./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i --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_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/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 4402e33c41c1296b5e4b682ed26fe5ca3b275006 ..................................................................................................................................................................................................................................... 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_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/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 4402e33c41c1296b5e4b682ed26fe5ca3b275006 ................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 12:53:21,769 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:53:21,770 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:53:21,776 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:53:21,776 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:53:21,776 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:53:21,777 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:53:21,778 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:53:21,778 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:53:21,779 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:53:21,779 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:53:21,779 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:53:21,780 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:53:21,780 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:53:21,781 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:53:21,781 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:53:21,782 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:53:21,782 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:53:21,783 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:53:21,784 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:53:21,784 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:53:21,785 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:53:21,786 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:53:21,786 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:53:21,786 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:53:21,787 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:53:21,787 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:53:21,788 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:53:21,788 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:53:21,789 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:53:21,789 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:53:21,789 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:53:21,789 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:53:21,789 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:53:21,790 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:53:21,790 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:53:21,790 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 12:53:21,797 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:53:21,798 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:53:21,798 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:53:21,798 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:53:21,798 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 12:53:21,798 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 12:53:21,799 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 12:53:21,799 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:53:21,799 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:53:21,799 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:53:21,799 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:53:21,799 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:53:21,799 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:53:21,799 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:53:21,799 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:53:21,799 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:53:21,800 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:53:21,800 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 12:53:21,800 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:53:21,800 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:53:21,800 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:53:21,800 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:53:21,800 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:53:21,800 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:53:21,800 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:53:21,800 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:53:21,800 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:53:21,800 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 12:53:21,801 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:53:21,801 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 12:53:21,801 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_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/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 -> 4402e33c41c1296b5e4b682ed26fe5ca3b275006 [2018-12-09 12:53:21,818 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:53:21,828 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:53:21,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:53:21,831 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:53:21,831 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:53:21,832 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i [2018-12-09 12:53:21,866 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/bin-2019/uautomizer/data/957e7470c/c433233552c14727a21cd6af5aac926b/FLAG38f2addef [2018-12-09 12:53:22,142 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:53:22,142 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i [2018-12-09 12:53:22,146 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/bin-2019/uautomizer/data/957e7470c/c433233552c14727a21cd6af5aac926b/FLAG38f2addef [2018-12-09 12:53:22,154 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/bin-2019/uautomizer/data/957e7470c/c433233552c14727a21cd6af5aac926b [2018-12-09 12:53:22,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:53:22,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:53:22,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:53:22,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:53:22,159 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:53:22,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:53:22" (1/1) ... [2018-12-09 12:53:22,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@709ce3e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:22, skipping insertion in model container [2018-12-09 12:53:22,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:53:22" (1/1) ... [2018-12-09 12:53:22,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:53:22,173 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:53:22,256 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:53:22,259 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:53:22,268 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:53:22,276 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:53:22,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:22 WrapperNode [2018-12-09 12:53:22,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:53:22,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:53:22,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:53:22,277 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:53:22,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:22" (1/1) ... [2018-12-09 12:53:22,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:22" (1/1) ... [2018-12-09 12:53:22,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:53:22,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:53:22,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:53:22,289 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:53:22,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:22" (1/1) ... [2018-12-09 12:53:22,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:22" (1/1) ... [2018-12-09 12:53:22,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:22" (1/1) ... [2018-12-09 12:53:22,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:22" (1/1) ... [2018-12-09 12:53:22,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:22" (1/1) ... [2018-12-09 12:53:22,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:22" (1/1) ... [2018-12-09 12:53:22,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:22" (1/1) ... [2018-12-09 12:53:22,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:53:22,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:53:22,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:53:22,300 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:53:22,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/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 [2018-12-09 12:53:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 12:53:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 12:53:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:53:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:53:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 12:53:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 12:53:22,433 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:53:22,433 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 12:53:22,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:53:22 BoogieIcfgContainer [2018-12-09 12:53:22,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:53:22,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:53:22,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:53:22,436 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:53:22,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:53:22" (1/3) ... [2018-12-09 