b481a4a7bc11b766c6bcdfce67786d9c2 .......................................................................................................................................................................................................... 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_6580157d-4793-44fb-aea9-aee3e8d9fddf/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/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 b4f17a4b481a4a7bc11b766c6bcdfce67786d9c2 ............................................................................................................................................................................................................... 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 15:19:02,926 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:19:02,928 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:19:02,937 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:19:02,937 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:19:02,938 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:19:02,939 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:19:02,940 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:19:02,941 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:19:02,941 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:19:02,942 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:19:02,942 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:19:02,943 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:19:02,943 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:19:02,944 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:19:02,945 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:19:02,945 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:19:02,947 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:19:02,948 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:19:02,950 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:19:02,950 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:19:02,951 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:19:02,953 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:19:02,953 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:19:02,953 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:19:02,954 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:19:02,955 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:19:02,955 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:19:02,956 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:19:02,957 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:19:02,957 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:19:02,958 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:19:02,958 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:19:02,958 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:19:02,959 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:19:02,959 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:19:02,960 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 15:19:02,969 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:19:02,970 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:19:02,970 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:19:02,970 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:19:02,971 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:19:02,971 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:19:02,971 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:19:02,971 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:19:02,972 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:19:02,972 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:19:02,972 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:19:02,973 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:19:02,973 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:19:02,973 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:19:02,973 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:19:02,974 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:19:02,974 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:19:02,974 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:19:02,974 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:19:02,974 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:19:02,974 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:19:02,974 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:19:02,975 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:19:02,975 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:19:02,975 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:19:02,975 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:19:02,975 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 15:19:02,975 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:19:02,975 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:19:02,976 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_6580157d-4793-44fb-aea9-aee3e8d9fddf/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 -> b4f17a4b481a4a7bc11b766c6bcdfce67786d9c2 [2018-11-18 15:19:03,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:19:03,009 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:19:03,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:19:03,012 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:19:03,012 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:19:03,013 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i [2018-11-18 15:19:03,046 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/bin-2019/ukojak/data/842533fd8/f26bbe83ae1d402681d3ca4eb852a48f/FLAG75e9b5267 [2018-11-18 15:19:03,455 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:19:03,455 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i [2018-11-18 15:19:03,459 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/bin-2019/ukojak/data/842533fd8/f26bbe83ae1d402681d3ca4eb852a48f/FLAG75e9b5267 [2018-11-18 15:19:03,469 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/bin-2019/ukojak/data/842533fd8/f26bbe83ae1d402681d3ca4eb852a48f [2018-11-18 15:19:03,471 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:19:03,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:19:03,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:19:03,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:19:03,477 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:19:03,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:19:03" (1/1) ... [2018-11-18 15:19:03,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a96ca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:03, skipping insertion in model container [2018-11-18 15:19:03,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:19:03" (1/1) ... [2018-11-18 15:19:03,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:19:03,497 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:19:03,603 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:19:03,606 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:19:03,617 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:19:03,626 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:19:03,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:03 WrapperNode [2018-11-18 15:19:03,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:19:03,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:19:03,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:19:03,627 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:19:03,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:03" (1/1) ... [2018-11-18 15:19:03,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:03" (1/1) ... [2018-11-18 15:19:03,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:19:03,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:19:03,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:19:03,647 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:19:03,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:03" (1/1) ... [2018-11-18 15:19:03,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:03" (1/1) ... [2018-11-18 15:19:03,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:03" (1/1) ... [2018-11-18 15:19:03,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:03" (1/1) ... [2018-11-18 15:19:03,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:03" (1/1) ... [2018-11-18 15:19:03,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:03" (1/1) ... [2018-11-18 15:19:03,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:03" (1/1) ... [2018-11-18 15:19:03,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:19:03,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:19:03,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:19:03,656 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:19:03,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/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 15:19:03,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:19:03,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:19:03,794 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:19:03,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:19:03 BoogieIcfgContainer [2018-11-18 15:19:03,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:19:03,795 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:19:03,795 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:19:03,803 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:19:03,803 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:19:03" (1/1) ... [2018-11-18 15:19:03,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:03,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:19:03,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-18 15:19:03,843 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-18 15:19:03,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 15:19:03,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:19:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:19:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:19:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:19:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:19:03,911 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-18 15:19:03,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:19:03 ImpRootNode [2018-11-18 15:19:03,922 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:19:03,922 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:19:03,922 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:19:03,922 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:19:03,923 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:19:03" (3/4) ... [2018-11-18 15:19:03,925 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 15:19:03,925 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:19:03,925 INFO L168 Benchmark]: Toolchain (without parser) took 453.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:19:03,927 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:19:03,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 152.33 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:03,927 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.66 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:03,928 INFO L168 Benchmark]: Boogie Preprocessor took 9.52 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:19:03,928 INFO L168 Benchmark]: RCFGBuilder took 138.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -200.3 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:03,929 INFO L168 Benchmark]: CodeCheck took 126.77 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:03,930 INFO L168 Benchmark]: Witness Printer took 2.84 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 15:19:03,933 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 9]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 9, overapproximation of someUnaryDOUBLEoperation at line 6, overapproximation of someUnaryFLOAToperation at line 5. Possible FailurePath: [L5] float f = -0x1.0p-127f; [L6] double d = -0x1.0p-127; [L7] double fp = (double)f; [L9] COND TRUE !(d == fp) [L9] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 152.33 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.66 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.52 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 138.