./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/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 ad42bb2010d2b192065bfa0d559e83801dcf82da ............................................................................................................................................................................................................................................. 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_43390b19-a412-4fc5-884a-8150c6513123/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/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 ad42bb2010d2b192065bfa0d559e83801dcf82da .................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 20:22:43,880 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 20:22:43,881 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 20:22:43,889 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 20:22:43,889 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 20:22:43,890 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 20:22:43,890 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 20:22:43,891 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 20:22:43,893 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 20:22:43,893 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 20:22:43,894 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 20:22:43,894 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 20:22:43,895 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 20:22:43,895 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 20:22:43,896 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 20:22:43,897 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 20:22:43,897 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 20:22:43,899 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 20:22:43,900 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 20:22:43,901 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 20:22:43,902 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 20:22:43,903 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 20:22:43,904 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 20:22:43,904 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 20:22:43,905 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 20:22:43,905 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 20:22:43,906 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 20:22:43,906 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 20:22:43,907 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 20:22:43,908 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 20:22:43,908 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 20:22:43,908 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 20:22:43,909 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 20:22:43,909 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 20:22:43,909 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 20:22:43,910 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 20:22:43,910 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 20:22:43,920 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 20:22:43,921 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 20:22:43,921 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 20:22:43,921 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 20:22:43,922 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 20:22:43,922 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 20:22:43,922 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 20:22:43,922 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 20:22:43,922 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 20:22:43,922 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 20:22:43,922 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 20:22:43,922 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 20:22:43,923 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 20:22:43,923 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 20:22:43,923 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 20:22:43,923 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 20:22:43,923 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 20:22:43,923 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 20:22:43,923 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 20:22:43,923 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 20:22:43,924 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 20:22:43,924 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 20:22:43,924 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 20:22:43,924 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 20:22:43,924 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 20:22:43,924 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 20:22:43,924 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 20:22:43,924 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 20:22:43,924 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 20:22:43,924 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 20:22:43,924 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_43390b19-a412-4fc5-884a-8150c6513123/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 -> ad42bb2010d2b192065bfa0d559e83801dcf82da [2018-12-08 20:22:43,948 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 20:22:43,956 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 20:22:43,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 20:22:43,960 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 20:22:43,960 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 20:22:43,961 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-12-08 20:22:43,997 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/bin-2019/uautomizer/data/2b641b3f6/98696512ca814465a976db692c30f432/FLAG0d39b5934 [2018-12-08 20:22:44,337 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 20:22:44,337 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-12-08 20:22:44,341 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/bin-2019/uautomizer/data/2b641b3f6/98696512ca814465a976db692c30f432/FLAG0d39b5934 [2018-12-08 20:22:44,728 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/bin-2019/uautomizer/data/2b641b3f6/98696512ca814465a976db692c30f432 [2018-12-08 20:22:44,729 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 20:22:44,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 20:22:44,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 20:22:44,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 20:22:44,733 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 20:22:44,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:22:44" (1/1) ... [2018-12-08 20:22:44,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c562b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:44, skipping insertion in model container [2018-12-08 20:22:44,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:22:44" (1/1) ... [2018-12-08 20:22:44,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 20:22:44,748 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 20:22:44,833 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:22:44,836 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 20:22:44,846 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:22:44,854 INFO L195 MainTranslator]: Completed translation [2018-12-08 20:22:44,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:44 WrapperNode [2018-12-08 20:22:44,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 20:22:44,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 20:22:44,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 20:22:44,855 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 20:22:44,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:44" (1/1) ... [2018-12-08 20:22:44,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:44" (1/1) ... [2018-12-08 20:22:44,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 20:22:44,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 20:22:44,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 20:22:44,867 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 20:22:44,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:44" (1/1) ... [2018-12-08 20:22:44,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:44" (1/1) ... [2018-12-08 20:22:44,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:44" (1/1) ... [2018-12-08 20:22:44,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:44" (1/1) ... [2018-12-08 