./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 ............................................................................................................................................................................................................................................. 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_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 .................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:20:22,317 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:20:22,318 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:20:22,325 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:20:22,325 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:20:22,326 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:20:22,327 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:20:22,328 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:20:22,329 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:20:22,329 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:20:22,330 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:20:22,330 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:20:22,331 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:20:22,331 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:20:22,332 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:20:22,333 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:20:22,333 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:20:22,334 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:20:22,336 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:20:22,337 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:20:22,338 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:20:22,339 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:20:22,340 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:20:22,340 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:20:22,340 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:20:22,341 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:20:22,341 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:20:22,342 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:20:22,343 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:20:22,343 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:20:22,344 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:20:22,344 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:20:22,344 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:20:22,344 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:20:22,345 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:20:22,346 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:20:22,346 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:20:22,355 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:20:22,355 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:20:22,356 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:20:22,356 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:20:22,357 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:20:22,357 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:20:22,357 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:20:22,357 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:20:22,357 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:20:22,357 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:20:22,357 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:20:22,358 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:20:22,358 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:20:22,358 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:20:22,358 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:20:22,358 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:20:22,358 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:20:22,358 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:20:22,358 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:20:22,359 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:20:22,359 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:20:22,359 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:20:22,359 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:20:22,359 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:20:22,359 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:20:22,359 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:20:22,360 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:20:22,360 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:20:22,360 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:20:22,360 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:20:22,360 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_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer 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 -> Automizer 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 -> b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 [2018-11-28 12:20:22,382 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:20:22,391 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:20:22,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:20:22,394 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:20:22,394 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:20:22,395 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-11-28 12:20:22,430 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer/data/c629ec16e/617a3b8982b84da0a160bdc5df6882bb/FLAGc074a3ec8 [2018-11-28 12:20:22,821 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:20:22,821 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-11-28 12:20:22,826 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer/data/c629ec16e/617a3b8982b84da0a160bdc5df6882bb/FLAGc074a3ec8 [2018-11-28 12:20:22,836 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer/data/c629ec16e/617a3b8982b84da0a160bdc5df6882bb [2018-11-28 12:20:22,838 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:20:22,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:20:22,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:20:22,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:20:22,843 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:20:22,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:20:22" (1/1) ... [2018-11-28 12:20:22,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e5d7c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:22, skipping insertion in model container [2018-11-28 12:20:22,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:20:22" (1/1) ... [2018-11-28 12:20:22,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:20:22,860 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:20:22,957 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:20:22,959 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:20:22,969 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:20:22,977 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:20:22,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:22 WrapperNode [2018-11-28 12:20:22,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:20:22,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:20:22,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:20:22,978 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:20:22,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:22" (1/1) ... [2018-11-28 12:20:22,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:22" (1/1) ... [2018-11-28 12:20:22,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:20:22,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:20:22,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:20:22,995 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:20:23,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:22" (1/1) ... [2018-11-28 12:20:23,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:22" (1/1) ... [2018-11-28 12:20:23,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:22" (1/1) ... [2018-11-28 12:20:23,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:22" (1/1) ... [2018-11-28 12:20:23,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:22" (1/1) ... [2018-11-28 12:20:23,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:22" (1/1) ... [2018-11-28 12:20:23,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:22" (1/1) ... [2018-11-28 12:20:23,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:20:23,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:20:23,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:20:23,012 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:20:23,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-11-28 12:20:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:20:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:20:23,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:20:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:20:23,085 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:20:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:20:23,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-28 12:20:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-28 12:20:23,172 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:20:23,173 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 12:20:23,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:23 BoogieIcfgContainer [2018-11-28 12:20:23,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:20:23,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:20:23,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:20:23,176 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:20:23,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:20:22" (1/3) ... [2018-11-28 12:20:23,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408547d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:20:23, skipping insertion in model container [2018-11-28 12:20:23,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:22" (2/3) ... [2018-11-28 12:20:23,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408547d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:20:23, skipping insertion in model container [2018-11-28 12:20:23,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:23" (3/3) ... [2018-11-28 12:20:23,179 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_double_true-unreach-call_true-termination.c [2018-11-28 12:20:23,184 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:20:23,189 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:20:23,198 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:20:23,223 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:20:23,223 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:20:23,224 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:20:23,224 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:20:23,224 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:20:23,224 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:20:23,224 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:20:23,224 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:20:23,224 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:20:23,238 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-28 12:20:23,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 12:20:23,243 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:20:23,243 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:20:23,245 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:20:23,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:20:23,250 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-11-28 12:20:23,251 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:20:23,252 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:20:23,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:20:23,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:20:23,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:20:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:20:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:20:23,326 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 12:20:23,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:20:23 BoogieIcfgContainer [2018-11-28 12:20:23,345 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:20:23,346 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:20:23,346 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:20:23,346 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:20:23,346 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:23" (3/4) ... [2018-11-28 12:20:23,350 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 12:20:23,350 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:20:23,351 INFO L168 Benchmark]: Toolchain (without parser) took 512.