./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1072c_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072c_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/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 8c9432e09ab34163f77fe447dc3730a7acfb00e3 .................................................................................................................................................................................................................................. 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_61e1ce58-4e8a-4b32-a176-31349e546a53/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072c_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/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 8c9432e09ab34163f77fe447dc3730a7acfb00e3 ..................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:06:57,781 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:06:57,782 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:06:57,790 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:06:57,790 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:06:57,790 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:06:57,791 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:06:57,792 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:06:57,793 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:06:57,794 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:06:57,795 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:06:57,795 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:06:57,795 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:06:57,796 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:06:57,797 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:06:57,797 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:06:57,798 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:06:57,799 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:06:57,800 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:06:57,801 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:06:57,802 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:06:57,803 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:06:57,804 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:06:57,804 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:06:57,804 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:06:57,804 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:06:57,805 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:06:57,805 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:06:57,806 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:06:57,806 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:06:57,806 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:06:57,807 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:06:57,807 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:06:57,807 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:06:57,807 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:06:57,808 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:06:57,808 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 17:06:57,815 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:06:57,815 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:06:57,815 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:06:57,815 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 17:06:57,816 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 17:06:57,816 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 17:06:57,816 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:06:57,816 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:06:57,816 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:06:57,816 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:06:57,816 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:06:57,816 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:06:57,817 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:06:57,817 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:06:57,817 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:06:57,817 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:06:57,817 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 17:06:57,817 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:06:57,817 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 17:06:57,817 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 17:06:57,817 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:06:57,817 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:06:57,817 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 17:06:57,818 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:06:57,818 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:06:57,818 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:06:57,818 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 17:06:57,818 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:06:57,818 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 17:06:57,818 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_61e1ce58-4e8a-4b32-a176-31349e546a53/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 -> 8c9432e09ab34163f77fe447dc3730a7acfb00e3 [2018-12-08 17:06:57,835 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:06:57,844 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:06:57,846 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:06:57,847 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:06:57,847 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:06:57,848 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1072c_true-unreach-call.c [2018-12-08 17:06:57,882 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/bin-2019/ukojak/data/46ca55220/543faae188c041749d1a8fb9f1d5a326/FLAG565c461e5 [2018-12-08 17:06:58,206 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:06:58,207 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/sv-benchmarks/c/float-newlib/float_req_bl_1072c_true-unreach-call.c [2018-12-08 17:06:58,211 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/bin-2019/ukojak/data/46ca55220/543faae188c041749d1a8fb9f1d5a326/FLAG565c461e5 [2018-12-08 17:06:58,620 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/bin-2019/ukojak/data/46ca55220/543faae188c041749d1a8fb9f1d5a326 [2018-12-08 17:06:58,624 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:06:58,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:06:58,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:06:58,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:06:58,631 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:06:58,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:06:58" (1/1) ... [2018-12-08 17:06:58,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71739fa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:06:58, skipping insertion in model container [2018-12-08 17:06:58,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:06:58" (1/1) ... [2018-12-08 17:06:58,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:06:58,647 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:06:58,737 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:06:58,739 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:06:58,753 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:06:58,765 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:06:58,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:06:58 WrapperNode [2018-12-08 17:06:58,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:06:58,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:06:58,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:06:58,766 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:06:58,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:06:58" (1/1) ... [2018-12-08 17:06:58,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:06:58" (1/1) ... [2018-12-08 17:06:58,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:06:58,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:06:58,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:06:58,818 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:06:58,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:06:58" (1/1) ... [2018-12-08 17:06:58,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:06:58" (1/1) ... [2018-12-08 17:06:58,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:06:58" (1/1) ... [2018-12-08 17:06:58,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:06:58" (1/1) ... [2018-12-08 