12:53:22,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f6ab0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:53:22, skipping insertion in model container [2018-12-09 12:53:22,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:22" (2/3) ... [2018-12-09 12:53:22,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f6ab0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:53:22, skipping insertion in model container [2018-12-09 12:53:22,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:53:22" (3/3) ... [2018-12-09 12:53:22,438 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_1_false-unreach-call_true-termination.i [2018-12-09 12:53:22,444 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:53:22,448 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 12:53:22,457 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 12:53:22,475 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 12:53:22,475 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:53:22,475 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 12:53:22,475 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:53:22,475 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:53:22,476 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:53:22,476 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:53:22,476 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:53:22,476 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:53:22,486 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-12-09 12:53:22,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 12:53:22,489 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:53:22,489 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:53:22,490 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:53:22,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:53:22,494 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-12-09 12:53:22,495 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:53:22,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:53:22,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:22,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:53:22,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:53:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 12:53:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 12:53:22,558 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 12:53:22,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:53:22 BoogieIcfgContainer [2018-12-09 12:53:22,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 12:53:22,570 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:53:22,571 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:53:22,571 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:53:22,571 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:53:22" (3/4) ... [2018-12-09 12:53:22,573 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 12:53:22,573 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:53:22,574 INFO L168 Benchmark]: Toolchain (without parser) took 418.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -114.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:53:22,575 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:53:22,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 119.79 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:53:22,575 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.78 ms. Allocated memory is still 1.0 GB. Free memory is still 945.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:53:22,576 INFO L168 Benchmark]: Boogie Preprocessor took 11.00 ms. Allocated memory is still 1.0 GB. Free memory is still 945.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:53:22,576 INFO L168 Benchmark]: RCFGBuilder took 133.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-09 12:53:22,576 INFO L168 Benchmark]: TraceAbstraction took 136.27 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:53:22,577 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. [2018-12-09 12:53:22,578 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 119.79 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.2 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 11.78 ms. Allocated memory is still 1.0 GB. Free memory is still 945.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.00 ms. Allocated memory is still 1.0 GB. Free memory is still 945.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 133.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 136.27 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: 10.7 MB). Peak memory consumption was 10.7 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: 14]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 7, overapproximation of someBinaryDOUBLEComparisonOperation at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [IN=0, x=0] [L13] COND TRUE !(result <= 0.99 && result >= -0.99) VAL [IN=0, x=0] [L14] __VERIFIER_error() VAL [IN=0, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 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=13occurred 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, 7 NumberOfCodeBlocks, 7 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 [2018-12-09 12:53:23,906 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:53:23,907 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:53:23,913 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:53:23,913 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:53:23,913 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:53:23,914 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:53:23,915 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:53:23,916 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:53:23,916 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:53:23,916 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:53:23,917 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:53:23,917 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:53:23,917 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:53:23,918 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:53:23,918 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:53:23,919 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:53:23,919 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:53:23,920 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:53:23,921 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:53:23,922 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:53:23,922 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:53:23,923 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:53:23,923 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:53:23,923 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:53:23,924 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:53:23,924 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:53:23,925 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:53:23,925 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:53:23,926 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:53:23,926 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:53:23,926 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:53:23,926 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:53:23,926 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:53:23,927 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:53:23,927 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:53:23,927 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-09 12:53:23,934 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:53:23,935 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:53:23,935 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:53:23,935 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:53:23,936 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 12:53:23,936 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 12:53:23,936 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 12:53:23,936 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:53:23,936 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:53:23,936 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:53:23,936 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:53:23,936 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:53:23,936 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:53:23,936 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:53:23,937 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 12:53:23,937 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 12:53:23,937 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:53:23,937 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:53:23,937 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 12:53:23,937 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:53:23,937 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:53:23,937 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:53:23,937 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:53:23,937 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:53:23,937 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:53:23,938 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:53:23,938 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:53:23,938 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:53:23,938 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-09 12:53:23,938 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:53:23,938 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 12:53:23,938 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 12:53:23,938 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_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/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 -> 4402e33c41c1296b5e4b682ed26fe5ca3b275006 [2018-12-09 12:53:23,955 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:53:23,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:53:23,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:53:23,965 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:53:23,965 