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -200.3 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 126.77 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.84 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 15:19:05,382 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:19:05,383 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:19:05,390 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:19:05,391 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:19:05,391 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:19:05,392 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:19:05,393 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:19:05,394 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:19:05,395 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:19:05,395 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:19:05,396 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:19:05,397 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:19:05,397 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:19:05,398 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:19:05,398 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:19:05,399 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:19:05,401 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:19:05,402 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:19:05,403 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:19:05,404 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:19:05,405 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:19:05,407 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:19:05,407 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:19:05,407 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:19:05,408 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:19:05,409 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:19:05,409 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:19:05,410 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:19:05,411 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:19:05,411 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:19:05,411 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:19:05,411 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:19:05,411 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:19:05,413 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:19:05,413 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:19:05,413 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 15:19:05,423 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:19:05,424 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:19:05,424 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:19:05,424 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:19:05,425 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:19:05,425 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:19:05,425 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:19:05,425 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:19:05,425 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:19:05,425 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:19:05,425 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:19:05,426 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:19:05,426 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:19:05,426 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 15:19:05,426 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 15:19:05,426 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:19:05,426 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:19:05,426 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:19:05,426 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:19:05,426 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:19:05,427 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:19:05,427 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:19:05,427 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:19:05,427 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:19:05,427 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:19:05,427 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:19:05,427 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:19:05,427 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 15:19:05,427 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 15:19:05,427 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:19:05,428 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 15:19:05,428 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 15:19:05,428 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_6580157d-4793-44fb-aea9-aee3e8d9fddf/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 -> b4f17a4b481a4a7bc11b766c6bcdfce67786d9c2 [2018-11-18 15:19:05,456 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:19:05,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:19:05,466 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:19:05,467 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:19:05,467 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:19:05,468 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i [2018-11-18 15:19:05,504 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/bin-2019/ukojak/data/1f0f1761e/428364238b07457c9275dcc0ad799661/FLAG47c9ed6e3 [2018-11-18 15:19:05,820 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:19:05,820 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i [2018-11-18 15:19:05,824 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/bin-2019/ukojak/data/1f0f1761e/428364238b07457c9275dcc0ad799661/FLAG47c9ed6e3 [2018-11-18 15:19:06,264 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/bin-2019/ukojak/data/1f0f1761e/428364238b07457c9275dcc0ad799661 [2018-11-18 15:19:06,267 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:19:06,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:19:06,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:19:06,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:19:06,271 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:19:06,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:19:06" (1/1) ... [2018-11-18 15:19:06,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a4379e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:06, skipping insertion in model container [2018-11-18 15:19:06,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:19:06" (1/1) ... [2018-11-18 15:19:06,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:19:06,290 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:19:06,404 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:19:06,409 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:19:06,421 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:19:06,430 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:19:06,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:06 WrapperNode [2018-11-18 15:19:06,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:19:06,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:19:06,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:19:06,432 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:19:06,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:06" (1/1) ... [2018-11-18 15:19:06,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:06" (1/1) ... [2018-11-18 15:19:06,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:19:06,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:19:06,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:19:06,450 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:19:06,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:06" (1/1) ... [2018-11-18 15:19:06,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:06" (1/1) ... [2018-11-18 15:19:06,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:06" (1/1) ... [2018-11-18 15:19:06,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:06" (1/1) ... [2018-11-18 15:19:06,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:06" (1/1) ... [2018-11-18 15:19:06,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:06" (1/1) ... [2018-11-18 15:19:06,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:06" (1/1) ... [2018-11-18 15:19:06,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:19:06,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:19:06,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:19:06,462 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:19:06,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/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 15:19:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:19:06,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:19:06,656 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:19:06,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:19:06 BoogieIcfgContainer [2018-11-18 15:19:06,657 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:19:06,657 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:19:06,657 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:19:06,666 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:19:06,666 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:19:06" (1/1) ... [2018-11-18 15:19:06,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:06,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:19:06,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-18 15:19:06,701 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-18 15:19:06,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 15:19:06,703 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:19:06,743 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-18 15:19:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:06,802 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:19:06,838 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 15:19:06,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:19:06,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-11-18 15:19:06,983 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-11-18 15:19:06,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:19:06,983 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-11-18 15:19:06,990 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 15:19:07,015 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:19:07,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:19:07 ImpRootNode [2018-11-18 15:19:07,018 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:19:07,018 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:19:07,018 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:19:07,018 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:19:07,018 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:19:06" (3/4) ... [2018-11-18 15:19:07,022 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:19:07,030 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 15:19:07,030 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 15:19:07,031 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 15:19:07,057 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6580157d-4793-44fb-aea9-aee3e8d9fddf/bin-2019/ukojak/witness.graphml [2018-11-18 15:19:07,057 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:19:07,058 INFO L168 Benchmark]: Toolchain (without parser) took 790.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -123.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:19:07,059 INFO L168 Benchmark]: CDTParser took 0.14 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 15:19:07,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 162.73 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:07,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.24 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:07,060 INFO L168 Benchmark]: Boogie Preprocessor took 12.15 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:19:07,060 INFO L168 Benchmark]: RCFGBuilder took 194.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:07,061 INFO L168 Benchmark]: CodeCheck took 360.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:07,061 INFO L168 Benchmark]: Witness Printer took 39.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:07,064 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 2 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 3 NumberOfNonLiveVariables, 7 ConjunctsInSsa, 4 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 - PositiveResult [Line: 9]: 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: 9]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 162.73 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.24 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.15 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 194.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * CodeCheck took 360.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Witness Printer took 39.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...