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 959.8 MB in the beginning and 1.1 GB in the end (delta: -164.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:20:23,352 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:20:23,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 137.98 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 947.9 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:20:23,353 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.65 ms. Allocated memory is still 1.0 GB. Free memory is still 947.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:20:23,353 INFO L168 Benchmark]: Boogie Preprocessor took 16.38 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 945.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:20:23,354 INFO L168 Benchmark]: RCFGBuilder took 161.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -192.7 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:20:23,355 INFO L168 Benchmark]: TraceAbstraction took 172.13 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:20:23,355 INFO L168 Benchmark]: Witness Printer took 4.53 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. [2018-11-28 12:20:23,358 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 137.98 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 947.9 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.65 ms. Allocated memory is still 1.0 GB. Free memory is still 947.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.38 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 945.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 161.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -192.7 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 172.13 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.53 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.plugins.generator.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 13, overapproximation of someBinaryArithmeticDOUBLEoperation at line 11. Possible FailurePath: [L8] double x,y,r; [L9] x = 77617. [L10] y = 33096. [L11] r = 333.75 * y*y*y*y*y*y + x*x * (11.0 * x*x*y*y - y*y*y*y*y*y - 121.0 * y*y*y*y - 2.0) + 5.5 * y*y*y*y*y*y*y*y + x / (2. * y) VAL [x=77617, y=33096] [L13] CALL __VERIFIER_assert((r >= 0)) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, traceCheckStatistics: No data available, 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: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:20:24,845 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:20:24,847 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:20:24,855 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:20:24,856 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:20:24,856 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:20:24,857 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:20:24,859 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:20:24,860 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:20:24,860 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:20:24,861 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:20:24,861 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:20:24,862 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:20:24,863 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:20:24,864 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:20:24,864 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:20:24,865 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:20:24,866 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:20:24,868 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:20:24,869 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:20:24,869 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:20:24,871 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:20:24,872 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:20:24,872 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:20:24,873 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:20:24,873 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:20:24,874 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:20:24,875 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:20:24,876 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:20:24,876 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:20:24,876 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:20:24,877 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:20:24,877 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:20:24,877 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:20:24,878 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:20:24,879 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:20:24,879 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 12:20:24,889 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:20:24,890 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:20:24,890 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:20:24,890 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:20:24,891 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:20:24,891 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:20:24,891 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:20:24,891 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:20:24,892 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:20:24,892 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:20:24,892 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:20:24,892 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:20:24,892 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:20:24,892 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:20:24,892 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 12:20:24,892 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 12:20:24,893 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:20:24,893 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:20:24,893 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:20:24,893 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:20:24,893 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:20:24,893 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:20:24,894 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:20:24,894 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:20:24,894 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:20:24,896 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:20:24,896 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:20:24,896 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:20:24,896 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 12:20:24,896 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:20:24,896 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 12:20:24,897 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 12:20:24,897 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_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer 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 -> Automizer 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 -> b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 [2018-11-28 12:20:24,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:20:24,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:20:24,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:20:24,932 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:20:24,932 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:20:24,933 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-11-28 12:20:24,967 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer/data/4f1b371f0/4d45e2056cb64b4f9f7e00086a752917/FLAGe1b8144c1 [2018-11-28 12:20:25,353 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:20:25,354 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-11-28 12:20:25,357 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer/data/4f1b371f0/4d45e2056cb64b4f9f7e00086a752917/FLAGe1b8144c1 [2018-11-28 12:20:25,366 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer/data/4f1b371f0/4d45e2056cb64b4f9f7e00086a752917 [2018-11-28 12:20:25,368 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:20:25,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:20:25,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:20:25,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:20:25,373 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:20:25,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:20:25" (1/1) ... [2018-11-28 12:20:25,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@500de133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:25, skipping insertion in model container [2018-11-28 12:20:25,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:20:25" (1/1) ... [2018-11-28 12:20:25,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:20:25,394 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:20:25,499 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:20:25,503 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:20:25,515 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:20:25,525 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:20:25,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:25 WrapperNode [2018-11-28 12:20:25,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:20:25,526 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:20:25,526 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:20:25,527 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:20:25,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:25" (1/1) ... [2018-11-28 12:20:25,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:25" (1/1) ... [2018-11-28 12:20:25,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:20:25,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:20:25,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:20:25,543 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:20:25,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:25" (1/1) ... [2018-11-28 