20:22:44,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:44" (1/1) ... [2018-12-08 20:22:44,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:44" (1/1) ... [2018-12-08 20:22:44,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:44" (1/1) ... [2018-12-08 20:22:44,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 20:22:44,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 20:22:44,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 20:22:44,879 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 20:22:44,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/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 [2018-12-08 20:22:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 20:22:44,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 20:22:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 20:22:44,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 20:22:44,941 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 20:22:44,941 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 20:22:44,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-08 20:22:44,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-08 20:22:45,008 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 20:22:45,009 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-08 20:22:45,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:22:45 BoogieIcfgContainer [2018-12-08 20:22:45,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 20:22:45,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 20:22:45,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 20:22:45,011 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 20:22:45,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 08:22:44" (1/3) ... [2018-12-08 20:22:45,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de14189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:22:45, skipping insertion in model container [2018-12-08 20:22:45,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:44" (2/3) ... [2018-12-08 20:22:45,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de14189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:22:45, skipping insertion in model container [2018-12-08 20:22:45,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:22:45" (3/3) ... [2018-12-08 20:22:45,013 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_float_true-unreach-call_true-termination.c [2018-12-08 20:22:45,018 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 20:22:45,022 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 20:22:45,031 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 20:22:45,047 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 20:22:45,047 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 20:22:45,048 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 20:22:45,048 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 20:22:45,048 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 20:22:45,048 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 20:22:45,048 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 20:22:45,048 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 20:22:45,048 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 20:22:45,057 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-12-08 20:22:45,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 20:22:45,060 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:22:45,060 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:22:45,062 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:22:45,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:22:45,065 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-12-08 20:22:45,066 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 20:22:45,066 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 20:22:45,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:22:45,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:22:45,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:22:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 20:22:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 20:22:45,128 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 20:22:45,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 08:22:45 BoogieIcfgContainer [2018-12-08 20:22:45,141 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 20:22:45,141 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 20:22:45,141 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 20:22:45,141 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 20:22:45,142 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:22:45" (3/4) ... [2018-12-08 20:22:45,144 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 20:22:45,144 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 20:22:45,144 INFO L168 Benchmark]: Toolchain (without parser) took 414.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -120.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:22:45,145 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:22:45,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 123.89 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-12-08 20:22:45,146 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.03 ms. Allocated memory is still 1.0 GB. Free memory is still 942.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:22:45,146 INFO L168 Benchmark]: Boogie Preprocessor took 11.55 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 20:22:45,147 INFO L168 Benchmark]: RCFGBuilder took 130.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -147.8 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-08 20:22:45,147 INFO L168 Benchmark]: TraceAbstraction took 131.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-08 20:22:45,148 INFO L168 Benchmark]: Witness Printer took 2.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:22:45,149 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 123.89 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 12.03 ms. Allocated memory is still 1.0 GB. Free memory is still 942.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.55 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 130.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -147.8 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 131.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * 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 someBinaryFLOATComparisonOperation at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L8] float x,y,r; [L9] x = 77617.f [L10] y = 33096.f [L11] r = 333.75f * y*y*y*y*y*y + x*x * (11.0f * x*x*y*y - y*y*y*y*y*y - 121.0f * y*y*y*y - 2.0f) + 5.5f * y*y*y*y*y*y*y*y + x / (2.f * 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, 0.0s 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 0.1.23-635dfa2 [2018-12-08 20:22:46,425 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 20:22:46,426 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 20:22:46,433 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 20:22:46,433 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 20:22:46,434 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 20:22:46,435 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 20:22:46,436 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 20:22:46,437 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 20:22:46,438 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 20:22:46,438 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 20:22:46,438 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 20:22:46,439 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 20:22:46,439 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 20:22:46,440 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 20:22:46,440 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 20:22:46,440 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 20:22:46,442 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 20:22:46,443 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 20:22:46,444 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 20:22:46,445 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 20:22:46,445 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 20:22:46,447 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 20:22:46,447 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 20:22:46,447 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 20:22:46,448 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 20:22:46,448 