17:06:58,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:06:58" (1/1) ... [2018-12-08 17:06:58,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:06:58" (1/1) ... [2018-12-08 17:06:58,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:06:58" (1/1) ... [2018-12-08 17:06:58,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:06:58,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:06:58,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:06:58,836 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:06:58,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:06:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 17:06:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-08 17:06:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 17:06:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 17:06:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 17:06:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:06:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:06:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 17:06:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 17:06:59,027 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:06:59,027 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-08 17:06:59,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:06:59 BoogieIcfgContainer [2018-12-08 17:06:59,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:06:59,028 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 17:06:59,028 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 17:06:59,035 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 17:06:59,035 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:06:59" (1/1) ... [2018-12-08 17:06:59,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:06:59,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:59,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2018-12-08 17:06:59,064 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2018-12-08 17:06:59,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 17:06:59,065 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:59,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:59,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:59,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-12-08 17:06:59,130 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-12-08 17:06:59,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 17:06:59,130 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:06:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:06:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:06:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:06:59,202 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-08 17:06:59,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 05:06:59 ImpRootNode [2018-12-08 17:06:59,218 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 17:06:59,218 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:06:59,218 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:06:59,218 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:06:59,218 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:06:59" (3/4) ... [2018-12-08 17:06:59,221 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 17:06:59,221 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:06:59,221 INFO L168 Benchmark]: Toolchain (without parser) took 596.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -106.1 MB). Peak memory consumption was 282.5 kB. Max. memory is 11.5 GB. [2018-12-08 17:06:59,222 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:06:59,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 139.09 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 17:06:59,223 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-12-08 17:06:59,223 INFO L168 Benchmark]: Boogie Preprocessor took 16.95 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:06:59,224 INFO L168 Benchmark]: RCFGBuilder took 192.59 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: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:06:59,224 INFO L168 Benchmark]: CodeCheck took 189.35 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-08 17:06:59,224 INFO L168 Benchmark]: Witness Printer took 3.01 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:06:59,226 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, 25 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 60 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 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: 67]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of bitwiseAnd at line 19, overapproximation of someBinaryArithmeticFLOAToperation at line 38. Possible FailurePath: [L62] float x = 0.0f; [L13] __int32_t signbit, w, exponent_less_127; [L15] ieee_float_shape_type gf_u; [L16] gf_u.value = (x) [L17] EXPR gf_u.word [L17] (w) = gf_u.word [L19] signbit = w & 0x80000000 [L20] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 [L21] COND FALSE !(exponent_less_127 < 23) [L37] COND TRUE exponent_less_127 == 255 [L38] return x + x; [L63] float res = trunc_float(x); [L66] EXPR res == 0.0f && __signbit_float(res) == 0 [L66] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L67] __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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 139.09 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 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 52.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.95 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 192.59 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: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * CodeCheck took 189.35 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.01 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:07:00,575 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:07:00,576 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:07:00,582 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:07:00,582 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:07:00,583 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:07:00,583 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:07:00,584 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:07:00,585 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:07:00,585 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:07:00,586 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:07:00,586 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:07:00,586 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:07:00,587 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:07:00,588 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:07:00,588 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:07:00,588 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:07:00,589 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:07:00,590 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:07:00,591 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:07:00,592 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:07:00,592 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:07:00,593 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:07:00,594 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:07:00,594 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:07:00,594 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:07:00,595 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:07:00,595 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:07:00,596 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:07:00,596 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:07:00,596 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:07:00,597 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:07:00,597 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:07:00,597 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:07:00,598 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:07:00,598 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:07:00,598 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-08 17:07:00,605 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:07:00,606 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:07:00,606 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:07:00,606 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 17:07:00,607 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 17:07:00,607 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 17:07:00,607 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:07:00,607 