./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0730c_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730c_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/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 2fdd6b263368afa8ce8882c7fab6c0f595a3666c ............................................................................................................................................................................................................................................. 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_439a366f-2179-477d-b794-9354cb24ae36/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730c_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/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 2fdd6b263368afa8ce8882c7fab6c0f595a3666c .................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:46:09,869 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:46:09,870 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:46:09,878 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:46:09,878 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:46:09,878 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:46:09,879 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:46:09,880 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:46:09,881 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:46:09,882 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:46:09,883 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:46:09,883 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:46:09,883 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:46:09,884 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:46:09,885 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:46:09,886 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:46:09,886 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:46:09,887 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:46:09,888 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:46:09,889 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:46:09,890 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:46:09,891 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:46:09,892 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:46:09,893 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:46:09,893 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:46:09,893 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:46:09,894 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:46:09,895 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:46:09,895 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:46:09,896 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:46:09,896 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:46:09,897 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:46:09,897 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:46:09,897 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:46:09,897 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:46:09,898 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:46:09,898 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 04:46:09,907 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:46:09,908 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:46:09,908 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:46:09,908 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:46:09,909 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:46:09,909 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:46:09,909 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:46:09,909 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:46:09,909 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:46:09,909 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:46:09,910 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:46:09,910 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:46:09,910 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:46:09,910 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:46:09,910 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:46:09,910 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:46:09,910 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:46:09,910 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:46:09,911 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:46:09,911 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:46:09,911 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:46:09,911 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:46:09,911 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:46:09,911 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:46:09,911 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:46:09,912 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 04:46:09,912 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:46:09,912 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:46:09,912 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_439a366f-2179-477d-b794-9354cb24ae36/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 -> 2fdd6b263368afa8ce8882c7fab6c0f595a3666c [2018-11-10 04:46:09,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:46:09,943 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:46:09,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:46:09,946 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:46:09,946 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:46:09,947 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_0730c_true-unreach-call.c [2018-11-10 04:46:09,983 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/bin-2019/ukojak/data/dda543c80/7e2e02707e5e4c8c9054b99e001817f7/FLAGe72564766 [2018-11-10 04:46:10,320 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:46:10,320 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/sv-benchmarks/c/float-newlib/float_req_bl_0730c_true-unreach-call.c [2018-11-10 04:46:10,326 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/bin-2019/ukojak/data/dda543c80/7e2e02707e5e4c8c9054b99e001817f7/FLAGe72564766 [2018-11-10 04:46:10,335 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/bin-2019/ukojak/data/dda543c80/7e2e02707e5e4c8c9054b99e001817f7 [2018-11-10 04:46:10,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:46:10,339 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:46:10,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:46:10,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:46:10,343 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:46:10,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:46:10" (1/1) ... [2018-11-10 04:46:10,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1114ae3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:46:10, skipping insertion in model container [2018-11-10 04:46:10,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:46:10" (1/1) ... [2018-11-10 04:46:10,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:46:10,374 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:46:10,496 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:46:10,498 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:46:10,520 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:46:10,536 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:46:10,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:46:10 WrapperNode [2018-11-10 04:46:10,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:46:10,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:46:10,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:46:10,537 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:46:10,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:46:10" (1/1) ... [2018-11-10 04:46:10,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:46:10" (1/1) ... [2018-11-10 04:46:10,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:46:10,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:46:10,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:46:10,567 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:46:10,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:46:10" (1/1) ... [2018-11-10 04:46:10,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:46:10" (1/1) ... [2018-11-10 04:46:10,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:46:10" (1/1) ... [2018-11-10 04:46:10,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:46:10" (1/1) ... [2018-11-10 04:46:10,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:46:10" (1/1) ... [2018-11-10 04:46:10,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:46:10" (1/1) ... [2018-11-10 04:46:10,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:46:10" (1/1) ... [2018-11-10 04:46:10,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:46:10,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:46:10,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:46:10,626 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:46:10,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:46:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:46:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 04:46:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 04:46:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-10 04:46:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:46:10,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:46:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 04:46:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 04:46:11,055 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:46:11,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:46:11 BoogieIcfgContainer [2018-11-10 04:46:11,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:46:11,056 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:46:11,056 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:46:11,062 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:46:11,063 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:46:11" (1/1) ... [2018-11-10 04:46:11,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:46:11,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:46:11,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2018-11-10 04:46:11,096 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2018-11-10 04:46:11,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 04:46:11,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:46:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:46:11,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:46:11,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:46:11,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2018-11-10 04:46:11,171 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2018-11-10 04:46:11,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 04:46:11,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:46:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:46:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:46:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:46:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:46:11,245 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-10 04:46:11,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:46:11 ImpRootNode [2018-11-10 04:46:11,270 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:46:11,270 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:46:11,271 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:46:11,271 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:46:11,271 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:46:11" (3/4) ... [2018-11-10 04:46:11,274 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 04:46:11,274 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:46:11,275 INFO L168 Benchmark]: Toolchain (without parser) took 936.