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 20:22:46,449 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 20:22:46,450 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 20:22:46,450 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 20:22:46,450 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 20:22:46,451 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 20:22:46,451 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 20:22:46,451 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 20:22:46,452 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 20:22:46,452 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 20:22:46,453 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-08 20:22:46,462 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 20:22:46,463 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 20:22:46,463 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 20:22:46,464 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 20:22:46,464 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 20:22:46,464 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 20:22:46,464 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 20:22:46,465 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 20:22:46,465 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 20:22:46,465 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 20:22:46,465 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 20:22:46,465 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 20:22:46,465 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 20:22:46,466 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 20:22:46,466 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 20:22:46,466 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 20:22:46,466 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 20:22:46,466 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 20:22:46,466 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 20:22:46,466 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 20:22:46,467 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 20:22:46,467 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 20:22:46,467 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 20:22:46,467 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 20:22:46,467 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 20:22:46,467 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 20:22:46,468 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 20:22:46,468 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 20:22:46,468 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-08 20:22:46,468 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 20:22:46,468 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 20:22:46,468 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 20:22:46,468 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_43390b19-a412-4fc5-884a-8150c6513123/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 -> ad42bb2010d2b192065bfa0d559e83801dcf82da [2018-12-08 20:22:46,493 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 20:22:46,501 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 20:22:46,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 20:22:46,504 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 20:22:46,505 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 20:22:46,505 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-12-08 20:22:46,542 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/bin-2019/uautomizer/data/02a8fdac9/1531b910482e40f3bf1e5ac94f3bff52/FLAGd45413e56 [2018-12-08 20:22:46,961 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 20:22:46,961 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-12-08 20:22:46,965 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/bin-2019/uautomizer/data/02a8fdac9/1531b910482e40f3bf1e5ac94f3bff52/FLAGd45413e56 [2018-12-08 20:22:46,973 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/bin-2019/uautomizer/data/02a8fdac9/1531b910482e40f3bf1e5ac94f3bff52 [2018-12-08 20:22:46,975 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 20:22:46,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 20:22:46,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 20:22:46,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 20:22:46,978 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 20:22:46,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:22:46" (1/1) ... [2018-12-08 20:22:46,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e17b51d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:46, skipping insertion in model container [2018-12-08 20:22:46,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:22:46" (1/1) ... [2018-12-08 20:22:46,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 20:22:46,993 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 20:22:47,079 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:22:47,083 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 20:22:47,094 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:22:47,102 INFO L195 MainTranslator]: Completed translation [2018-12-08 20:22:47,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:47 WrapperNode [2018-12-08 20:22:47,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 20:22:47,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 20:22:47,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 20:22:47,103 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 20:22:47,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:47" (1/1) ... [2018-12-08 20:22:47,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:47" (1/1) ... [2018-12-08 20:22:47,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 20:22:47,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 20:22:47,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 20:22:47,118 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 20:22:47,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:47" (1/1) ... [2018-12-08 20:22:47,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:47" (1/1) ... [2018-12-08 20:22:47,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:47" (1/1) ... [2018-12-08 20:22:47,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:47" (1/1) ... [2018-12-08 20:22:47,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:47" (1/1) ... [2018-12-08 20:22:47,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:47" (1/1) ... [2018-12-08 20:22:47,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:47" (1/1) ... [2018-12-08 20:22:47,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 20:22:47,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 20:22:47,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 20:22:47,132 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 20:22:47,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/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 [2018-12-08 20:22:47,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 20:22:47,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 20:22:47,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 20:22:47,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 20:22:47,193 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 20:22:47,193 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 20:22:47,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-08 20:22:47,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-08 20:22:47,274 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 20:22:47,274 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-08 20:22:47,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:22:47 BoogieIcfgContainer [2018-12-08 20:22:47,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 20:22:47,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 20:22:47,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 20:22:47,277 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 20:22:47,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 08:22:46" (1/3) ... [2018-12-08 20:22:47,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1464bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:22:47, skipping insertion in model container [2018-12-08 20:22:47,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:22:47" (2/3) ... [2018-12-08 20:22:47,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1464bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:22:47, skipping insertion in model container [2018-12-08 