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:07:00,607 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:07:00,607 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:07:00,607 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:07:00,607 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:07:00,608 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:07:00,608 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 17:07:00,608 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 17:07:00,608 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:07:00,608 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:07:00,608 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 17:07:00,608 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:07:00,608 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 17:07:00,609 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 17:07:00,609 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:07:00,609 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:07:00,609 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 17:07:00,609 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:07:00,609 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:07:00,609 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:07:00,609 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-08 17:07:00,610 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 17:07:00,610 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:07:00,610 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 17:07:00,610 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 17:07:00,610 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_61e1ce58-4e8a-4b32-a176-31349e546a53/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 -> 8c9432e09ab34163f77fe447dc3730a7acfb00e3 [2018-12-08 17:07:00,629 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:07:00,638 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:07:00,641 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:07:00,642 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:07:00,642 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:07:00,643 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1072c_true-unreach-call.c [2018-12-08 17:07:00,680 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/bin-2019/ukojak/data/6d1cbcc6f/68b74d7ea73c42928e6acd9e177b093b/FLAG59c199b25 [2018-12-08 17:07:00,987 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:07:00,987 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/sv-benchmarks/c/float-newlib/float_req_bl_1072c_true-unreach-call.c [2018-12-08 17:07:00,993 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/bin-2019/ukojak/data/6d1cbcc6f/68b74d7ea73c42928e6acd9e177b093b/FLAG59c199b25 [2018-12-08 17:07:01,004 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/bin-2019/ukojak/data/6d1cbcc6f/68b74d7ea73c42928e6acd9e177b093b [2018-12-08 17:07:01,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:07:01,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:07:01,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:07:01,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:07:01,011 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:07:01,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:07:01" (1/1) ... [2018-12-08 17:07:01,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@267733d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:07:01, skipping insertion in model container [2018-12-08 17:07:01,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:07:01" (1/1) ... [2018-12-08 17:07:01,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:07:01,032 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:07:01,124 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:07:01,128 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:07:01,143 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:07:01,157 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:07:01,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:07:01 WrapperNode [2018-12-08 17:07:01,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:07:01,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:07:01,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:07:01,158 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:07:01,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:07:01" (1/1) ... [2018-12-08 17:07:01,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:07:01" (1/1) ... [2018-12-08 17:07:01,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:07:01,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:07:01,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:07:01,183 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:07:01,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:07:01" (1/1) ... [2018-12-08 17:07:01,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:07:01" (1/1) ... [2018-12-08 17:07:01,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:07:01" (1/1) ... [2018-12-08 17:07:01,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:07:01" (1/1) ... [2018-12-08 17:07:01,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:07:01" (1/1) ... [2018-12-08 17:07:01,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:07:01" (1/1) ... [2018-12-08 17:07:01,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:07:01" (1/1) ... [2018-12-08 17:07:01,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:07:01,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:07:01,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:07:01,203 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:07:01,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:07:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 17:07:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 17:07:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 17:07:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:07:01,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:07:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-08 17:07:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-08 17:07:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 17:07:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 17:07:01,366 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 17:07:01,378 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 17:07:01,450 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:07:01,451 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-08 17:07:01,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:07:01 BoogieIcfgContainer [2018-12-08 17:07:01,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:07:01,452 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 17:07:01,452 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 17:07:01,460 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 17:07:01,460 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:07:01" (1/1) ... [2018-12-08 17:07:01,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:07:01,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:01,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2018-12-08 17:07:01,490 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2018-12-08 17:07:01,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 17:07:01,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:01,523 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 17:07:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:01,539 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:07:01,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:07:01,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:01,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-12-08 17:07:01,552 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-12-08 17:07:01,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 17:07:01,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:01,553 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 17:07:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:01,568 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:07:01,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:07:01,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:01,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2018-12-08 17:07:01,799 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2018-12-08 17:07:01,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 17:07:01,800 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:01,800 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 