12:20:25,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:25" (1/1) ... [2018-11-28 12:20:25,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:25" (1/1) ... [2018-11-28 12:20:25,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:25" (1/1) ... [2018-11-28 12:20:25,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:25" (1/1) ... [2018-11-28 12:20:25,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:25" (1/1) ... [2018-11-28 12:20:25,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:25" (1/1) ... [2018-11-28 12:20:25,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:20:25,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:20:25,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:20:25,560 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:20:25,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-11-28 12:20:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:20:25,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:20:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:20:25,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:20:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:20:25,628 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:20:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-28 12:20:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-28 12:20:25,714 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:20:25,714 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 12:20:25,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:25 BoogieIcfgContainer [2018-11-28 12:20:25,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:20:25,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:20:25,715 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:20:25,717 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:20:25,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:20:25" (1/3) ... [2018-11-28 12:20:25,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a13c4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:20:25, skipping insertion in model container [2018-11-28 12:20:25,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:25" (2/3) ... [2018-11-28 12:20:25,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a13c4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:20:25, skipping insertion in model container [2018-11-28 12:20:25,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:25" (3/3) ... [2018-11-28 12:20:25,719 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_double_true-unreach-call_true-termination.c [2018-11-28 12:20:25,725 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:20:25,729 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:20:25,737 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:20:25,760 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:20:25,760 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:20:25,761 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:20:25,761 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:20:25,761 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:20:25,761 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:20:25,761 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:20:25,761 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:20:25,761 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:20:25,771 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-28 12:20:25,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 12:20:25,774 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:20:25,775 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:20:25,777 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:20:25,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:20:25,780 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-11-28 12:20:25,783 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 12:20:25,783 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-28 12:20:25,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:20:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:20:37,593 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:20:37,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:20:37,704 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:20:37,789 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:20:37,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:20:37,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:20:37,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:20:37,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:20:37,800 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 5 states. [2018-11-28 12:20:37,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:20:37,833 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-11-28 12:20:37,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:20:37,835 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-11-28 12:20:37,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:20:37,839 INFO L225 Difference]: With dead ends: 24 [2018-11-28 12:20:37,839 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:20:37,841 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:20:37,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:20:37,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:20:37,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:20:37,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:20:37,857 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-11-28 12:20:37,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:20:37,857 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:20:37,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:20:37,858 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:20:37,858 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:20:37,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:20:37,895 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-28 12:20:37,895 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:20:37,895 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:20:37,895 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 12:20:37,895 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:20:37,895 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:20:37,896 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 6 15) the Hoare annotation is: true [2018-11-28 12:20:37,896 INFO L444 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (= (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 77617.0)) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 33096.0))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse1) (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div roundNearestTiesToEven .cse1 (fp.mul roundNearestTiesToEven .cse2 .cse0)))) main_~r~0) [2018-11-28 12:20:37,896 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 6 15) no Hoare annotation was computed. [2018-11-28 12:20:37,896 INFO L448 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2018-11-28 12:20:37,896 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 6 15) no Hoare annotation was computed. [2018-11-28 12:20:37,902 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-11-28 12:20:37,902 INFO L448 ceAbstractionStarter]: For program point L4-3(line 4) no Hoare annotation was computed. [2018-11-28 12:20:37,902 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 4) the Hoare annotation is: true [2018-11-28 12:20:37,903 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 4) no Hoare annotation was computed. [2018-11-28 12:20:37,903 INFO L448 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-11-28 12:20:37,903 INFO L448 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2018-11-28 12:20:37,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:20:37 BoogieIcfgContainer [2018-11-28 12:20:37,905 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:20:37,905 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:20:37,906 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:20:37,906 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:20:37,906 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:25" (3/4) ... [2018-11-28 12:20:37,909 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:20:37,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:20:37,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:20:37,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-28 12:20:37,916 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-28 12:20:37,916 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 12:20:37,916 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 12:20:37,939 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f8da1e6b-591e-4ce3-bc36-3e3542c39290/bin-2019/uautomizer/witness.graphml [2018-11-28 12:20:37,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:20:37,940 INFO L168 Benchmark]: Toolchain (without parser) took 12571.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 948.7 MB in the beginning and 1.0 GB in the end (delta: -95.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:20:37,941 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:20:37,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.19 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 938.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:20:37,942 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.02 ms. Allocated memory is still 1.0 GB. Free memory is still 938.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:20:37,942 INFO L168 Benchmark]: Boogie Preprocessor took 17.03 ms. Allocated memory is still 1.0 GB. Free memory was 938.0 MB in the beginning and 932.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:20:37,942 INFO L168 Benchmark]: RCFGBuilder took 155.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -155.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:20:37,943 INFO L168 Benchmark]: TraceAbstraction took 12189.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:20:37,943 INFO L168 Benchmark]: Witness Printer took 34.08 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:20:37,945 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * 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 978.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 156.19 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 938.0 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 16.02 ms. Allocated memory is still 1.0 GB. Free memory is still 938.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.03 ms. Allocated memory is still 1.0 GB. Free memory was 938.0 MB in the beginning and 932.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 155.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -155.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12189.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. * Witness Printer took 34.08 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. SAFE Result, 12.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 7 SDslu, 27 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, traceCheckStatistics: No data available, 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 195 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 11.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 1640 SizeOfPredicates, 4 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...