20:22:47,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:22:47" (3/3) ... [2018-12-08 20:22:47,279 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_float_true-unreach-call_true-termination.c [2018-12-08 20:22:47,285 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 20:22:47,289 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 20:22:47,297 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 20:22:47,319 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 20:22:47,320 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 20:22:47,320 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 20:22:47,320 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 20:22:47,320 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 20:22:47,320 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 20:22:47,320 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 20:22:47,320 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 20:22:47,320 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 20:22:47,330 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-12-08 20:22:47,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 20:22:47,333 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:22:47,333 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:22:47,335 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:22:47,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:22:47,338 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-12-08 20:22:47,340 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 20:22:47,340 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/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 [2018-12-08 20:22:47,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:22:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:22:49,573 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:22:49,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:22:49,657 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 20:22:49,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:22:49,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 20:22:49,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 20:22:49,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 20:22:49,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 20:22:49,694 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 5 states. [2018-12-08 20:22:49,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:22:49,729 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-12-08 20:22:49,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 20:22:49,730 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-12-08 20:22:49,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:22:49,734 INFO L225 Difference]: With dead ends: 24 [2018-12-08 20:22:49,734 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 20:22:49,736 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 [2018-12-08 20:22:49,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 20:22:49,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 20:22:49,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 20:22:49,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 20:22:49,750 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-12-08 20:22:49,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:22:49,751 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 20:22:49,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 20:22:49,751 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 20:22:49,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 20:22:49,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 20:22:49,782 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-08 20:22:49,782 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 20:22:49,782 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 20:22:49,783 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-08 20:22:49,783 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 20:22:49,783 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 20:22:49,783 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 6 15) the Hoare annotation is: true [2018-12-08 20:22:49,783 INFO L444 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (= (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 77617.0)) (.cse2 ((_ to_fp 8 24) roundNearestTiesToEven 2.0)) (.cse0 ((_ to_fp 8 24) 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 8 24) 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 8 24) 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 8 24) 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 8 24) 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) [2018-12-08 20:22:49,783 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 6 15) no Hoare annotation was computed. [2018-12-08 20:22:49,783 INFO L448 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2018-12-08 20:22:49,783 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 6 15) no Hoare annotation was computed. [2018-12-08 20:22:49,784 INFO L448 ceAbstractionStarter]: For program point L4-3(line 4) no Hoare annotation was computed. [2018-12-08 20:22:49,784 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 4) the Hoare annotation is: true [2018-12-08 20:22:49,784 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 4) no Hoare annotation was computed. [2018-12-08 20:22:49,784 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-12-08 20:22:49,784 INFO L448 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-12-08 20:22:49,784 INFO L448 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2018-12-08 20:22:49,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 08:22:49 BoogieIcfgContainer [2018-12-08 20:22:49,786 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 20:22:49,786 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 20:22:49,786 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 20:22:49,786 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 20:22:49,787 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:22:47" (3/4) ... [2018-12-08 20:22:49,789 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 20:22:49,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 20:22:49,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 20:22:49,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-08 20:22:49,795 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-08 20:22:49,796 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 20:22:49,796 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 20:22:49,816 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_43390b19-a412-4fc5-884a-8150c6513123/bin-2019/uautomizer/witness.graphml [2018-12-08 20:22:49,816 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 20:22:49,817 INFO L168 Benchmark]: Toolchain (without parser) took 2841.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -116.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2018-12-08 20:22:49,818 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:22:49,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 127.02 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-08 20:22:49,818 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.02 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. [2018-12-08 20:22:49,818 INFO L168 Benchmark]: Boogie Preprocessor took 14.20 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 20:22:49,819 INFO L168 Benchmark]: RCFGBuilder took 142.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-08 20:22:49,819 INFO L168 Benchmark]: TraceAbstraction took 2511.09 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: 41.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 11.5 GB. [2018-12-08 20:22:49,819 INFO L168 Benchmark]: Witness Printer took 30.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:22:49,821 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 127.02 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 14.02 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 14.20 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 142.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2511.09 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: 41.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 11.5 GB. * Witness Printer took 30.34 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: - 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, 2.4s 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, 2.0s SatisfiabilityAnalysisTime, 0.2s 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...