17:07:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:01,809 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:07:01,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:07:02,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:02,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2018-12-08 17:07:02,330 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2018-12-08 17:07:02,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 17:07:02,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:02,331 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 17:07:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:02,342 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:07:02,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:07:02,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:02,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2018-12-08 17:07:02,346 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2018-12-08 17:07:02,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 17:07:02,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:02,348 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 17:07:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:02,361 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:07:02,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:07:03,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:03,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2018-12-08 17:07:03,041 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-12-08 17:07:03,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 17:07:03,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:03,042 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 17:07:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:03,052 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:07:03,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:07:04,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:04,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-12-08 17:07:04,540 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-12-08 17:07:04,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 17:07:04,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:04,541 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 17:07:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:04,553 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:07:05,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:07:06,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:06,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 17 states and 16 transitions. [2018-12-08 17:07:06,796 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2018-12-08 17:07:06,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 17:07:06,796 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-12-08 17:07:06,801 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 17:07:06,842 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 17:07:06,844 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-08 17:07:06,848 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-08 17:07:06,848 INFO L583 CodeCheckObserver]: Invariant with dag size 13 [2018-12-08 17:07:06,849 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 17:07:06,850 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 17:07:06,850 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 17:07:06,850 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 17:07:06,850 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 17:07:06,850 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 17:07:06,851 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 17:07:06,851 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 17:07:06,851 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-08 17:07:06,851 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-08 17:07:06,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 05:07:06 ImpRootNode [2018-12-08 17:07:06,852 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 17:07:06,852 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:07:06,852 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:07:06,852 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:07:06,853 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:07:01" (3/4) ... [2018-12-08 17:07:06,855 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 17:07:06,862 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-12-08 17:07:06,862 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 17:07:06,862 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 17:07:06,879 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: signbit == ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0])) [2018-12-08 17:07:06,879 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~Pluszero~LONGDOUBLE() [2018-12-08 17:07:06,892 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_61e1ce58-4e8a-4b32-a176-31349e546a53/bin-2019/ukojak/witness.graphml [2018-12-08 17:07:06,892 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:07:06,893 INFO L168 Benchmark]: Toolchain (without parser) took 5885.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -122.2 MB). Peak memory consumption was 88.0 MB. Max. memory is 11.5 GB. [2018-12-08 17:07:06,893 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:07:06,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 149.68 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 17:07:06,894 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.62 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:07:06,894 INFO L168 Benchmark]: Boogie Preprocessor took 19.22 ms. Allocated memory is still 1.0 GB. Free memory was 928.6 MB in the beginning and 927.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2018-12-08 17:07:06,894 INFO L168 Benchmark]: RCFGBuilder took 248.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -191.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-12-08 17:07:06,894 INFO L168 Benchmark]: CodeCheck took 5400.46 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.3 MB). Peak memory consumption was 112.7 MB. Max. memory is 11.5 GB. [2018-12-08 17:07:06,895 INFO L168 Benchmark]: Witness Printer took 39.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:07:06,896 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, 25 locations, 1 error locations. SAFE Result, 5.3s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1132 SDtfs, 478 SDslu, 260 SDs, 0 SdLazy, 2058 SolverSat, 464 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 687 GetRequests, 615 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1646 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 78 ConstructedInterpolants, 13 QuantifiedInterpolants, 3976 SizeOfPredicates, 30 NumberOfNonLiveVariables, 229 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 67]: 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: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: \result == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 24]: Loop Invariant [2018-12-08 17:07:06,897 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 17:07:06,897 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 17:07:06,897 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 17:07:06,897 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 17:07:06,897 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 17:07:06,897 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 17:07:06,898 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-08 17:07:06,898 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: signbit == ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0])) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 149.68 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 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 24.62 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.22 ms. Allocated memory is still 1.0 GB. Free memory was 928.6 MB in the beginning and 927.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 248.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -191.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * CodeCheck took 5400.46 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.3 MB). Peak memory consumption was 112.7 MB. Max. memory is 11.5 GB. * Witness Printer took 39.87 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. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] RESULT: Ultimate proved your program to be correct! Received shutdown request...