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -114.0 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:46:11,276 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:46:11,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 196.90 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 941.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:46:11,277 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.05 ms. Allocated memory is still 1.0 GB. Free memory is still 941.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:46:11,277 INFO L168 Benchmark]: Boogie Preprocessor took 58.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -193.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-10 04:46:11,278 INFO L168 Benchmark]: RCFGBuilder took 429.77 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: 49.0 MB). Peak memory consumption was 49.0 MB. Max. memory is 11.5 GB. [2018-11-10 04:46:11,278 INFO L168 Benchmark]: CodeCheck took 214.70 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: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2018-11-10 04:46:11,279 INFO L168 Benchmark]: Witness Printer took 3.87 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. [2018-11-10 04:46:11,282 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, 62 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, 57 GetRequests, 57 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 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: 106]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 105, overapproximation of bitwiseAnd at line 24, overapproximation of someUnaryFLOAToperation at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 27. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L101] float x = -0.0f; [L102] CALL, EXPR __ieee754_sqrtf(x) [L15] float z; [L16] __uint32_t r, hx; [L17] __int32_t ix, s, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L20] FCALL ieee_float_shape_type gf_u; [L21] FCALL gf_u.value = (x) [L22] EXPR, FCALL gf_u.word [L22] (ix) = gf_u.word [L23] COND FALSE !(0) VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L24] hx = ix & 0x7fffffff VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L26] COND TRUE !((hx) < 0x7f800000L) [L27] RET return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L102] EXPR __ieee754_sqrtf(x) [L102] float res = __ieee754_sqrtf(x); [L105] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L105] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L106] __VERIFIER_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] * 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 196.90 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 941.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.05 ms. Allocated memory is still 1.0 GB. Free memory is still 941.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -193.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 429.77 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: 49.0 MB). Peak memory consumption was 49.0 MB. Max. memory is 11.5 GB. * CodeCheck took 214.70 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: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.87 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. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:46:12,661 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:46:12,662 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:46:12,669 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:46:12,669 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:46:12,670 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:46:12,671 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:46:12,672 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:46:12,673 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:46:12,673 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:46:12,674 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:46:12,674 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:46:12,675 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:46:12,676 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:46:12,676 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:46:12,677 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:46:12,677 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:46:12,679 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:46:12,680 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:46:12,681 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:46:12,682 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:46:12,682 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:46:12,684 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:46:12,684 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:46:12,684 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:46:12,685 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:46:12,686 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:46:12,686 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:46:12,687 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:46:12,688 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:46:12,688 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:46:12,688 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:46:12,688 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:46:12,688 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:46:12,689 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:46:12,690 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:46:12,690 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 04:46:12,700 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:46:12,700 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:46:12,701 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:46:12,701 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:46:12,701 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:46:12,702 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:46:12,702 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:46:12,702 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:46:12,702 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:46:12,702 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:46:12,702 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:46:12,703 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:46:12,703 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:46:12,703 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 04:46:12,703 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 04:46:12,703 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:46:12,703 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:46:12,703 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:46:12,703 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:46:12,704 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:46:12,704 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:46:12,704 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:46:12,704 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:46:12,704 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:46:12,704 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:46:12,704 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:46:12,705 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 04:46:12,705 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 04:46:12,705 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:46:12,705 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 04:46:12,705 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 04:46:12,705 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_439a366f-2179-477d-b794-9354cb24ae36/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 -> 2fdd6b263368afa8ce8882c7fab6c0f595a3666c [2018-11-10 04:46:12,733 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:46:12,741 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:46:12,743 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:46:12,744 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:46:12,744 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:46:12,744 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_0730c_true-unreach-call.c [2018-11-10 04:46:12,779 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/bin-2019/ukojak/data/3682e7fa8/4c6b9785f835450b88d20bd1b6b387c2/FLAGbd5632607 [2018-11-10 04:46:13,176 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:46:13,177 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/sv-benchmarks/c/float-newlib/float_req_bl_0730c_true-unreach-call.c [2018-11-10 04:46:13,182 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/bin-2019/ukojak/data/3682e7fa8/4c6b9785f835450b88d20bd1b6b387c2/FLAGbd5632607 [2018-11-10 04:46:13,191 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/bin-2019/ukojak/data/3682e7fa8/4c6b9785f835450b88d20bd1b6b387c2 [2018-11-10 04:46:13,193 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:46:13,194 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:46:13,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:46:13,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:46:13,197 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:46:13,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:46:13" (1/1) ... [2018-11-10 04:46:13,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f8d87e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:46:13, skipping insertion in model container [2018-11-10 04:46:13,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:46:13" (1/1) ... [2018-11-10 04:46:13,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:46:13,221 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:46:13,341 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:46:13,345 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:46:13,367 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:46:13,387 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:46:13,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:46:13 WrapperNode [2018-11-10 