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:53:23,966 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i [2018-12-09 12:53:24,003 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/bin-2019/uautomizer/data/b4892e3a8/e224f28b57634c48b84742d63a17c17b/FLAG822645402 [2018-12-09 12:53:24,354 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:53:24,354 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i [2018-12-09 12:53:24,358 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/bin-2019/uautomizer/data/b4892e3a8/e224f28b57634c48b84742d63a17c17b/FLAG822645402 [2018-12-09 12:53:24,738 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/bin-2019/uautomizer/data/b4892e3a8/e224f28b57634c48b84742d63a17c17b [2018-12-09 12:53:24,740 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:53:24,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:53:24,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:53:24,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:53:24,745 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:53:24,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:53:24" (1/1) ... [2018-12-09 12:53:24,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bf7d3b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:24, skipping insertion in model container [2018-12-09 12:53:24,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:53:24" (1/1) ... [2018-12-09 12:53:24,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:53:24,764 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:53:24,850 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:53:24,854 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:53:24,864 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:53:24,873 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:53:24,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:24 WrapperNode [2018-12-09 12:53:24,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:53:24,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:53:24,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:53:24,874 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:53:24,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:24" (1/1) ... [2018-12-09 12:53:24,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:24" (1/1) ... [2018-12-09 12:53:24,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:53:24,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:53:24,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:53:24,887 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:53:24,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:24" (1/1) ... [2018-12-09 12:53:24,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:24" (1/1) ... [2018-12-09 12:53:24,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:24" (1/1) ... [2018-12-09 12:53:24,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:24" (1/1) ... [2018-12-09 12:53:24,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:24" (1/1) ... [2018-12-09 12:53:24,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:24" (1/1) ... [2018-12-09 12:53:24,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:24" (1/1) ... [2018-12-09 12:53:24,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:53:24,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:53:24,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:53:24,901 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:53:24,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/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 [2018-12-09 12:53:24,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 12:53:24,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 12:53:24,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:53:24,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:53:24,964 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 12:53:24,965 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 12:53:27,600 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:53:27,601 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 12:53:27,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:53:27 BoogieIcfgContainer [2018-12-09 12:53:27,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:53:27,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:53:27,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:53:27,603 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:53:27,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:53:24" (1/3) ... [2018-12-09 12:53:27,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7afb4979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:53:27, skipping insertion in model container [2018-12-09 12:53:27,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:24" (2/3) ... [2018-12-09 12:53:27,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7afb4979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:53:27, skipping insertion in model container [2018-12-09 12:53:27,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:53:27" (3/3) ... [2018-12-09 12:53:27,606 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_1_false-unreach-call_true-termination.i [2018-12-09 12:53:27,611 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:53:27,615 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 12:53:27,623 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 12:53:27,640 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 12:53:27,640 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:53:27,640 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 12:53:27,640 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:53:27,640 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:53:27,641 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:53:27,641 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:53:27,641 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:53:27,641 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:53:27,650 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-12-09 12:53:27,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 12:53:27,654 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:53:27,654 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:53:27,655 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:53:27,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:53:27,659 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-12-09 12:53:27,661 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:53:27,661 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/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 [2018-12-09 12:53:27,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:53:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 12:56:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 12:56:33,678 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 12:56:33,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:56:33 BoogieIcfgContainer [2018-12-09 12:56:33,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 12:56:33,695 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:56:33,695 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:56:33,695 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:56:33,695 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:53:27" (3/4) ... [2018-12-09 12:56:33,696 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 12:56:33,721 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ebb9ecd6-3920-43ea-828a-08bb13d1ded5/bin-2019/uautomizer/witness.graphml [2018-12-09 12:56:33,721 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:56:33,722 INFO L168 Benchmark]: Toolchain (without parser) took 188981.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -136.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:56:33,722 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. [2018-12-09 12:56:33,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 131.31 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:56:33,723 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.53 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. [2018-12-09 12:56:33,723 INFO L168 Benchmark]: Boogie Preprocessor took 13.81 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. [2018-12-09 12:56:33,724 INFO L168 Benchmark]: RCFGBuilder took 2699.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -171.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:56:33,724 INFO L168 Benchmark]: TraceAbstraction took 186092.80 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: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-09 12:56:33,724 INFO L168 Benchmark]: Witness Printer took 26.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-09 12:56:33,726 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 131.31 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.53 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 13.81 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 2699.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -171.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 186092.80 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: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Witness Printer took 26.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 14]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [IN=-1.4954726696014404, result=-1.0037016868591309, x=-1.4954726696014404] [L13] COND TRUE !(result <= 0.99 && result >= -0.99) VAL [IN=-1.4954726696014404, result=-1.0037016868591309, x=-1.4954726696014404] [L14] __VERIFIER_error() VAL [IN=-1.4954726696014404, result=-1.0037016868591309, x=-1.4954726696014404] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. UNSAFE Result, 186.0s 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=13occurred 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, 2.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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 proved your program to be incorrect! Received shutdown request...