04:46:13,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:46:13,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:46:13,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:46:13,388 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:46:13,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:46:13" (1/1) ... [2018-11-10 04:46:13,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:46:13" (1/1) ... [2018-11-10 04:46:13,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:46:13,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:46:13,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:46:13,418 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:46:13,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:46:13" (1/1) ... [2018-11-10 04:46:13,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:46:13" (1/1) ... [2018-11-10 04:46:13,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:46:13" (1/1) ... [2018-11-10 04:46:13,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:46:13" (1/1) ... [2018-11-10 04:46:13,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:46:13" (1/1) ... [2018-11-10 04:46:13,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:46:13" (1/1) ... [2018-11-10 04:46:13,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:46:13" (1/1) ... [2018-11-10 04:46:13,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:46:13,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:46:13,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:46:13,445 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:46:13,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:46:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:46:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 04:46:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 04:46:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:46:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:46:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-10 04:46:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 04:46:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-10 04:46:13,648 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:46:13,656 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:46:13,659 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:46:13,669 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:46:15,107 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:46:15,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:46:15 BoogieIcfgContainer [2018-11-10 04:46:15,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:46:15,108 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:46:15,108 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:46:15,115 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:46:15,115 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:46:15" (1/1) ... [2018-11-10 04:46:15,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:46:15,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:46:15,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2018-11-10 04:46:15,143 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2018-11-10 04:46:15,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 04:46:15,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:46:15,182 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 04:46:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:46:15,198 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:46:15,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:46:15,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:46:15,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2018-11-10 04:46:15,213 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2018-11-10 04:46:15,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 04:46:15,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:46:15,214 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 04:46:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:46:15,252 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:46:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:46:15,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:46:15,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2018-11-10 04:46:15,747 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2018-11-10 04:46:15,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 04:46:15,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:46:15,748 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 04:46:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:46:15,769 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:46:15,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:46:23,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:46:23,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2018-11-10 04:46:23,736 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2018-11-10 04:46:23,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 04:46:23,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:46:23,737 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 04:46:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:46:23,843 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:46:23,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:46:23,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:46:23,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-11-10 04:46:23,932 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-11-10 04:46:23,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 04:46:23,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:46:23,934 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 04:46:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:46:23,943 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:46:23,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:46:23,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:46:23,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 16 states and 15 transitions. [2018-11-10 04:46:23,947 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2018-11-10 04:46:23,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 04:46:23,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:46:23,949 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 04:46:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:46:23,966 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:46:24,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:46:24,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:46:24,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 14 states and 13 transitions. [2018-11-10 04:46:24,329 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2018-11-10 04:46:24,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 04:46:24,330 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-11-10 04:46:24,340 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 04:46:24,381 INFO L582 CodeCheckObserver]: Invariant with dag size 4 [2018-11-10 04:46:24,386 INFO L582 CodeCheckObserver]: Invariant with dag size 8 [2018-11-10 04:46:24,387 INFO L582 CodeCheckObserver]: Invariant with dag size 4 [2018-11-10 04:46:24,387 INFO L582 CodeCheckObserver]: Invariant with dag size 4 [2018-11-10 04:46:24,387 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 04:46:24,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:46:24 ImpRootNode [2018-11-10 04:46:24,388 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:46:24,388 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:46:24,388 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:46:24,389 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:46:24,389 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:46:15" (3/4) ... [2018-11-10 04:46:24,392 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:46:24,398 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-10 04:46:24,398 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-10 04:46:24,399 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-10 04:46:24,399 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 04:46:24,415 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == \result [2018-11-10 04:46:24,439 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_439a366f-2179-477d-b794-9354cb24ae36/bin-2019/ukojak/witness.graphml [2018-11-10 04:46:24,439 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:46:24,439 INFO L168 Benchmark]: Toolchain (without parser) took 11246.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 948.7 MB in the beginning and 934.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 163.1 MB. Max. memory is 11.5 GB. [2018-11-10 04:46:24,440 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-11-10 04:46:24,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.81 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 04:46:24,441 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.55 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:46:24,441 INFO L168 Benchmark]: Boogie Preprocessor took 27.15 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:46:24,441 INFO L168 Benchmark]: RCFGBuilder took 1663.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -150.3 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:46:24,441 INFO L168 Benchmark]: CodeCheck took 9279.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 940.7 MB in the end (delta: 142.2 MB). Peak memory consumption was 142.2 MB. Max. memory is 11.5 GB. [2018-11-10 04:46:24,441 INFO L168 Benchmark]: Witness Printer took 50.66 ms. Allocated memory is still 1.2 GB. Free memory was 940.7 MB in the beginning and 934.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:46:24,442 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, 62 locations, 1 error locations. SAFE Result, 9.2s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 628 SDtfs, 198 SDslu, 132 SDs, 0 SdLazy, 932 SolverSat, 306 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 485 GetRequests, 454 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 57 ConstructedInterpolants, 3 QuantifiedInterpolants, 2051 SizeOfPredicates, 25 NumberOfNonLiveVariables, 173 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 106]: 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: 19]: Loop Invariant Derived loop invariant: ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == \result - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 192.81 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.55 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.15 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1663.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -150.3 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * CodeCheck took 9279.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 940.7 MB in the end (delta: 142.2 MB). Peak memory consumption was 142.2 MB. Max. memory is 11.5 GB. * Witness Printer took 50.66 ms. Allocated memory is still 1.2 GB. Free memory was 940.7 MB in the beginning and 934.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...